CN209176699U - A kind of cutting type rail vehicle energy-absorbing anti-creeper - Google Patents
A kind of cutting type rail vehicle energy-absorbing anti-creeper Download PDFInfo
- Publication number
- CN209176699U CN209176699U CN201821989191.9U CN201821989191U CN209176699U CN 209176699 U CN209176699 U CN 209176699U CN 201821989191 U CN201821989191 U CN 201821989191U CN 209176699 U CN209176699 U CN 209176699U
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- Prior art keywords
- cylinder body
- cutting
- inner sleeve
- flange
- piston rod
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- 238000005520 cutting process Methods 0.000 title claims abstract description 94
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 239000002826 coolant Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000013016 damping Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000155 melt Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Abstract
The utility model discloses a kind of cutting type rail vehicle energy-absorbing anti-creepers, including piston rod, cylinder body, inner sleeve, flange and cooling tube, inner sleeve is arranged in cylinder body, coolant liquid is equipped in inner sleeve and cylinder body, one end of the inner sleeve and cylinder body is connect with the side of flange, pilot hole that is sliding with piston rod and being aligned with inner sleeve is provided on the flange, the other side of flange is equipped with cutting tool, cutting tool extends in the guide groove on piston rod, cooling tube out of cylinder body one-way conduction to cutting tool installation site, inner sleeve is provided with the damping hole being connected to cylinder body far from the end of flange.The utility model is by way of the cooling cutter of coolant liquid, reduce the probability that cutter melts in cutting process, improve the reliability of cutting tool, simultaneously because the cutting portion after cutting pushes the intracorporal coolant liquid of piston press cylinder, so that part kinetic energy when train collides is converted into the kinetic energy and pressure energy of coolant liquid, the fracture probability of cutter is reduced.
Description
Technical field
The utility model relates to rail traffic buffering energy-absorbing field more particularly to a kind of cutting type rail vehicle energy-absorbing anti-creeps
Device.
Background technique
With the fast development of track transportation industry, while improving train active safety, rail vehicle it is passive
Security performance is also increasingly taken seriously.Great acceleration pulse can be generated when the speed of train collision is higher, lead to train
The serious breakoff phenomenon such as arch upward, climb vehicle, overturning, makes to bump against vehicle moderate finite deformation occurs, and passenger's living space subtracts significantly
It is small.To reduce train collision accident to the destruction of car body and the injury of occupant, usually installed in the limited space in train both ends
Big energy absorption, efficient anticreeper.
Currently used cutting, planing, broaching formula energy-absorbing anti-creeper have the disadvantage that (1) requires sternly processing technology
Lattice, chip being cut part is to the more demanding of cutter；(2) temperature is higher when Tool in Cutting chip being cut part, causes cutter to melt phenomenon tight
Weight, Tool Reliability are poor；(3) initial cuts process impact force is larger, and cutter easily snaps off；(4) steady cutting process exists
Certain wave phenomenon, anticreeper anti-bias load performance are poor.
Utility model content
The utility model aim is to provide a kind of cutting type rail vehicle energy-absorbing anti-creeper, to solve the above problems.
To achieve the above object, the utility model discloses a kind of cutting type rail vehicle energy-absorbing anti-creepers, including piston
Bar, cylinder body, inner sleeve, flange and cooling tube, the inner sleeve are arranged in the cylinder body, are equipped in the inner sleeve and cylinder body
One end of coolant liquid, the inner sleeve and cylinder body is connect with the side of the flange, is provided on the flange and the piston rod
Pilot hole that is sliding and being aligned with the inner sleeve, the other side of the flange is equipped with the bite for cutting the piston rod
Tool, one-way conduction is to the installation site of the cutting tool out of described cylinder body for the cooling tube, and the inner sleeve is far from described
The end of flange is provided with the damping hole being connected to cylinder body.
Further, check valve is installed, one end of the cooling tube and the check valve connect on the wall surface of the cylinder body
It connects, the point of a knife of the other end towards the cutting tool is arranged.
Further, one end of the piston rod is provided with the piston sliding with cylinder body sealing, the cooling tube with
The other end of the link position of the cylinder body in cylinder body.
Further, the link position of the cooling tube and the cylinder body is arranged close to the flange.
Further, guide groove is provided on the piston rod, the cutting tool extends in the guide groove, along
In the cutting direction of the cutting tool, one section of the location interval to be cut of the point of a knife of the cutting tool and the piston rod away from
From so that the cutting tool starts to cut after coolant liquid ejection.
Further, the piston rod is provided with anti-climbing tooth far from the other end of piston.
Further, the piston rod is the hollow rod structure of inner hollow.
Further, the inner sleeve and cylinder body are coaxially fixed in a mounting seat, are provided in the mounting seat
Mounting hole.
Compared with the prior art, the advantages of the utility model are:
The utility model is reduced the probability that cutter melts in cutting process, is mentioned by way of the cooling cutter of coolant liquid
The high reliability of cutting tool, simultaneously because the cutting portion after cutting pushes the intracorporal coolant liquid of piston press cylinder, so that
Part kinetic energy when train collides is converted into the kinetic energy and pressure energy of coolant liquid, and the impact for reducing initial cuts process carries
Lotus ensure that the steady progress of cutting process, reduce the fracture probability of cutter.Metal parts after cutting simultaneously becomes living
Stopper rod enters cylinder interior, improves the anti-bias load of cutting type energy absorption device, ensure that the Impact Resisting Capability of rail vehicle.
Below with reference to accompanying drawings, the utility model is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the structural schematic diagram of cutting type rail vehicle energy-absorbing anti-creeper disclosed in the utility model embodiment；
Fig. 2 is the decomposition texture schematic diagram of cutting type rail vehicle energy-absorbing anti-creeper disclosed in the utility model embodiment；
Fig. 3 is anti-creep teeth portion part structural schematic diagram disclosed in the utility model embodiment；
Fig. 4 is anti-creep teeth portion part cross-sectional view disclosed in the utility model embodiment；
Fig. 5 is flange assembly first structure diagram disclosed in the utility model embodiment；
Fig. 6 is the second structural schematic diagram of flange assembly disclosed in the utility model embodiment；
Fig. 7 is the structural schematic diagram of part of cylinder block disclosed by the embodiments of the present invention.
Marginal data:
1, anti-creep teeth portion part；11, anti-climbing tooth；12, piston rod；13, guide groove；14, piston；15, fillister joint；
2, flange assembly；21, flange；22, cutting tool；23, necking part；24, Cutting tool installation manner groove；25, pilot hole；
3, cooling tube；
4, part of cylinder block；41, cylinder body；42, inner sleeve；43, damping hole；44, check valve；
5, mounting seat；51, mounting base；52, mounting hole.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
As shown in Fig. 1-Fig. 7, the utility model discloses a kind of cutting type rail vehicle energy-absorbing anti-creepers, mainly by anti-creep
Teeth portion part 1, flange assembly 2, cooling tube 3, part of cylinder block 4 and mounting seat 5, wherein anti-creep teeth portion part 1 include anti-climbing tooth 11,
Piston rod 12 and piston 14 form, and there are four the installations for installing bolt for circumference uniform distribution on the mounting base 51 of mounting seat 5
Hole 52, entire anticreeper are linked together by mounting hole 52 with floor underframe for vehicle.Wherein, anti-climbing tooth 11 and piston 14 are arranged in work
The both ends of stopper rod 12, anti-climbing tooth 11 are set on a metal plate, and anti-climbing tooth 11 is 4 side by side, in the present embodiment, whole in order to mitigate
The weight of a anticreeper, piston rod 12 are designed as the hollow rod structure of inner hollow.Piston rod 12 is component to be cut simultaneously,
Guide groove 13 is provided on the wall surface of the piston rod 12.Mounting seat 5 and flange assembly 2 are sealingly mounted at the two of part of cylinder block 4
End, wherein part of cylinder block 4 includes the cylinder body 41 and inner sleeve 42 being coaxially fixed in mounting seat 5, cylinder body 41 and inner sleeve 42
Between, the inside of inner sleeve 42 be continuously-filled with coolant liquid, the inside of cylinder body 41, cylinder body 41 and inner sleeve is arranged in inner sleeve 42
One end of cylinder 42 is sealed by mounting seat 5, and the other end is sealed by flange assembly 2, between cylinder body 41 and inner sleeve 42 only
It is connected to by the damping hole 43 on inner sleeve 42, in the present embodiment, damping hole 43 is positioned close to one end of mounting seat 5,
That is the bottom of inner sleeve 42, flange assembly 2 include flange 21 and cutting tool 22, and flange 21 is provided centrally with a pilot hole
25, necking part 23 and cylinder body 41 the interference fit (aligning inner of inner sleeve 42 and pilot hole 25 company that flange 21 passes through edge
Connect, to realize the sealed connection of part of cylinder block 4 Yu flange 21), the radius size one of the radius size of flange 21 with cylinder body 41
Sample.Wherein, the outer wall of flange 21, mounting seat 5 and cylinder body 41, which is sayed, can be set reinforcing rib in its circumferential direction, increase anti-bias load
Can, pilot hole 25 is identical as the size of piston 14.When train crashes, pilot hole 25 can guarantee that piston 14 is stable
It is moved to 5 direction of mounting seat, so that cutting endergonic process is more steady, improves the stability and anti-bias load of anticreeper device
Property.
In the present embodiment, flange 21 along the circumferential edge setting of pilot hole 25 there are four Cutting tool installation manner groove 24, cutter
Cutting tool 22 is installed with screw fastening in mounting groove 24, the point of a knife of cutting tool 22 extends to the center of pilot hole 25,
When specific cooperation, piston rod 12 and the sealing of pilot hole 25 are sliding, and the point of a knife of cutting tool 22 is inserted into guide groove 13, and is lived
Plug 14 then slips in inner sleeve 42, and wherein guide groove 13 is located at the top of piston 14, meanwhile, cylinder body 41 is close to the end of flange 21
Portion is equipped with check valve 44, and check valve 44 is uniformly distributed along the circumferential direction of cylinder body 41, corresponds with cutting tool 22, cooling tube 3
One end is connect with the check valve 44 on 41 wall surface of cylinder body, and the other end extends to the position of tool tip of cutting tool 22, wherein check valve
44 allow to be connected from the interior of cylinder body 41.When train collides, the anti-climbing tooth 11 between two vehicles is mutually twisted,
Contact, the piston 14 of 12 end of piston rod, which responds, starts to squeeze the coolant liquid in inner sleeve 42, the coolant liquid in inner sleeve 42 by
External cylinder body 41 will be flowed to from the damping hole 43 on barrel to squeezing, due to being inherently full of between cylinder body 41 and inner sleeve 42
Coolant liquid, under the effect of the pressure opens the check valve 44 on the side wall for making cylinder body 41, so that coolant liquid is rapidly from cold
But cutting tool 22 is sprayed in pipe 3, then, cutting tool 22 can steadily cut the metal on piston rod 12, after cutting
Piston rod 12 continues to move to the bottom of inner sleeve 42, to reduce temperature of the cutting tool 22 during cutting buffering energy-absorbing
Degree, reduce cutting tool 22 melts knife probability (can almost prevent to melt the generation of knife).The size and bite of 13 end of guide groove
Tool 22 matches, and specifically when setting, the length of prominent pilot hole 25 in Cutting tool installation manner groove 24 of cutting tool 22 is equal to guide groove
13 depth, the width of cutting tool 22 are equal to or slightly less than the width of guide groove 13, i.e., cutting tool 22 and guide groove 13 it
Between use transition or lesser interference fit, it is ensured that cutting tool 22 cut piston rod 12 when, steadily cut, mention along longitudinal direction
The high stability of device.The setting of guide groove 13 can prevent the unexpected stress of cutting tool 22 excessive and be broken, and ensure that cutting
The stress balance of cutting tool 22 is reduced the vibration of anticreeper during the cutting process by the cutting direction of process and four, is improved
The stability of device.
At the same time, when being collided due to train, the squeezing action of piston 14, coolant liquid in inner sleeve 42 is by squeezing
During pressure will flow to external cylinder body 41 from the damping hole 43 on barrel, and then process cooling tube 3 sprays to cutting tool 22,
Mechanical energy a part of collision is converted into cutting tool 22 and cuts cutting energy and thermal energy that piston rod 12 generates, and another part then turns
The kinetic energy and pressure energy of coolant liquid are turned to, collective effect complements each other, and when the effect of improving buffering energy-absorbing, also protects
Cutting tool 22, and part of cylinder block 4 not only acts as the effect of hydraulic cushion energy-absorbing, while can also complete having to cutting tool 22
Cooling is imitated, while being combined into one hydraulic cushion energy-absorbing and cutting energy-absorbing, increasing system's energy efficiency, moreover it is possible to inhale in time to cutting
Energy position is cooling, realizes the remarkable result of " 1+1 > 2 ".
In the present embodiment, there are certain vibration when being operated normally due to train, check valve 44 can guarantee that train is normal
When operation, coolant liquid will not spill into cooling tube 3 from cylinder body 41.Only when train crashes, check valve 44 exists
It can just be opened when reaching pressure threshold under hydraulic action, so that coolant liquid sprays to cutting tool 22 from cooling tube 3, pressure at this time
Threshold and cooling tube 3 also function to the effectiveness of damping hole buffering energy-absorbing simultaneously.
Meanwhile in order to reduce the shock loading of initial cuts process, guarantee the steady progress of cutting process, along bite
In the cutting direction of tool 22, the point of a knife of cutting tool 22 and location interval a distance to be cut of piston rod 12, i.e. piston rod
After 12 will run a distance to mounting seat 5, the point of a knife of cutting tool 22 can just encounter the metal with cutting on piston rod 12,
To make cutting tool 22 start cutwork after coolant liquid ejection, the impact for reducing initial cuts process in this way is carried
Lotus, while also preferably protecting cutting tool 22.
In the present embodiment, the two sides of guide groove 13 are provided with fillister joint 15, and fillister joint 15 is cut along cutting tool 22
Cut direction extension, i.e., fillister joint 15 along the two sides of guide groove 13 towards the circumferentially extending of piston rod 12, thus can guarantee cutter
When cutting, the metal specified along specified path cut only cuts the metal between two confronting grooves seams 15, to make to cut
It is more controllable to cut process.
And since the link position of cooling tube 3 and cylinder body 41 is close to the setting of flange 21, coolant liquid is in the process of being squeezed
Flow path it is more tortuous very long, the energy of absorption is more, and buffering effect is more preferable, meanwhile, between cylinder body 41 and inner sleeve 42
Settable multiple intermediate sleeves being mutually socketed, uniformly distributed multiple damping holes 43, can further increase damping energy-absorbing on intermediate sleeve
Effect.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of cutting type rail vehicle energy-absorbing anti-creeper, which is characterized in that including piston rod (12), cylinder body (41), inner sleeve
(42), flange (21) and cooling tube (3), the inner sleeve (42) setting in the cylinder body (41), the inner sleeve (42) and
It is equipped with coolant liquid in cylinder body (41), one end of the inner sleeve (42) and cylinder body (41) is connect with the side of the flange (21),
Pilot hole (25) that is sliding with the piston rod (12) and being aligned with the inner sleeve (42) is provided on the flange (21), it is described
The other side of flange (21) is equipped with the cutting tool (22) for cutting the piston rod (12), and the cooling tube (3) is from the cylinder
Body (41) interior one-way conduction is to the installation site of the cutting tool (22), and the inner sleeve (42) is far from the flange (21)
End is provided with the damping hole (43) being connected to cylinder body (41).
2. cutting type rail vehicle energy-absorbing anti-creeper according to claim 1, which is characterized in that the wall of the cylinder body (41)
It is equipped on face check valve (44), one end of the cooling tube (3) is connect with the check valve (44), and the other end is cut described in
The point of a knife of cutting knife tool (22) is arranged.
3. cutting type rail vehicle energy-absorbing anti-creeper according to claim 1, which is characterized in that the piston rod (12)
One end is provided with the piston (14) sliding with the cylinder body (41) sealing, the connection of the cooling tube (3) and the cylinder body (41)
The other end of the position in cylinder body (41).
4. cutting type rail vehicle energy-absorbing anti-creeper according to claim 1, which is characterized in that the cooling tube (3) with
The link position of the cylinder body (41) is arranged close to the flange (21).
5. cutting type rail vehicle energy-absorbing anti-creeper according to claim 1 to 4, which is characterized in that the piston rod
(12) it is provided on guide groove (13), the cutting tool (22) extends in the guide groove (13), and along the cutting
In the cutting direction of cutter (22), the point of a knife of the cutting tool (22) and the location interval to be cut one of the piston rod (12)
Section distance, so that the cutting tool (22) starts to cut after coolant liquid ejection.
6. cutting type rail vehicle energy-absorbing anti-creeper according to claim 5, which is characterized in that the piston rod (12) is remote
The other end from piston (14) is provided with anti-climbing tooth (11).
7. cutting type rail vehicle energy-absorbing anti-creeper according to claim 6, which is characterized in that the piston rod (12) is
The hollow rod structure of inner hollow.
8. cutting type rail vehicle energy-absorbing anti-creeper according to claim 7, which is characterized in that the inner sleeve (42) and
Cylinder body (41) is coaxially fixed on a mounting seat (5), is provided with mounting hole (52) on the mounting seat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821989191.9U CN209176699U (en) | 2018-11-29 | 2018-11-29 | A kind of cutting type rail vehicle energy-absorbing anti-creeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821989191.9U CN209176699U (en) | 2018-11-29 | 2018-11-29 | A kind of cutting type rail vehicle energy-absorbing anti-creeper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209176699U true CN209176699U (en) | 2019-07-30 |
Family
ID=67374902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821989191.9U Withdrawn - After Issue CN209176699U (en) | 2018-11-29 | 2018-11-29 | A kind of cutting type rail vehicle energy-absorbing anti-creeper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209176699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115214739A (en) * | 2022-09-08 | 2022-10-21 | 西南交通大学 | Energy-absorbing structure and energy-absorbing anti-creep device |
-
2018
- 2018-11-29 CN CN201821989191.9U patent/CN209176699U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115214739A (en) * | 2022-09-08 | 2022-10-21 | 西南交通大学 | Energy-absorbing structure and energy-absorbing anti-creep device |
| CN115214739B (en) * | 2022-09-08 | 2022-11-29 | 西南交通大学 | Energy-absorbing structure and energy-absorbing anti-creep device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190730 Effective date of abandoning: 20231121 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190730 Effective date of abandoning: 20231121 |