CN108001480A - Combined type is kept off a car energy absorber - Google Patents
Combined type is kept off a car energy absorber Download PDFInfo
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- CN108001480A CN108001480A CN201710476243.6A CN201710476243A CN108001480A CN 108001480 A CN108001480 A CN 108001480A CN 201710476243 A CN201710476243 A CN 201710476243A CN 108001480 A CN108001480 A CN 108001480A
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- car
- energy
- buffer
- combined type
- slide
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- 239000000872 buffer Substances 0.000 claims abstract description 119
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- 239000002184 metal Substances 0.000 claims description 42
- 230000003139 buffering effect Effects 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 9
- 239000013013 elastic material Substances 0.000 claims description 3
- 208000036829 Device dislocation Diseases 0.000 claims 1
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- 238000005516 engineering process Methods 0.000 abstract description 6
- 241000264877 Hippospongia communis Species 0.000 description 19
- 230000002745 absorbent Effects 0.000 description 16
- 239000002250 absorbent Substances 0.000 description 16
- 239000000463 material Substances 0.000 description 12
- 239000004568 cement Substances 0.000 description 5
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- 201000011180 Dental Pulp Calcification Diseases 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
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- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
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- 208000002925 dental caries Diseases 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 150000003961 organosilicon compounds Chemical class 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
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- 230000001681 protective effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
- B61K7/16—Positive railway stops
- B61K7/18—Buffer stops
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention belongs to track train security equipment technology field,A kind of combined type is aimed to provide to keep off a car energy absorber,The present invention,There is fixed platform by being abutted in the end of rail track,The parallel slide for terminating in fixed platform can be slided along guide rail by being set on guide rail,Wherein,The abutment end of first order buffer stretches out slide to abut moving object,End is buffered to be arranged on slide,The fixing end of second level buffer is arranged in fixed platform,Telescopic end is arranged on slide and can stretched relative to fixing end and moved back and forth with the slide that links with guide rail,So,When the speed of service of moving object is less than pre-set velocity,First order buffer can individually absorb moving object Impact energy,It is on the contrary,Second level buffer and first order buffer are together by the common Impact energy for absorbing moving object,Therefore,The energy absorber of keeping off a car absorbs Impact energy by distribution,Stroke is short,Energy-absorbing is big,Space is small,It is light-weight,Cost is low and energy-absorbing effect is steady.
Description
Technical field
The invention belongs to track train safety protection equipment technical field, is to be related to a kind of combined type gear more specifically
Car energy absorber.
Background technology
In recent years, the urban rail transit construction in two, three line cities develops rapidly, and national track working line gradually increases,
Train because the situation of unexpected derailing out of control also happens occasionally, thus, in the operational process of track train, improve active control
While reliability, because the usual quality of the car body of track train is big, travel speed is relatively large, inertia is big and wheel track between friction
Power is smaller, to improve security performance, at line end or train overhaul station, implements passive safety prevention measure and drops to injury
It is minimum to be necessary.
According to GB/T 50490-2009《Urban rail transit technology specification》7.2.6 regulation：The most end of track should be set
Car bumper, and when the car bumper being arranged on main track, turn back line and vehicle test line should be able to bear train with 15km/h speed impacts
Shock loading.Thus, car lug should have brake force and pooling feature to effectively improve passive security protection.
In general, car lug is divided into fixed car lug, slides car lug, slides hydraulic buffer stopper etc..In the prior art,
The various car lugs in China have been had large improvement in terms of brake force, but usually because without buffering, energy-absorbing is few, impulse stroke
It is long, take up a large area and the defects of performance is single, and can not meet actual demand.
In addition, with people's the accelerating rhythm of life, more quick to go on a journey, the speed of service of track train constantly carries
Height, when the speed of service of train is more than 25km/h, forcing train to stop using car lug needs the kinetic energy that absorbs reachable
To 4MJ, however, existing car lug can not absorb so big kinetic energy in less buffer distance, therefore, there is an urgent need to a
Absorb the car lug that energy is high, buffer distance is short.
The content of the invention
Keep off a car energy absorber it is an object of the invention to provide a kind of combined type, it is existing in the prior art existing to solve
Car lug can not absorb the technical problem of larger Impact energy in less buffer distance.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of combined type is provided to keep off a car energy absorber, should
Combined type is kept off a car energy absorber, and the moving object to stop on guide rail continues to run with, including slide and is connected to the guide rail
The fixed platform of end, the slide is arranged on the guide rail and can be slided along the guide rail terminates in the fixed platform parallel；
The combined type keeps off a car that energy absorber further includes when the moving object speed of service is less than pre-set velocity can be individually
Ground absorbs the first order buffer of the Impact energy of the moving object and when the moving object speed of service is greater than or equal to
The second level buffering of the Impact energy of the moving object can be absorbed during the pre-set velocity jointly with the first order buffer
Device；
The first order buffer has abutment end and buffering end, and the second level buffer has telescopic end and fixation
End, the abutment end of the first order buffer stretch out the slide to be abutted with the moving object, and the buffering end is set
In on the slide；The telescopic end of the second level buffer is arranged on the slide and can be stretched relative to the fixing end
Contracting is moved back and forth with the slide that links with the guide rail, and the fixing end is arranged in the fixed platform.
Further, the first order buffer includes at least one piston rod, hanging buffer front stall, at least one
The corresponding piston rod can be made to link at the same time elastic device that the buffer front stall moves back and forth along the guide rail and it is arranged on
The first loading tool part on the slide；One end of each piston rod is arranged on the rear end face of the buffer front stall, separately
One end is arranged on the corresponding elastic device；Each elasticity dress is connected with the front end face of the first loading tool part
Put, the telescopic end of the second level buffer is connected with rear end face.
Further, each elastic device includes cylinder body, and one end of the cylinder body is inserted with the corresponding piston rod,
The other end is arranged on the described first loading tool part, and bolster is filled with made of elastic material in each cylinder body to join
It is elastic relative to the described first loading tool part to move the corresponding piston rod.
Further, each piston rod relative to the guide rail center line symmetrical setting, it is and mutual with the guide rail
It is parallel.
Further, the piston rod be equipped with two, the cylinder body be equipped with two, the center line of each piston rod with it is right
The center line for the cylinder body answered is on the same line.
Further, combined type energy absorber of keeping off a car further includes at least one anti-creep part, and each anti-creep part is arranged on
On the front end face of the buffer front stall, and relative to the center line symmetrical setting of the guide rail.
Further, the slide is K-type slide.
Further, the second level buffer includes at least one has the first cavity in the fixed platform
Fixed beam and at least one linkage slide the telescoping rod with the second cavity；In each first cavity and/
Or metal beehive energy-absorbing block assembly is filled with each second cavity, one end of each telescoping rod is connected with described first
Level buffer, the other end is mutually inserted with the corresponding fixed beam so that the speed of service of the moving object is more than described
Each telescoping rod is inhaled relative to the corresponding fixed beam movement with compressing the corresponding metal beehive during pre-set velocity
Can block assembly.
Further, the second level buffer further includes at least one upper surface for being disposed longitudinally on the fixed platform
On supporting item, each supporting item is set at least one fixed beam, is parallel to each other and gap setting；Described group
Box-like energy absorber of keeping off a car further include to by each telescoping rod be arranged in the fixed platform and with each telescopic rod
Second loading tool part of part relative movement.
Further, each fixed beam is arranged symmetrically along the center line of the guide rail, and mutual with the guide rail
It is parallel.
Compared with prior art, the keep off a car beneficial effect of energy absorber of combined type provided by the invention is：
The combined type keep off a car energy absorber rail track end abut have fixed platform, on guide rail set can be along guide rail
The parallel slide for terminating in fixed platform is slided, and first order buffer is set on slide, the second level is set on the stationary platform
Buffer, wherein, the abutment end of first order buffer stretches out slide to abut moving object such as vehicle, and buffering end is arranged on slide
On, the fixing end of second level buffer is arranged in fixed platform, telescopic end be arranged on slide and can stretch relative to fixing end with
Linkage slide is moved back and forth with guide rail, in this way, when the speed of service of moving object is less than pre-set velocity, first order buffer energy
Individually absorb the Impact energy of moving object, when the speed of service of moving object is greater than or equal to pre-set velocity, the second level
Buffer and first order buffer are together by the common Impact energy for absorbing moving object, the energy absorber in short, combined type is kept off a car
Impact energy is absorbed by multiple step format, larger kinetic energy can be absorbed in shorter buffer distance, overall up stroke is short, energy-absorbing
Greatly, space is small, light-weight, cost is low and energy-absorbing effect is steady, compensate for the deficiency of existing car lug on domestic market.
Brief description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is that combined type is kept off a car the dimensional structure diagram of energy absorber in the embodiment of the present invention；
Fig. 2 is that combined type is kept off a car the front view of energy absorber in Fig. 1；
Fig. 3 be in Fig. 1 combined type keep off a car energy absorber first order buffer part-structure dimensional structure diagram；
Fig. 4 be in the embodiment of the present invention combined type keep off a car energy absorber second level buffer parts thereof three-dimensional dress
With schematic diagram；
Fig. 5 is the exploded perspective schematic diagram of second level buffer in the embodiment of the present invention；
Fig. 6 be in the embodiment of the present invention combined type keep off a car energy absorber metal beehive energy-absorbing block assembly front view；
Fig. 7 is the cross-sectional view of the honeycomb core of metal beehive energy-absorbing block assembly in Fig. 6；
Fig. 8 is the metal beehive energy-absorbing block assembly state in which that preceding second level buffer is collided in the embodiment of the present invention
Figure；
Fig. 9 is the metal beehive energy-absorbing block assembly state in which of second level buffer after being collided in the embodiment of the present invention
Figure；
Figure 10 is that combined type is kept off a car the working state schematic representation of energy absorber in the embodiment of the present invention；
Figure 11 be in the embodiment of the present invention combined type keep off a car energy absorber metal beehive energy-absorbing block assembly static compress inhale
Can curve map；
Figure 12 be in the embodiment of the present invention combined type keep off a car energy absorber metal beehive energy-absorbing block assembly dynamic impulsion inhale
Can curve map.
Wherein, the label in attached drawing is as follows：
10- guide rails, 20- pillows stone, 30- moving objects；100- slides, 200- fixed platforms；
300- first order buffer, 310- abutment ends, 320- bufferings end, 330- piston rods, 340- buffers front stall, 350-
Elastic device, 351- cylinder bodies；
400- second level buffer, 410- telescopic ends, 420- fixing ends, 430- fixed beams, the first cavitys of 431-, 432-
Baffle, 440- telescoping rods, 450- second load tool part, 451- mounting holes, 460- metal beehive energy-absorbings block assembly, 461- the
One intensity metal honeycomb energy absorbent block, 462- the second intensity metal honeycombs energy absorbent block, 463- honeycomb cores, 470- supporting items, 471- branch
Support hole, 480- blocks；
500- anti-creeps part, 510- anti-creeps denticle, 600- first load tool part.
Embodiment
In order to which technical problem to be solved, technical solution and the beneficial effect of the present invention is more clearly understood, below
With reference to accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
Only to explain the present invention, it is not intended to limit the present invention.
It should be noted that when component is referred to as " being fixed on " or " being arranged at " another component, it can be directly another
On a component or it is connected on another component.When a component is known as " being connected to " another component, it can be with
It is directly to another component or is indirectly connected on another component.
It should be noted that the same or similar label corresponds to the same or similar portion in the attached drawing of the embodiment of the present invention
Part；In the description of the present invention, it is to be understood that if having the orientation or position of the instructions such as term " on ", " under ", "left", "right"
It is based on orientation shown in the drawings or position relationship to put relation, is for only for ease of the description present invention and simplifies description, rather than
Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore, attached drawing
Described in position relationship term only for illustration, it is impossible to the limitation to this patent is interpreted as, for the general of this area
For logical technical staff, the concrete meaning of above-mentioned term can be understood as the case may be.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, " multiple " are meant that two or more, remove
It is non-separately to have clearly specific limit.
The realization of energy absorber of keeping off a car below in conjunction with specific attached drawing to a kind of combined type provided by the invention is retouched in detail
State.
It should be noted that the combined type is kept off a car, energy absorber is a kind of stopping the moving object 30 on guide rail 10 after reforwarding
It is capable to improve the protective device of moving object security performance, be mostly installed at end or the train overhaul of rail line
Station location, certainly, is also used in other suitable places.Specifically, by taking moving object 30 is the vehicle such as subway as an example, the combination
Formula keep off a car energy absorber mainly with to avoid vehicle it is surprisingly out of control when plunge off the tracks circuit, prevent personnel from injuring and vehicle and other setting
Apply damage.Certainly, moving object is not limited only to vehicle, can also be other objects suitably run on the guide rail 10 of track.
It should be noted that the combined type is kept off a car, energy absorber is mainly used in urban rail transit technology field at present,
Certainly, can be additionally used in as needed in other fields such as space technology field, elevator safety protection technology field.
As shown in Figure 1, Figure 2 with shown in Figure 10, combined type energy absorber of keeping off a car includes slide 100 and fixed platform 200, wherein,
To shorten buffer distance, and the fluctuation in the slip and knockout process of moving object 30 is reduced, and then improve combined type gear
The barrier propterty of car energy absorber, fixed platform 200 are connected to the end of guide rail 10.
Again as shown in Figure 1, slide 100 is arranged on guide rail 10, and slide 100 can slide along guide rail 10 and terminate in fixed put down parallel
Platform 200.In the present embodiment, as shown in Fig. 2, guide rail 10 is equipped with two, and two guide rails, 10 gap and the pillow of track is disposed side by side on
On stone 20, accordingly, slide 100 also is provided with two, and each slide 100 is arranged on corresponding guide rail 10.Specifically, it is guarantee
The mobile stationarity of the energy absorber of keeping off a car, and to continue to keep the mounting means of traditional slidingtype buffer and guide rail 10,
And then reducing the transformation to existing car lug structure to the greatest extent, each slide 100 is general K-type slide 100.
As shown in Figure 1, combined type is kept off a car, energy absorber further includes first order buffer 300 and second level buffer 400 again, its
In, when the speed of service when moving object 30 is hit is less than pre-set velocity, first order buffer 300 can individually absorb movement
The Impact energy of object 30.When the speed of service when moving object 30 is hit is greater than or equal to pre-set velocity, second level buffering
Device 400 can absorb the Impact energy of moving object 30 jointly with first order buffer 300.
It is to be appreciated that as shown in Figure 1, first order buffer 300 is located at before second level buffer 400, moving object
Body 30 first touches effect with first order buffer 300, and the speed of service when moving object 30 is hit is greater than or equal to default speed
When spending, first order buffer 300 keeps out the impact force of incessantly moving object 30, and slide 100, which starts to slide to fixed platform 200, to be leaned on
When near, second level buffer 400 just starts to act on, until slide 100 is supported in fixed platform 200, second level buffer 400
Just end energy-absorbing.
Again as shown in Figure 1, first order buffer 300 has abutment end 310 and buffering end 320, second level buffer 400 has
There are telescopic end 410 and fixing end 420.Wherein, the abutment end 310 of first order buffer 300 stretches out slide 100, to facilitate movement
Object 30 abuts when hitting with moving object 30, and the buffering end 320 of first order buffer 300 is arranged on slide 100, in this way, working as
When first order buffer 300 can not keep out the impact of moving object 30 alone, first order buffer 300 can be with slide 100 1
Rise and slide.
Again as shown in Figure 1, the telescopic end 410 of second level buffer 400 is arranged on slide 100, and can be relative to fixing end
420 stretch is moved back and forth with the slide 100 that links with guide rail 10, and the fixing end 420 of second level buffer 400 is arranged on fixed platform
On 200, in this way, when the speed of service when moving object 30 is hit is greater than or equal to pre-set velocity, in supporting for moving object 30
Pressure, slide 100 link first order buffer 300 slided to fixed platform 200 it is close, meanwhile, second level buffer 400 is consolidated
Fixed end 420 is fixed, and telescopic end 410 is compressed, until slide 100 is connected in fixed platform 200.Certainly, movement is removed
After object 30, telescopic end 410 can be under the action of screen resilience, and linkage slide 100 and first order buffer 300 are slowly extensive together
It is past again to be initially located proximate to.
By upper, it is possible to understand that ground, the maximum cushioning of moving object 30 is apart from the initial position for slide 100 to fixed platform
200 distance, that is, in general, moving object 30 is after this keeps off a car energy absorber buffering energy-absorbing, you can in the initial bit of slide 100
Substantially stop some position put between fixed platform 200.Obviously, which keeps off a car energy absorber using multiple step format absorption energy
The mode of amount progressively absorbs 30 Impact energy of moving object, so as to accomplish to reduce to greatest extent in shorter buffer distance
Infringement, overall up stroke compared with it is short, floor space is small, it is more convenient installation detection.
Specifically, in the present embodiment, pre-set velocity 15km/h, when train is hit with the speed of service less than 15km/h
Hit this keep off a car energy absorber when, only first order buffer 300 works, and second level buffer 400 does not work；Before train shock
When the speed of service is 15km/h~25km/h, first order buffer 300 and second level buffer 400 work together, and inhale substantially
Receive all energy during train collision, injury is preferably minimized；When the speed of service before train shock is more than 25km/h, the
First-level buffer device 300 and second level buffer 400 work together, but all energy when can not absorb train collision, Zhi Nengyi
Determine damage caused by train collision is reduced in degree.
Further, keep off a car as combined type provided by the invention a kind of embodiment of energy absorber, such as Fig. 1 and figure
Shown in 2, to realize that the first time of moving object 30 buffers, first order buffer 300 includes at least one piston rod 330, hanging
Buffer front stall 340, at least one elastic device 350 and on slide 100 first loading tool part 600.Wherein, respectively
One end of piston rod 330 is arranged on the rear end face of buffer front stall 340, and the other end is arranged on corresponding elastic device 350.First
Load and be connected with each elastic device 350 on the front end face of tool part 600, stretching for second level buffer 400 is connected with rear end face
Contracting end 410.
In this embodiment, it is preferred that to ensure that this keeps off a car energy absorber when being hit, stress equalization is without inclined
Move, as shown in Fig. 1 and Figure 10, each piston rod 330 relative to guide rail 10 center line symmetrical setting, it is and mutually flat with guide rail 10
OK, in other words, first order buffer 300 is symmetrical structure.
Furthermore it is possible to understand ground, elastic device 350 can make corresponding piston rod 330 while 340 edge of buffer front stall of linking
Guide rail 10 moves back and forth, and in other words, moving object 30, which is hit, to be directly pressed on buffer front stall 340, and each piston rod 330 contracts
Return to extrude corresponding elastic device 350, meanwhile, initial position of the linkage buffer front stall 340 to the first loading tool part 600
Close, until elastic device 350 is depressed into the limit, first order buffer 300 is just overall to be leaned on slide 100 to fixed platform 200
Closely.
Further, keep off a car as combined type provided by the invention a kind of embodiment of energy absorber, it is each to ensure
Elastic device 350 has elastic forepressure, and facilitates first order buffer 300 repeatedly to utilize, such as Fig. 1 and Fig. 3 institutes
Showing, each elastic device 350 includes cylinder body 351, wherein, one end of cylinder body 351 is inserted with corresponding piston rod 330, and the other end is set
In on the first loading tool part 600, specifically, each cylinder body 351 is by flanged joint on the first loading tool part 600.
In addition, the corresponding piston rod 330 that links for convenience is elastic, it is filled with each cylinder body 351 by elastic material system
Into bolster (not shown).Specifically, in the present embodiment, the filling elastic cement material in each cylinder body 351, wherein, this
Kind material is a kind of high viscosity, compressible, flowable uncured organo-silicon compound, it is in -80 DEG C~+250 DEG C models
There is higher heat endurance, chemical stability and resistance to ag(e)ing in enclosing, and it is odorless, nontoxic, it is pollution-free to environment and personnel.Cause
This elastic gel material can come consumed energy and storage energy according to the ratio that actual condition needs, thus, each elastic device
After being filled with the material in 350 corresponding cylinder bodies 351, each elastic device 350 avoids the need for addition response agency or external force auxiliary.
So the first order buffer 300 also becomes daub buffer, its with good stability, reliability, long lifespan and exempt to tie up
The characteristics such as shield, moreover, because being the filling elastic cement material in cylinder body 351, after elastic cement elastic properties of materials fatigue,
The elastic cement material that can also more renew in time, thus, which can also reuse.
Certainly, in practical applications, the bolster in the first order buffer 300 is not limited only to elastic cement, can also be
The flexible material such as rubber is made, certainly, the bolster can also be it is other it is suitable each telescopic rod can be driven to stretch zero
Component.
Specifically, keep off a car as combined type provided by the invention a kind of embodiment of energy absorber, piston rod 330 is set
There are two, accordingly, cylinder body 351 is equipped with two.For ensure balance do not shift, and more efficiently play cushioning effect into
And the reliability of the energy absorber of keeping off a car is improved, the center line of the center line of each piston rod 330 and the corresponding cylinder body 351
On the same line.
Further, keep off a car as combined type provided by the invention a kind of embodiment of energy absorber, transported to reduce
In such as Vehicular impact working angles of animal body 30, the fluctuation of the energy absorber of keeping off a car, increases the contact area with vehicle, reduces vehicle
With the laterally opposed slip between the energy absorber of keeping off a car, so as to creep when preventing Vehicular impact, the wind of vehicle derailing is reduced
Danger and reduce that car body destroys and the probability of injury to personnel, combined type energy absorber of keeping off a car further include at least one anti-creep part 500,
Wherein, each anti-creep part 500 is on the front end face of buffer front stall 340.
As shown in Fig. 2, to ensure 300 stress balance of first order buffer, each anti-creep part 500 relative to guide rail 10 center
Line is symmetrical arranged.Specifically, in the present embodiment, the front end face of each anti-creep part 500 is equipped with least one anti-creep denticle 510,
Each anti-creep denticle 510 is arranged perpendicular to guide rail 10, and along one interword gap of direction perpendicular to guide rail 10.
Further, keep off a car as combined type provided by the invention a kind of embodiment of energy absorber, such as Fig. 1, Fig. 4
Shown in Fig. 5, second level buffer 400 includes an at least fixed beam 430 and an at least telescoping rod 440, wherein, respectively
Fixed beam 430 can be square or circular rod piece, can specifically be decided according to the actual requirements.As shown in Figure 4 and Figure 5, respectively
Fixed beam 430 is arranged in fixed platform 200 and is parallel to each other with guide rail 10, it is preferable that for ensure second level buffer 400 by
Dynamic balance, each fixed beam 430 are arranged symmetrically along the center line of guide rail 10.In addition, for convenience of receiving energy-absorbing material, each fixation
Rod piece 430 has the first cavity 431.Accordingly, one end of each telescoping rod 440 is connected on the first loading workpiece is slided with linking
Rail 100, and each telescoping rod 440 has the second cavity.
When speed of service during to ensure that moving object 30 is hit is greater than or equal to pre-set velocity, second level buffer 400
Cushioning effect can be played, as shown in Figure 4 and Figure 5, metal beehive is filled with each first cavity 431 and/or in each second cavity
Energy-absorbing block assembly 460.Specifically in the present embodiment, it is filled with metal beehive in each first cavity 431 and in each second cavity
Energy-absorbing block assembly 460.Again as shown in Figure 4 and Figure 5, one end of each telescoping rod 440 is connected with first order buffer 300, specifically
In the present embodiment, one end of each telescoping rod 440 is directly connected to the first loading tool part 600.Each telescoping rod 440 it is another
One end is mutually inserted with corresponding fixed beam 430, in this way, when first order buffer 300 can not act on alone again, it is each flexible
Rod piece 440 can be moved relative to corresponding fixed beam 430 to compress corresponding metal beehive energy-absorbing block assembly 460, so as to help
First order buffer 300 is helped to absorb the Impact energy of moving object 30.
It should be noted that as shown in Figure 8 and Figure 9, baffle 432 is provided with the second cavity of each telescoping rod 440, specifically
Ground, formed with a closed annular seal space and an open accommodating chamber between baffle 432 and corresponding telescoping rod 440, its
In, which accommodates metal beehive energy-absorbing block assembly 460, which communicates with corresponding first cavity 431, and with it is right
The first cavity 431 answered accommodates the metal beehive energy-absorbing block assembly 460 of fixed beam 430 jointly.
By upper, it is possible to understand that ground, fixed beam 430 are corresponded with telescoping rod 440, and each fixed beam 430 mainly rises
To the effect for being oriented to and placing metal beehive energy-absorbing block assembly 460 for corresponding telescoping rod 440.Such as Fig. 6, Fig. 8 and Fig. 9 institute
Show, when in the second level, buffer 400 works, its Impact energy is acted directly on each fixed beam 430 and each by moving object 30
In metal beehive energy absorbent block in telescoping rod 440, under the guiding role of fixed beam 430, each metal beehive energy absorbent block group
Part 460 can be compressed along the direction of motion of moving object 30, and each metal bee is converted into so as to fulfill the Impact energy of train
The plastic deformation of nest energy absorbent block, so that it is guaranteed that the safety of car body and personnel.
As shown in Figure 6 and Figure 7, each metal beehive energy-absorbing block assembly 460 includes 461 He of the first intensity metal honeycomb energy absorbent block
Second intensity metal honeycomb energy absorbent block 462, wherein, the first intensity metal honeycomb energy absorbent block 461 and the second intensity metal honeycomb are inhaled
Energy block 462 is respectively provided with honeycomb core 463, and the thickness of the first intensity metal honeycomb energy absorbent block 461 is less than the second intensity metal honeycomb
The thickness of energy absorbent block 462, accordingly, the intensity of the first intensity metal honeycomb energy absorbent block 461 are inhaled less than the second intensity metal honeycomb
The intensity of energy block 462.In general, each first intensity metal honeycomb energy absorbent block 461 and each second intensity metal honeycomb energy absorbent block 462 are equal
It is made using shaping stacking or pulling method, in this way, effective stroke ratio can be improved greatly, effectively ensures moving object
30 impact force can efficiently be converted into the plastic deformation of each second intensity metal honeycomb energy absorbent block 462, while ensure energy-absorbing peak
Value is than small, impact smooth fluctuations and light-weight etc..
Specifically, in the present embodiment, as shown in Figure 6 and Figure 7, to make second level buffer 400 in moving object 30
There is excellent energy absorption characteristics, each first intensity metal honeycomb energy absorbent block 461 and each second intensity metal honeycomb in the direction of motion
The honeycomb core 463 of energy absorbent block 462 is a kind of metal polyporous material.Preferably, each metal beehive energy-absorbing block assembly 460 is by aluminium
Material is made, certainly, in fact, also other suitable materials can be selected to be made as needed.By upper, the second level buffer
400 it is compact-sized, reliable and light-weight.
Further, keep off a car as combined type provided by the invention a kind of embodiment of energy absorber, such as Fig. 1 and figure
Shown in 5, for convenience of each telescoping rod 440 is arranged in fixed platform 200, and then the reliable of second level buffer 400 is ensured
Property, combined type energy absorber of keeping off a car further includes the second loading tool part 450, has Telescopic for convenience of each telescopic rod, this second
Loading tool part 450 is relatively moved with each telescoping rod 440.Wherein, as shown in Figure 1 and Figure 5, on the second loading tool part 450
At least one mounting hole 451 is offered, each mounting hole 451 is corresponded with each telescoping rod 440, and each mounting hole 451 is outer
Shape and size adapt to the shape and size of each telescoping rod 440 respectively.Specifically, in the present embodiment, telescoping rod 440 has
There are two and be quadrangle rod piece, mounting hole 451 offers two.
By upper it is to be appreciated that by using the second loading tool part 450, each of second level buffer 400 can guarantee that
Fixed beam 430 and each telescoping rod 440 are not susceptible to deform during the work time, are conveniently replaceable respective internal metal beehive
Energy-absorbing block assembly 460, meanwhile, be also convenient for each fixed beam 430 and each telescoping rod 440 and reuse, so save consumptive material and
The dismounting of the energy absorber of keeping off a car is facilitated to safeguard.
Accordingly, to improve the bending strength of each fixed beam 430, and then the reliability of second level buffer 400 is improved,
Second level buffer 400 further includes at least one supporting item 470, wherein, each supporting item 470 is disposed longitudinally on fixed platform 200
Upper surface on, and be set at least one fixed beam 430, be parallel to each other and gap setting.
It is to be appreciated that each supporting item 470 can only support a fixed beam 430, multiple fixations can be also supported at the same time
Rod piece 430, or even all fixed beams 430, specifically can be depending on reality.In general, the hole shape and size of each supported hole 471
It is adapted respectively with the shape and size of each fixed beam 430, and the uniform word row in 470 follows track of each supporting item, 10 directions
Open.Preferably, in the present embodiment, as shown in figure 5, fixed beam 430 is equipped with two and is in quadrangle rod piece, accordingly, respectively
Two supported holes 471 side by side are offered on supporting item 470.
As shown in Figure 1 and Figure 5, to further improve the reliability of second level buffer 400, in fixed platform 200,
The rear end of each fixed beam 430 is provided with block 480, to give each fixed beam 430 at the same time with support force from front, in this way,
It can ensure that 400 stress balance of second level buffer will not run-off the straight to a certain extent.
By upper, combined type provided by the invention is kept off a car energy absorber, and compared with prior art, mainly some is special with following
Property：
(1) combined type energy absorber of keeping off a car can be designed according to the standard of respective country, and in China, it can ensure operation speed
The vehicles such as the subway train within spending for 25km/h in case of emergency emergency, will not derail；
(2) combined type energy absorber of keeping off a car uses multiple step format energy management, is delayed by first order buffer 300 and the second level
The Impact energy that device 400 absorbs moving object 30 step by step is rushed, generally energy-absorbing is big, stroke is short, space is small, light-weight
And cost is low, because overall structure is arranged symmetrically installation, thus uniform force will not deviate in whole work process, in addition,
Anti-creep part 500 is set in the leading portion of first order buffer 300 so that combined type energy absorber of keeping off a car also has anti-creep function, always
It, combined type energy absorber of keeping off a car compensate for the deficiency of existing car lug on domestic market；
(3) as shown in figure 11, inhaled for the combined type static compress of metal beehive energy-absorbing block assembly 460 in energy absorber of keeping off a car
Can curve map (that is, static compress force-displacement curve figure)；As shown in figure 12, keep off a car metal bee in energy absorber for the combined type
The dynamic compression energy absorption curve figure (that is, dynamic compression force-displacement curve figure) that nest energy-absorbing block assembly 460 tests out, from this two
It can be learnt in figure, the peak force for the metal beehive energy-absorbing block assembly 460 which keeps off a car in energy absorber is smaller, substantially peaceful
Equal crushing force is consistent, and stability bandwidth is smaller, and whole endergonic process is more steady, compared to other forms power-absorbing have it is very big excellent
Gesture.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention.For the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included within scope of the presently claimed invention.
Claims (10)
- The energy absorber 1. combined type is kept off a car, the moving object to stop on guide rail continue to run with, it is characterised in that：Including slide and The fixed platform of the end of the guide rail is connected to, the slide is arranged on the guide rail and simultaneously whereabouts can be slided along the guide rail In the fixed platform；Combined type energy absorber of keeping off a car is further included and can individually inhaled when the moving object speed of service is less than pre-set velocity Receive the first order buffer of the Impact energy of the moving object and when the moving object speed of service is more than or equal to described The second level buffer of the Impact energy of the moving object can be absorbed during pre-set velocity jointly with the first order buffer；The first order buffer has abutment end and buffering end, and the second level buffer has telescopic end and fixing end, institute The abutment end for stating first order buffer stretches out the slide to be abutted with the moving object, and the buffering end is arranged on described On slide；The telescopic end of the second level buffer is arranged on the slide and can stretched relative to the fixing end to join Move the slide to move back and forth with the guide rail, the fixing end is arranged in the fixed platform.
- The energy absorber 2. combined type as claimed in claim 1 is kept off a car, it is characterised in that：The first order buffer includes at least one A piston rod, hanging buffer front stall, at least one can make the corresponding piston rod link at the same time the buffer front stall The elastic device moved back and forth along the guide rail and the first loading tool part on the slide；The one of each piston rod On the rear end face of the buffer front stall, the other end is arranged on the corresponding elastic device at end；The first loading work Each elastic device is connected with the front end face of piece installing, the described flexible of the second level buffer is connected with rear end face End.
- The energy absorber 3. combined type as claimed in claim 2 is kept off a car, it is characterised in that：Each elastic device includes cylinder body, institute The one end for stating cylinder body is inserted with the corresponding piston rod, and the other end is arranged on the described first loading tool part, and each cylinder The bolster made of elastic material is filled with vivo, and frock is loaded relative to described first with the corresponding piston rod that links Part is elastic.
- The energy absorber 4. combined type as claimed in claim 3 is kept off a car, it is characterised in that：Each piston rod is relative to the guide rail Center line symmetrical setting, and be parallel to each other with the guide rail.
- The energy absorber 5. combined type as claimed in claim 4 is kept off a car, it is characterised in that：The piston rod is equipped with two, the cylinder Body is equipped with two, and the center line of the center line of each piston rod and the corresponding cylinder body is on the same line.
- The energy absorber 6. combined type as claimed in claim 2 is kept off a car, it is characterised in that：Combined type energy absorber of keeping off a car further includes At least one anti-creep part, each anti-creep part is on the front end face of the buffer front stall, and relative to the guide rail Center line symmetrical setting.
- The energy absorber 7. such as claim 1 to 6 any one of them combined type is kept off a car, it is characterised in that：The slide is slided for K-type Rail.
- The energy absorber 8. such as claim 1 to 6 any one of them combined type is kept off a car, it is characterised in that：The second level buffer Including at least one fixed beam and at least one linkage slide with the first cavity being arranged in the fixed platform The telescoping rod with the second cavity；Metal beehive is filled with each first cavity and/or in each second cavity Energy-absorbing block assembly, one end of each telescoping rod are connected with the first order buffer, the other end and the corresponding fixation Rod piece is mutually inserted so that the speed of service of the moving object is greater than or equal to each telescoping rod during the pre-set velocity Relative to the corresponding fixed beam movement to compress the corresponding metal beehive energy-absorbing block assembly.
- The energy absorber 9. combined type as claimed in claim 8 is kept off a car, it is characterised in that：The second level buffer further includes at least One supporting item being disposed longitudinally on the upper surface of the fixed platform, each supporting item are set at least one described solid On fixed pole part, it is parallel to each other and gap setting；Combined type energy absorber of keeping off a car is further included each telescoping rod to be set Put in the fixed platform and load tool part with the second of each telescoping rod relative movement.
- The energy absorber 10. combined type as claimed in claim 8 is kept off a car, it is characterised in that：Each fixed beam is led along described The center line of rail is arranged symmetrically, and is parallel to each other with the guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476243.6A CN108001480B (en) | 2017-06-21 | 2017-06-21 | Combined type car stopping energy absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476243.6A CN108001480B (en) | 2017-06-21 | 2017-06-21 | Combined type car stopping energy absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108001480A true CN108001480A (en) | 2018-05-08 |
| CN108001480B CN108001480B (en) | 2024-04-30 |
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ID=62048768
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710476243.6A Active CN108001480B (en) | 2017-06-21 | 2017-06-21 | Combined type car stopping energy absorber |
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| Country | Link |
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| CN (1) | CN108001480B (en) |
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| CN111038549A (en) * | 2020-01-02 | 2020-04-21 | 中车青岛四方机车车辆股份有限公司 | Train external emergency braking system and emergency braking method |
| WO2022057423A1 (en) * | 2020-09-16 | 2022-03-24 | 中车株洲电力机车有限公司 | Buffer stop and railway vehicle collision prevention method |
| CN114750801A (en) * | 2022-04-22 | 2022-07-15 | 连云港瑞鑫动励观光车有限公司 | Mountain climbing toothed rail train rail braking and parking device for mountainous region |
| CN116215601A (en) * | 2023-04-12 | 2023-06-06 | 辽宁东鹰航空装备科技股份有限公司 | Blocking device of ultrahigh-speed low-vacuum pipeline aircraft |
| WO2023246684A1 (en) * | 2022-06-20 | 2023-12-28 | 中车株洲电力机车有限公司 | Energy-absorbing buffer stop for train, and stopping and energy absorption method |
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| CN116215601A (en) * | 2023-04-12 | 2023-06-06 | 辽宁东鹰航空装备科技股份有限公司 | Blocking device of ultrahigh-speed low-vacuum pipeline aircraft |
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| Publication number | Publication date |
|---|---|
| CN108001480B (en) | 2024-04-30 |
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