CN107914728B - The front end energy absorption device of railcar - Google Patents
The front end energy absorption device of railcar Download PDFInfo
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- CN107914728B CN107914728B CN201711120230.1A CN201711120230A CN107914728B CN 107914728 B CN107914728 B CN 107914728B CN 201711120230 A CN201711120230 A CN 201711120230A CN 107914728 B CN107914728 B CN 107914728B
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- anticreeper
- fixed
- aluminum honeycomb
- sliding slot
- energy
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Classifications
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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
- 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
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
- B61D15/06—Buffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/06—End walls
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Vibration Dampers (AREA)
Abstract
The front end energy absorption device of railcar belongs to the anti-collision energy absorption device field at rail vehicle head Chinese herbaceous peony end comprising movable anticreeper, fixed anticreeper, energy-absorbing aluminum honeycomb, two conquassation pipes, two split type sliding slot compositions, two regression directive slide tracks and two movable anticreeper stay bolts.Energy-absorbing aluminum honeycomb of the invention is as the first order power-absorbing in overall structure of the present invention, its directly bear by movable anticreeper transmit Lai collision impact, by the compressive deformation of energy-absorbing aluminum honeycomb itself, energy and heat in deformation are converted by impact kinetic energy, to realize energy-absorbing buffering；Two conquassation Guan Ze will be used as second level energy-absorbing buffer device, further absorb collision energy, to realize the further buffer protection to vehicle body bottom frame, and when ensuring to collide generation, Impact energy can be according to previously given direction and sequence, by it is multistage, sequentially in the way of sequentially-operating, guarantee the reliability of energy absorption device movement.
Description
Technical field
The invention belongs to the anti-collision energy absorption device fields at rail vehicle head Chinese herbaceous peony end, and in particular to before a kind of railcar
Hold energy absorption device.
Background technique
The head Chinese herbaceous peony end of rail vehicle, is typically provided with anti-collision energy absorption device, the existing railcar with energy absorption device,
Its energy absorption device is usually all made of the structure type of vehicle body bottom frame structure Yu energy absorption device integrated design, which will inhale
An intrinsic component part of the energy device as vehicle body bottom frame, when collision is freeed in train front end, the energy absorption device of car body is connected to
Vehicle body bottom frame bears to hit charge together, and is absorbed as deforming interior energy.But simultaneously, also imply that vehicle body bottom frame and energy-absorbing dress
The structure set is by irreversible deformation and failure, even if vehicle body bottom frame also no longer has replacement can under low speed collision
Maintainability results in overhaul compared with slight impact or scraps, therefore, the old vehicle body bottom frame structure and energy absorption device one
The structure type for changing design can no longer meet train buying user to vehicle safety and maintainable new demand.
To make railcar after collision occurs, especially after generation low speed collision, it is unlikely to directly to scrap or must be into
Row overhaul, urgent need, which researches and develops one kind, has multistage energy-absorbing function, and under the premise of vehicle body bottom frame is not hit deformation, the first order
Energy absorption device it is readily replaceable or maintenance new type train front end energy absorption device, to meet the requirement of user.
Summary of the invention
Vehicle body bottom frame structure and energy absorption device one are usually all made of in order to solve the front end energy absorption device of existing railcar
Bodyization design, energy absorption device is not divided into multistage, and the integral structure of its chassis and energy absorption device cannot fill front end energy-absorbing
It sets the technical issues of being individually replaced, the present invention provides a kind of front end energy absorption device of railcar.
The technical solution adopted for solving the technical problem of the present invention is as follows:
The front end energy absorption device of railcar comprising movable anticreeper, fixed anticreeper, energy-absorbing aluminum honeycomb, two pressures
Routed pipe, two split type sliding slots compositions, two regression directive slide tracks and two movable anticreeper stay bolts, the fixed anticreeper
Middle section be equipped with the aluminum honeycomb of front opening and accommodate inner cavity, the aluminum honeycomb that energy-absorbing aluminum honeycomb is embedded in fixed anticreeper accommodates inner cavity
In, the front end of the rear end of movable anticreeper and fixed anticreeper is connected by two movable anticreeper stay bolts, movable anticreeper
Aluminum honeycomb of the rear end by energy-absorbing aluminum honeycomb seal in fixed anticreeper accommodate in inner cavity；Two conquassation pipes are vertically fixed on
Determine the rear end of anticreeper；Two split type sliding slot compositions are symmetrically fixed on the lateral wall at the left and right both ends of fixed anticreeper；Two
A regression directive slide track parallel arrangement is in the left and right both ends of fixed anticreeper, and each regression directive slide track is corresponding with one
Split type sliding slot composition be slidably connected.
The activity anticreeper includes that three movable anticreeper side plates, two movable anticreeper cant boards and activity are anti-
Climb vertical plate in the middle part of device, three movable anticreeper side plates are parallel to each other, the left and right both ends of each activity anticreeper side plate with
One corresponding movable anticreeper cant board welding is connected, and five collectively form a first energy-absorbing cabinet；The activity is anti-
The middle section for climbing the middle line of device side plate is equipped with rectangular straight slot, and vertical plate sequentially passes through three movable anticreepers in the middle part of movable anticreeper
Plate respective rectangular straight slot in side is simultaneously welded connected with its three.
The fixed anticreeper includes the fixed anticreeper anticollision cabinet in left side, right side fixed anticreeper anticollision cabinet, aluminium bee
Nest accommodates intracavity posterior end beam, aluminum honeycomb accommodates inner cavity upper cover plate, aluminum honeycomb accommodates inner cavity lower cover plate and two sliding slot fixing seats；Institute
State aluminum honeycomb receiving intracavity posterior end beam, anticreeper anticollision cabinet is fixed in left side and the inside of the fixed anticreeper anticollision cabinet in right side is equal
Equipped with muti-piece along the stiffener plate of car body longitudinal direction；The fixed anticreeper anticollision cabinet of the fixed anticreeper anticollision cabinet in left side and right side is mutual
For mirror-image structure, the rear portion of the two opposing sidewalls accommodates intracavity posterior end beam by aluminum honeycomb and is connected；Aluminum honeycomb accommodates under inner cavity
The left and right both ends of cover board are opposite with the fixed anticreeper anticollision cabinet in left side and the fixed the two of anticreeper anticollision cabinet in right side respectively
The lower edge of side wall welds, and the rear end support aluminum honeycomb that aluminum honeycomb accommodates inner cavity lower cover plate accommodates the lower end of intracavity posterior end beam,
The two welding is connected；Anticreeper anticollision cabinet and the right side are fixed with left side respectively in the left and right both ends that aluminum honeycomb accommodates inner cavity upper cover plate
The top edge welding of the two opposing sidewalls of the fixed anticreeper anticollision cabinet in side, aluminum honeycomb accommodate the rear end support of inner cavity upper cover plate
Aluminum honeycomb accommodates the upper end of intracavity posterior end beam, and the two welding is connected；The front end of conquassation pipe is vertically fixed in aluminum honeycomb receiving
The rear end face of cavity rear end beam.
The energy-absorbing aluminum honeycomb accommodates inner cavity in the aluminum honeycomb of fixed anticreeper by the back-end sealing of fixed anticreeper completely
Interior, the front end of fixed anticreeper then accommodates inner cavity from aluminum honeycomb and stretches out, the length stretched out be itself overall length angle value three/
One.
The activity anticreeper, fixed anticreeper, energy-absorbing aluminum honeycomb and the impact resistance intensity sequence for being crushed pipe are as follows: fixed anti-
Climb device > activity anticreeper > conquassation pipe > energy-absorbing aluminum honeycomb.
The split type sliding slot composition connects bolt, the cunning with multiple sliding slots including sliding slot female die, sliding slot upper mold section
Slot female die includes female die sliding slot and female die interface, and female die interface is equipped with multiple tapped blind holes, and female die is sliding
Slot is the single order step structure at right angle, and the rear wall of sliding slot female die is solid with the fixed anticreeper anticollision cabinet in left side or right side respectively
The sidewall weld lateral out for determining anticreeper anticollision cabinet is connected；The bottom surface of female die interface is solid with the welding of sliding slot fixing seat respectively
Even；The sliding slot upper mold section includes upper mold section sliding slot and upper mold section interface, and upper mold section interface is equipped with multiple tapped blind holes,
Upper mold section sliding slot is the single order step structure at right angle；Upper mold section interface is equipped with multiple tapped through holes；The upper mold section docking
Face and female die interface are closely connected each other, and sliding slot connection bolt is each passed through a corresponding screw thread on upper mold section interface
Through-hole, and be threadedly coupled with a corresponding tapped blind hole on female die interface；The single order step of the upper mold section sliding slot
Structure constitutes the half of the bottom surface of sliding slot and a side wall of sliding slot；The single order step structure of female die sliding slot constitutes aforementioned cunning
The other half of groove bottom and another side wall of the sliding slot, the two are combined into form a complete sliding slot knot jointly
Structure；The boss rail level of the regression directive slide track is embedded in the inside of the sliding groove structure from horizontal direction, and is slidably connected with it.
The beneficial effects of the present invention are: energy-absorbing aluminum honeycomb of the invention is then sealed in fixed anticreeper by movable anticreeper
Aluminum honeycomb accommodates in inner cavity, and movable anticreeper is then by way of latter half of insertion aluminum honeycomb accommodating chamber, is fixed on and fixed prevents
Climb the front end of device.When the energy absorption device for being arranged in Metro Head Car front end is hit by more slight foreign matter, foreign matter is hit
It takes the lead in contacting with fixed anticreeper, fixed anticreeper self structure intensity is higher, can't deform because of shock, therefore
Impact energy can not be largely absorbed, only collision energy is transmitted in the first order energy-absorbing aluminum honeycomb at its rear.Energy-absorbing
Aluminum honeycomb as the first order power-absorbing in overall structure of the present invention, directly bear to be transmitted by movable anticreeper Lai collision
Impact force converts energy and heat in deformation for impact kinetic energy, to realize suction by the compressive deformation of energy-absorbing aluminum honeycomb itself
It can buffering.Fixed anticreeper is the primary load bearing structure in entire energy absorption device, accommodates energy-absorbing aluminum honeycomb and provides for it and determines
To support, the front end that aluminum honeycomb accommodates inner cavity does not set end cap, facilitates the replacement and maintenance of energy-absorbing aluminum honeycomb.Meanwhile it is fixed anti-
It climbs device and a part of impact kinetic energy is also transferred to the two conquassation pipe for being arranged in its rear end backward, when collision impact is very strong
When movement threshold value that is big and being more than conquassation pipe, then two conquassation Guan Ze will be used as second level energy-absorbing buffer device, and start to synchronize
Conquassation dampening action to realize to the further buffer protection of vehicle body bottom frame, and ensured with further absorbing collision energy
When collision occurs, Impact energy can according to previously given direction and sequence, by it is multistage, sequentially in the way of sequentially-operating, protect
Demonstrate,prove the reliability of energy absorption device movement.Two regression directive slide tracks and two movable fixed anti-creeps of anticreeper stay bolt common guarantee
Device is synchronous to two conquassation pipes and carries out backward along the longitudinal direction of car body, thus avoid one of conquassation pipe because of stress not
Synchronous and generation bending and failure.
The device also makes the accurate of vehicle energy-absorbing by using the split type new design of power-absorbing and body construction
Property greatly improve, and can largely mitigate and purchase automobile-used family to the maintenance cost of energy absorption device.
In addition, the front end energy absorption device of railcar of the invention also have it is simple and practical in structure, it is easy to operate, it is at low cost
It is honest and clean, the advantages that convenient for popularizing.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the front end energy absorption device of railcar of the present invention；
Fig. 2 is the configuration schematic diagram of Fig. 1；
Fig. 3 is explosive view of the front end energy absorption device of railcar of the present invention under another perspective view；
Fig. 4 is the schematic perspective view of movable anticreeper of the invention；
Fig. 5 is the schematic perspective view of the fixed anticreeper of the present invention；
The configuration schematic diagram of the split type sliding slot composition of Fig. 6 present invention.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawing.
As shown in Figures 1 to 6, the front end energy absorption device of railcar of the invention includes movable anticreeper 1, fixed anti-creep
Device 2, the split type sliding slot of conquassation pipe 4, two of energy-absorbing aluminum honeycomb 3, two form 5, two regression directive slide tracks 6 and two activities are anti-
Device stay bolt 7 is climbed, the aluminum honeycomb that the middle section of the fixed anticreeper 2 is equipped with front opening accommodates inner cavity, and energy-absorbing aluminum honeycomb 3 is embedded in
The aluminum honeycomb of fixed anticreeper 2 accommodates in inner cavity, and the front end of the rear end of movable anticreeper 1 and fixed anticreeper 2 passes through two work
Dynamic anticreeper stay bolt 7 is connected, and the rear end of movable anticreeper 1 holds the aluminum honeycomb that energy-absorbing aluminum honeycomb 3 is sealed in fixed anticreeper 2
It receives in inner cavity；Two conquassation pipes 4 are vertically fixed on the rear end of fixed anticreeper 2；Two split type sliding slot compositions 5 are symmetrically solid
It is connected on the lateral wall at the left and right both ends of fixed anticreeper 2；Two parallel arrangements of regression directive slide track 6 are in fixed anticreeper 2
Left and right both ends, and each regression directive slide track 6 split type sliding slot composition 5 corresponding with one is slidably connected.
The activity anticreeper 1 include three movable anticreeper side plate 1-1, two activity anticreeper cant board 1-2 and
Vertical plate 1-3 in the middle part of movable anticreeper, three movable anticreeper side plate 1-1 are parallel to each other, each activity anticreeper side plate 1-1
Activity anticreeper cant board 1-2 corresponding with one welding of left and right both ends be connected, five collectively form one first suction
It can cabinet；The middle section of the middle line of the activity anticreeper side plate 1-1 is equipped with rectangular straight slot 1-1-1, movable anticreeper middle part
Vertical plate 1-3 sequentially passes through the respective rectangular straight slot 1-1-1 of three activity anticreeper side plate 1-1 and welds with its three solid
Even.
The fixed anticreeper 2 includes the fixed anticreeper anticollision cabinet 2-1 in left side, the fixed anticreeper anticollision cabinet 2- in right side
2, aluminum honeycomb accommodates intracavity posterior end beam 2-3, aluminum honeycomb accommodates inner cavity upper cover plate 2-4, aluminum honeycomb accommodates inner cavity lower cover plate 2-5 and two
A sliding slot fixing seat 2-6；It is solid that the aluminum honeycomb accommodates intracavity posterior end beam 2-3, the fixed anticreeper anticollision cabinet 2-1 in left side and right side
The inside for determining anticreeper anticollision cabinet 2-2 is equipped with muti-piece along the stiffener plate of car body longitudinal direction；Anticreeper anticollision box is fixed in left side
Mirror-image structure, the rear portion of the two opposing sidewalls are held the body 2-1 and fixed anticreeper anticollision cabinet 2-2 in right side by aluminum honeycomb each other
The intracavity posterior end beam 2-3 that receives is connected；The left and right both ends that aluminum honeycomb accommodates inner cavity lower cover plate 2-5 are anti-with the fixed anticreeper in left side respectively
The lower edge welding of the two opposing sidewalls of cabinet 2-1 and the fixed anticreeper anticollision cabinet 2-2 in right side is hit, aluminum honeycomb accommodates inner cavity
The rear end support aluminum honeycomb of lower cover plate 2-5 accommodates the lower end of intracavity posterior end beam 2-3, and the two welding is connected；In aluminum honeycomb accommodates
Anticreeper anticollision cabinet is fixed with the fixed anticreeper anticollision cabinet 2-1 in left side and right side respectively in the left and right both ends of chamber upper cover plate 2-4
The top edge of the two opposing sidewalls of 2-2 is welded, and the rear end support aluminum honeycomb that aluminum honeycomb accommodates inner cavity upper cover plate 2-4 accommodates inner cavity
The upper end of back end beam 2-3, the two welding are connected；The front end of conquassation pipe 4 is vertically fixed on aluminum honeycomb and accommodates intracavity posterior end beam 2-3
Rear end face.
The energy-absorbing aluminum honeycomb 3 is completely by the back-end sealing of fixed anticreeper 2 in the aluminum honeycomb of fixed anticreeper 2 accommodates
Intracavitary, the front end of fixed anticreeper 2 then accommodates inner cavity from aluminum honeycomb and stretches out, and the length stretched out is three points of itself overall length angle value
One of.
The activity anticreeper 1, fixed anticreeper 2, energy-absorbing aluminum honeycomb 3 and the impact resistance intensity sequence for being crushed pipe 4 are as follows: Gu
Determine 2 > activity anticreeper of anticreeper, 1 > conquassation 4 > energy-absorbing aluminum honeycomb 3 of pipe.
The split type sliding slot composition 5 connects bolt with multiple sliding slots including sliding slot female die 5-1, sliding slot upper mold section 5-2
5-3, the sliding slot female die 5-1 include female die sliding slot 5-1-1 and female die interface 5-1-2, female die interface 5-1-2
Multiple tapped blind holes are equipped with, female die sliding slot 5-1-1 is the single order step structure at right angle, the rear wall of sliding slot female die 5-1
It is solid with the sidewall weld lateral out of the fixed anticreeper anticollision cabinet 2-1 in left side or the fixed anticreeper anticollision cabinet 2-2 in right side respectively
Even；The bottom surface of female die interface 5-1-2 is connected with sliding slot fixing seat 2-6 welding respectively；The sliding slot upper mold section 5-2 includes upper
Half module sliding slot 5-2-1 and upper mold section interface 5-2-2, upper mold section interface 5-2-2 are equipped with multiple tapped blind holes, and upper mold section is sliding
Slot 5-2-1 is the single order step structure at right angle；Upper mold section interface 5-2-2 is equipped with multiple tapped through holes；The upper mold section pair
Junction 5-2-2 and female die interface 5-1-2 are closely connected each other, and sliding slot connection bolt 5-3 is each passed through upper mold section interface 5-
A corresponding tapped through hole on 2-2, and connect with a corresponding tapped blind hole screw thread on female die interface 5-1-2
It connects；The single order step structure of the upper mold section sliding slot 5-2-1 constitutes the half of the bottom surface of sliding slot and a side wall of sliding slot；Under
The single order step structure of half module sliding slot 5-1-1 constitutes the other half of aforementioned sliding slot bottom surface and another side of the sliding slot
Wall, the two are combined into form a complete sliding groove structure jointly；The boss rail level of the regression directive slide track 6 is from horizontal direction
It is embedded in the inside of the sliding groove structure, and is slidably connected with it.
When the front end energy absorption device of concrete application railcar of the invention, by the rear end of two regression directive slide tracks 6 with
And the rear end of two conquassation pipes 4 is connected with the welding of underframe of car body respectively, and by energy-absorbing aluminum honeycomb 3 in its internal cellular shape
Chamber accommodates in inner cavity towards the aluminum honeycomb that the posture of the longitudinal direction of car body is inserted into fixed anticreeper 2, hereafter, activity is anti-
The rear end for climbing device 1 is also inserted into the aluminum honeycomb receiving inner cavity of fixed anticreeper 2, and energy-absorbing aluminum honeycomb 3 is sealed in fixed anticreeper 2
Aluminum honeycomb accommodate in inner cavity, finally, make respectively two movable anticreeper stay bolts 7 pass through movable anticreeper 1 rear end pair
Screw hole is answered, and it is made to be connected with the corresponding screw hole of fixed 2 front end of anticreeper, that is, the front end for completing railcar of the invention is inhaled
It can device installation.Movable anticreeper 1 of the invention, fixed anticreeper 2 select A588 type High-Strength Low-Alloy carbon sheet；It inhales
The 5A05 type rust-preventing aluminum alloy that energy aluminum honeycomb 3 selects Zhong Che Qingdao SiFang Vehicle Research Institute Co., Ltd to provide, conquassation pipe are selected
The S550MC type structural steel that Zhong Che Qingdao SiFang Vehicle Research Institute Co., Ltd provides.
Claims (6)
1. the front end energy absorption device of railcar, it is characterised in that: the device includes movable anticreeper (1), fixed anticreeper
(2), energy-absorbing aluminum honeycomb (3), two conquassation pipes (4), two split type sliding slots form (5), two regression directive slide tracks (6) and two
A activity anticreeper stay bolt (7), the aluminum honeycomb that the middle section of the fixed anticreeper (2) is equipped with front opening accommodate inner cavity, inhale
Can aluminum honeycomb (3) be embedded in the aluminum honeycomb of fixed anticreeper (2) and accommodate in inner cavity, the rear end of movable anticreeper (1) and fixed anti-creep
The front end of device (2) is connected by two movable anticreeper stay bolts (7), and the rear end of movable anticreeper (1) is by energy-absorbing aluminum honeycomb (3)
The aluminum honeycomb for being sealed in fixed anticreeper (2) accommodates in inner cavity；Two conquassation pipes (4) are vertically fixed on fixed anticreeper (2)
Rear end；Two split type sliding slot compositions (5) are symmetrically fixed on the lateral wall at fixed anticreeper (2) left and right both ends；Two
Regression directive slide track (6) parallel arrangement is in the left and right both ends of fixed anticreeper (2), and each regression directive slide track (6) is with one
A corresponding split type sliding slot composition (5) is slidably connected.
2. the front end energy absorption device of railcar as described in claim 1, it is characterised in that: the activity anticreeper (1) is wrapped
Include three movable anticreeper side plates (1-1), two movable anticreeper cant boards (1-2) and movable anticreeper middle part vertical plate (1-
3), three movable anticreeper side plates (1-1) are parallel to each other, the left and right both ends of each activity anticreeper side plate (1-1) with
One corresponding movable anticreeper cant board (1-2) welds and is connected, and five collectively form a first energy-absorbing cabinet；The work
The middle section of the middle line of dynamic anticreeper side plate (1-1) is equipped with rectangular straight slot (1-1-1), vertical plate (1-3) in the middle part of movable anticreeper
It sequentially passes through three movable anticreeper side plate (1-1) respective rectangular straight slot (1-1-1) and is welded with its three and is connected.
3. the front end energy absorption device of railcar as described in claim 1, it is characterised in that: fixed anticreeper (2) packet
Include left side fixed anticreeper anticollision cabinet (2-1), right side fixed anticreeper anticollision cabinet (2-2), aluminum honeycomb receiving intracavity posterior end
Beam (2-3), aluminum honeycomb accommodate inner cavity upper cover plate (2-4), aluminum honeycomb accommodates inner cavity lower cover plate (2-5) and two sliding slot fixing seats
(2-6)；The aluminum honeycomb accommodates intracavity posterior end beam (2-3), the fixed anti-creep of left side fixed anticreeper anticollision cabinet (2-1) and right side
The inside of device anticollision cabinet (2-2) is equipped with muti-piece along the stiffener plate of car body longitudinal direction；Anticreeper anticollision cabinet (2- is fixed in left side
1) and anticreeper anticollision cabinet (2-2) mirror-image structure each other is fixed on right side, and the rear portion of the two opposing sidewalls passes through aluminum honeycomb and holds
Na Neiqianghouduanliang (2-3) is connected；Anti-creep is fixed with left side respectively in the left and right both ends that aluminum honeycomb accommodates inner cavity lower cover plate (2-5)
The lower edge welding of the two opposing sidewalls of device anticollision cabinet (2-1) and right side fixed anticreeper anticollision cabinet (2-2), aluminum honeycomb
The rear end support aluminum honeycomb for accommodating inner cavity lower cover plate (2-5) accommodates the lower end of intracavity posterior end beam (2-3), and the two welding is connected；
The left and right both ends that aluminum honeycomb accommodates inner cavity upper cover plate (2-4) are solid with left side fixed anticreeper anticollision cabinet (2-1) and right side respectively
The top edge welding for determining the two opposing sidewalls of anticreeper anticollision cabinet (2-2), after aluminum honeycomb accommodates inner cavity upper cover plate (2-4)
End support aluminum honeycomb accommodates the upper end of intracavity posterior end beam (2-3), and the two welding is connected；The front end of conquassation pipe (4) is vertically connected
The rear end face of intracavity posterior end beam (2-3) is accommodated in aluminum honeycomb.
4. the front end energy absorption device of the railcar as described in claims 1 or 2 or 3, it is characterised in that: the energy-absorbing aluminum honeycomb
(3) completely intracavitary in the aluminum honeycomb of fixed anticreeper (2) accommodates by the back-end sealing of fixed anticreeper (2), fix anticreeper
(2) front end then accommodates inner cavity from aluminum honeycomb and stretches out, and the length stretched out is the one third of itself overall length angle value.
5. the front end energy absorption device of the railcar as described in claims 1 or 2 or 3, it is characterised in that: the activity anticreeper
(1), the impact resistance intensity sequence of (4) is managed in fixed anticreeper (2), energy-absorbing aluminum honeycomb (3) and conquassation are as follows: fixed anticreeper (2) >
Movable anticreeper (1) > conquassation pipe (4) > energy-absorbing aluminum honeycomb (3).
6. the front end energy absorption device of railcar as described in claim 1, it is characterised in that: the split type sliding slot composition
It (5) include that sliding slot female die (5-1), sliding slot upper mold section (5-2) connect bolt (5-3) with multiple sliding slots, the sliding slot female die
(5-1) includes female die sliding slot (5-1-1) and female die interface (5-1-2), and female die interface (5-1-2) is equipped with multiple
Tapped blind hole, female die sliding slot (5-1-1) be right angle single order step structure, the rear wall of sliding slot female die (5-1) respectively with
The sidewall weld lateral out of left side fixed anticreeper anticollision cabinet (2-1) or right side fixed anticreeper anticollision cabinet (2-2) are connected；
The bottom surface of female die interface (5-1-2) is connected with sliding slot fixing seat (2-6) welding respectively；Sliding slot upper mold section (5-2) packet
Upper mold section sliding slot (5-2-1) and upper mold section interface (5-2-2) are included, it is blind that upper mold section interface (5-2-2) is equipped with multiple screw threads
Hole, upper mold section sliding slot (5-2-1) are the single order step structure at right angle；Upper mold section interface (5-2-2) is logical equipped with multiple screw threads
Hole；The upper mold section interface (5-2-2) and female die interface (5-1-2) are closely connected each other, and sliding slot connects bolt (5-3) and divides equally
Not Chuan Guo a corresponding tapped through hole on upper mold section interface (5-2-2), and with one on female die interface (5-1-2)
A corresponding tapped blind hole is threadedly coupled；The single order step structure of the upper mold section sliding slot (5-2-1) constitutes the bottom surface of sliding slot
One side wall of half and sliding slot；In addition the single order step structure of female die sliding slot (5-1-1) constitutes aforementioned sliding slot bottom surface
Another of half and the sliding slot side wall, the two are combined into form a complete sliding groove structure jointly；The regression is led
It is embedded in the inside of the sliding groove structure from horizontal direction to the boss rail level of sliding rail (6), and is slidably connected with it.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711120230.1A CN107914728B (en) | 2017-11-14 | 2017-11-14 | The front end energy absorption device of railcar |
| US16/477,819 US20200122752A1 (en) | 2017-11-14 | 2018-11-13 | Energy absorbing device for subway vehicle |
| PCT/CN2018/115153 WO2019096109A1 (en) | 2017-11-14 | 2018-11-13 | Energy absorbing device for subway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711120230.1A CN107914728B (en) | 2017-11-14 | 2017-11-14 | The front end energy absorption device of railcar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107914728A CN107914728A (en) | 2018-04-17 |
| CN107914728B true CN107914728B (en) | 2019-10-01 |
Family
ID=61896159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711120230.1A Active CN107914728B (en) | 2017-11-14 | 2017-11-14 | The front end energy absorption device of railcar |
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| Country | Link |
|---|---|
| US (1) | US20200122752A1 (en) |
| CN (1) | CN107914728B (en) |
| WO (1) | WO2019096109A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107914728B (en) * | 2017-11-14 | 2019-10-01 | 中车长春轨道客车股份有限公司 | The front end energy absorption device of railcar |
| CN112298256A (en) * | 2019-07-26 | 2021-02-02 | 中车长春轨道客车股份有限公司 | Vehicle anti-climbing energy-absorbing device |
| CN110466557A (en) * | 2019-08-21 | 2019-11-19 | 中车长春轨道客车股份有限公司 | A kind of multistage honeycomb energy-absorbing anti-creeper with outer guiding |
| CN112744252B (en) * | 2019-10-31 | 2022-07-01 | 中车唐山机车车辆有限公司 | Vehicle front end energy-absorbing device and vehicle |
| JP7383503B2 (en) | 2020-01-17 | 2023-11-20 | 日本車輌製造株式会社 | Railroad vehicle obstruction device |
| CN112109758B (en) * | 2020-09-16 | 2021-10-26 | 中车株洲电力机车有限公司 | Rail vehicle anti-collision system and method |
| CN112124605A (en) * | 2020-09-23 | 2020-12-25 | 上海交通大学 | Inward-turning composite material tubular efficient energy absorber containing filler |
| CN112249517A (en) * | 2020-10-26 | 2021-01-22 | 中车眉山车辆有限公司 | Detachable movable end wall |
| CN113619632B (en) * | 2021-08-16 | 2024-03-08 | 中车长春轨道客车股份有限公司 | Light-weight compact type light rail vehicle anti-climbing energy-absorbing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3744835A (en) * | 1971-11-26 | 1973-07-10 | A Carbone | Shock absorbing honeycomb bumper |
| US3888531A (en) * | 1973-03-21 | 1975-06-10 | Straza Enterprises Ltd | Frangible shock absorbing bumper |
| FR2765543B1 (en) * | 1997-07-02 | 2005-01-07 | Alstom Ddf | RAILWAY VEHICLE COMPRISING AT LEAST ONE INTERCHANGEABLE END MODULE |
| JP4712604B2 (en) * | 2006-05-10 | 2011-06-29 | 株式会社日立製作所 | Transport equipment |
| JP2009262839A (en) * | 2008-04-28 | 2009-11-12 | Hitachi Ltd | Impact absorbing structure |
| CN102267472A (en) * | 2011-05-10 | 2011-12-07 | 上海磁浮交通发展有限公司 | Energy-absorbing and impact-preventing device for high-speed maglev train |
| CN102514588A (en) * | 2011-12-16 | 2012-06-27 | 唐山轨道客车有限责任公司 | Troubleshooting and energy absorbing device and leading car of motor train unit |
| CN103101553B (en) * | 2013-03-06 | 2015-04-22 | 南车南京浦镇车辆有限公司 | Front-end train assembly with anti-creeping energy-absorbing device |
| CN103625502B (en) * | 2013-10-18 | 2016-05-25 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle front end energy absorption device |
| JP6200581B2 (en) * | 2014-04-10 | 2017-09-20 | 株式会社日立製作所 | Exhaust device and railcar equipped with the exhaust device |
| CN106004917B (en) * | 2016-05-13 | 2018-06-29 | 北京交通大学 | A kind of multistage collision energy-absorbing pilot |
| CN105966417B (en) * | 2016-07-14 | 2018-03-20 | 中南大学 | Guide type anti-climbing energy-absorbing device used for rail vehicle and the rail vehicle with the device |
| CN106218660A (en) * | 2016-08-25 | 2016-12-14 | 中车南京浦镇车辆有限公司 | A kind of front end buffer unit for tramcar |
| 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 |
| CN107914728B (en) * | 2017-11-14 | 2019-10-01 | 中车长春轨道客车股份有限公司 | The front end energy absorption device of railcar |
-
2017
- 2017-11-14 CN CN201711120230.1A patent/CN107914728B/en active Active
-
2018
- 2018-11-13 WO PCT/CN2018/115153 patent/WO2019096109A1/en active Application Filing
- 2018-11-13 US US16/477,819 patent/US20200122752A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019096109A1 (en) | 2019-05-23 |
| CN107914728A (en) | 2018-04-17 |
| US20200122752A1 (en) | 2020-04-23 |
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