CN114604285A - Anti-climbing energy-absorbing device - Google Patents
Anti-climbing energy-absorbing device Download PDFInfo
- Publication number
- CN114604285A CN114604285A CN202210310589.XA CN202210310589A CN114604285A CN 114604285 A CN114604285 A CN 114604285A CN 202210310589 A CN202210310589 A CN 202210310589A CN 114604285 A CN114604285 A CN 114604285A
- Authority
- CN
- China
- Prior art keywords
- energy
- absorbing
- guide section
- guide
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The anti-climbing energy absorption device comprises an installation part, a guide part and an energy absorption part, wherein the guide part is installed on the installation part and comprises a first guide section and a second guide section, the cross section perpendicular to the axial direction of the guide part is a first cross section, and the area of any first cross section of the first guide section is smaller than or equal to the area of the first cross section of the first end of the second guide section; the area of the first cross section of the second guide section is gradually increased in the direction from the first end of the second guide section to the second end of the second guide section; the first ends of the first guide section and the second guide section are connected; the energy-absorbing portion comprises an energy-absorbing sleeve, the energy-absorbing sleeve is movably sleeved on the first guide section along the length direction of the guide portion, and the first end of the energy-absorbing sleeve is used for bearing collision. The train need not to reserve the space of retreating for the guide part when the anti-creep energy-absorbing device of this application is installed to the realization saves automobile body space.
Description
Technical Field
The application belongs to the technical field of passive safety protection, and more specifically relates to an anti-climbing energy-absorbing device.
Background
With the rapid improvement of the performance of a high-speed train, the damage caused by the sudden accident of train collision is increasingly greater, and the passive safety protection is also gradually emphasized while the reliability of active control is improved. The current effective mode is that anti-creep energy-absorbing devices are arranged at the head end and the tail end of a train carriage.
At present, a drawer type honeycomb anti-climbing energy absorption device, a planing type anti-climbing energy absorption device and an expansion pipe type anti-climbing energy absorption device are common anti-climbing energy absorption devices on a high-speed train. When a collision accident happens, no matter the anti-climbing energy absorption device adopts honeycomb energy absorption, expansion pipes or planing energy absorption, a certain retreating space is reserved to ensure the effectiveness and the integrity of an energy absorption stroke, namely, the installation space of the vehicle body needs to reserve the space of the anti-climbing energy absorption device and the retreating space of the anti-climbing energy absorption device, so that the space position which does not participate in energy absorption is reserved in the narrow vehicle body space, the structure of the end part of a head vehicle can be lengthened, the corresponding structural size is increased, the installation and the manufacturing are difficult, the production and the manufacturing cost is increased, and the economical efficiency is poor.
Disclosure of Invention
An object of the embodiment of the application is to provide an anti-creep energy-absorbing device, and the problem that a large amount of retreating spaces need to be reserved in the anti-creep energy-absorbing device in the prior art is solved.
To achieve the above object, according to one aspect of the present application, there is provided an anti-creep energy-absorbing device including: the energy absorption device comprises an installation part, a guide part and an energy absorption part, wherein the guide part is installed on the installation part and comprises a first guide section and a second guide section, the cross section perpendicular to the axial direction of the guide part is a first cross section, and the area of any first cross section of the first guide section is smaller than or equal to that of the first cross section of the first end of the second guide section; the area of the first cross section of the second guide section is gradually increased in the direction from the first end of the second guide section to the second end of the second guide section; the first ends of the first guide section and the second guide section are connected; the energy absorption part comprises an energy absorption sleeve, the energy absorption sleeve is movably sleeved on the first guide section along the length direction of the guide part, and the first end of the energy absorption sleeve is used for bearing collision; under the condition that the first end of the energy-absorbing sleeve is collided, the energy-absorbing sleeve moves towards the second guide section along the first guide section, and the energy-absorbing sleeve cracks along the peripheral side of the second guide section and is discharged outwards.
Optionally, the second end of the energy-absorbing sleeve is provided with a cracking guide groove, the length direction of the cracking guide groove extends along the axial direction of the energy-absorbing sleeve, and the second guide section can crack along the cracking guide groove under the condition that the first end of the energy-absorbing sleeve is collided.
Optionally, the anti-creep energy-absorbing device comprises a cutting part, the cutting part is mounted at one end of the mounting part close to the energy-absorbing part, and the second end of the energy-absorbing sleeve is abutted to the cutting part.
Optionally, the cutting portion is located at the junction of the first guide section and the second guide section.
Optionally, the installation department includes the base, and the base is provided with the first bin outlet that holds the chamber and communicate with the first chamber that holds, and energy-absorbing sheathed tube second end sets up in the first intracavity that holds, and the energy-absorbing sleeve pipe after splitting is discharged from the bin outlet.
Optionally, the energy absorbing portion further comprises an energy absorbing piece, a second accommodating cavity is formed by surrounding the energy absorbing sleeve, the guide portion and the mounting portion, and the energy absorbing piece is filled in the second accommodating cavity.
Optionally, the energy absorbing member is in clearance fit with the inner side wall of the energy absorbing sleeve.
Optionally, the first guide section and the second guide section are both hollow structures.
Optionally, the anti-creep energy-absorbing device further comprises an anti-creep part, and the anti-creep part is connected with the first end of the energy-absorbing sleeve.
Optionally, the anti-creep portion includes anti-creep toothed plate and a plurality of anti-creep teeth, and each anti-creep tooth sets up in anti-creep toothed plate and energy-absorbing bushing's opposite one side, and the equal parallel arrangement of each anti-creep tooth.
The application provides an anti-creep energy-absorbing device's beneficial effect lies in: compared with the prior art, the guide part includes first direction section and second direction section, and the first direction section is located to the movably cover of energy-absorbing sleeve pipe along the guide part, make under the sheathed tube first end of energy-absorbing receiving the condition of collision, the energy-absorbing sleeve pipe moves to second direction section direction along first direction section, and the guide part is unmovable, because the area of the first cross section of second direction section is crescent on the sheathed tube direction of movement of energy-absorbing, thereby make the energy-absorbing sleeve pipe expand outward along the week side of second direction section and split and discharge under the extrusion, consequently, rail train need not reserve the space of retreating for the guide part when installation anti-creep energy-absorbing device, do not occupy the installation space of automobile body, thereby realize saving automobile body space.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an anti-creep energy-absorbing device provided in an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of an anti-creep energy-absorbing device provided in an embodiment of the present application;
FIG. 3 is a schematic assembly view of a mounting part of the anti-creep energy-absorbing device provided by the embodiment of the application;
FIG. 4 is a schematic structural diagram of a mounting part of the anti-creep energy-absorbing device provided by the embodiment of the application;
FIG. 5 is a schematic diagram of a cutter arrangement of an anti-creep energy-absorbing device provided by an embodiment of the application;
FIG. 6 is a schematic structural diagram of a sealing plate of the anti-creep energy-absorbing device according to the embodiment of the present application;
FIG. 7 is a schematic structural diagram of an anti-creep portion of an anti-creep energy-absorbing device according to an embodiment of the present application.
Reference numerals referred to in the above figures are detailed below:
10. an anti-creep section; 101. an anti-creep toothed plate; 102. anti-climbing teeth; 103. an outer flange; 104. an inner flange;
20. a cutting portion; 201. a cutter; 202. a screw;
30. a guide portion; 301. a first guide section; 302. a second guide section;
40. an energy absorbing portion; 401. an energy-absorbing sleeve; 402. an energy absorbing member;
50. an installation part; 501. a first accommodating chamber; 502. a discharge outlet; 503. and (7) closing the plate.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.
As described in the background art, in the conventional anti-creep energy-absorbing device, such as a planing type anti-creep energy-absorbing device, an energy-absorbing element is formed by cutting an energy-absorbing profile by using a cutter, the energy-absorbing device is crushed and deformed in a collision accident, and a certain retreating space is reserved behind the energy-absorbing device to ensure sufficient energy-absorbing energy, so that the space utilization rate is low. Therefore, the anti-climbing energy absorption device which needs a retreating space is widely adopted in the field of passive safety protection, after the anti-climbing energy absorption device is crushed and deformed, the anti-climbing energy absorption device can complete the whole energy absorption process without needing the retreating space, the miniaturization and the light weight of the anti-climbing energy absorption device are realized, and the anti-climbing energy absorption device has practical and urgent significance.
Referring to fig. 1 and 2, in order to solve the above problems, according to one aspect of the present application, an embodiment of the present application provides a climbing-prevention energy-absorbing device, including: the energy absorption part 40 comprises a mounting part 50, a guide part 30 and an energy absorption part 30, wherein the guide part 30 comprises a first guide section 301 and a second guide section 302, wherein the cross section perpendicular to the axial direction of the guide part 30 is a first cross section, and the area of any first cross section of the first guide section 301 is smaller than or equal to the area of the first cross section of the first end of the second guide section 302; the area of the first cross section of the second guide section 302 gradually increases in the direction from the first end of the second guide section 302 to the second end of the second guide section 302; the first ends of the first guide section 301 and the second guide section 302 are connected; the energy absorption part 40 comprises an energy absorption sleeve 401, the energy absorption sleeve 401 is movably sleeved on the first guide section 301 along the length direction of the guide part 30, and a first end of the energy absorption sleeve 401 is used for bearing collision; in the event that the first end of the energy-absorbing sleeve 401 is impacted, the energy-absorbing sleeve 401 moves along the first guide section 301 toward the second guide section 302, and the energy-absorbing sleeve 401 splits along the peripheral side of the second guide section 302 and is discharged outward.
By applying the technical scheme of the invention, under the condition that a train is collided, the energy-absorbing sleeve 401 of the anti-climbing energy-absorbing device moves towards the direction of the end part of the train body relative to the guide part 30, because the area of the first cross section of the second guide section 302 is gradually increased in the direction from the first guide section 301 to the second guide section 302, the energy-absorbing sleeve 401 expands and deforms outwards along the peripheral side of the second guide section 302 under the action of collision force until the energy-absorbing sleeve cracks and absorbs energy and then is discharged. The guide portion 30 is attached to the vehicle body end portion via the attachment portion 50.
Referring to fig. 3, preferably, the energy-absorbing bushing 401 and the first guiding section 301 are cylindrical, and the second guiding section 302 is a truncated cone, and a radius of one end of the truncated cone close to the first guiding section 301 is smaller than a radius of the second end of the truncated cone.
In an alternative embodiment, the second end of the energy absorbing sleeve 401 is provided with a crack guide groove (not shown in the figures), the length direction of the crack guide groove extends along the axial direction of the energy absorbing sleeve 401, and the second guide section 302 can crack along the crack guide groove in case of collision of the first end of the energy absorbing sleeve 401. It should be noted that the second end of the energy-absorbing sleeve 401 is opposite to the first end of the energy-absorbing sleeve 401, and the second end of the energy-absorbing sleeve 401 is close to the guide portion 30, so that the energy-absorbing sleeve 401 can more smoothly crack along the length direction of the cracking guide groove under the action of the collision force by presetting the cracking guide groove on the energy-absorbing sleeve 401. In practical applications, the crack guide grooves can be arranged in various ways, for example, a plurality of crack guide grooves are arranged at intervals along the circumferential direction of the energy-absorbing sleeve 401.
Referring to fig. 3 and 5, the anti-creep and energy-absorbing device in the present embodiment includes a cutting portion 20, the cutting portion 20 is mounted on one end of the mounting portion 50 near the energy-absorbing portion 40, and a second end of the energy-absorbing sleeve 401 abuts against the cutting portion 20. In an embodiment of the present application, the cutting portion 20 includes a plurality of cutters 201 for cutting, the plurality of cutters 201 are disposed at intervals along a circumferential direction of the second end of the energy-absorbing sleeve 401, and under the action of the impact force, each cutter 201 cuts the energy-absorbing sleeve 401 from the second end of the energy-absorbing sleeve 401 to the first end of the energy-absorbing sleeve 401, so as to cut the energy-absorbing sleeve 401 into strips, thereby enabling the energy-absorbing sleeve 401 to crack more smoothly.
Referring to fig. 3, as a preferable mode, the cutting portion 20 is located at the connection position of the first guide section 301 and the second guide section 302, so that the anti-creep energy-absorbing device is prevented from generating an energy-absorbing effect before the impact force reaches a preset value, and the anti-creep energy-absorbing device can be discharged outwards as soon as possible after the anti-creep energy-absorbing device completely absorbs energy, so as to reduce the weight of the vehicle body.
In an embodiment of the application, the energy-absorbing sleeve 401 is a glass fiber reinforced polyurethane composite tube with strong vertical resistance, so that the anti-creep energy-absorbing device is light in weight and has good vertical bearing capacity.
Compared with the prior art, in the process that the anti-climbing energy-absorbing device is crushed and deformed, the energy-absorbing rear energy-absorbing sleeve 401 expands and cracks along the periphery of the second guide section 302, the guide part 30 does not need to move towards the end part of a train, the rear mounting space of a train body is not occupied, zero retreating space is realized, and the space waste and the cost waste of the traditional energy-absorbing element in crushing and the requirement of retreating space to meet all energy-absorbing strokes are avoided.
Referring to fig. 1 to 5, the mounting portion 50 in this embodiment includes a base, the base is provided with a first accommodating chamber 501 and a discharge opening 502 communicated with the first accommodating chamber 501, a second end of the energy-absorbing sleeve 401 is disposed in the first accommodating chamber 501, and the cracked energy-absorbing sleeve 401 is discharged from the discharge opening 502.
Referring to fig. 3 and 6, in one embodiment of the present application, the first receiving cavity 501 has openings at both ends, one of the openings is closed by one end surface of a cover plate 503, the other end surface of the cover plate 503 is fixed to the front end of the vehicle body, and the second end of the energy absorbing bushing 401 is mounted into the first receiving cavity 501 through the other opening. In this embodiment, the base can be formed by machining an aluminum profile, the first accommodating cavity 501 in the base is used for installing the energy-absorbing sleeve 401 and the cutter 201, wherein the cutter 201 is fixedly installed on the inner side wall of the first accommodating cavity 501 through a screw 202, the inner diameter of the first accommodating cavity 501 is determined by the outer diameter of the energy-absorbing sleeve 401, and the depth of the first accommodating cavity 501 is required to ensure that the energy-absorbing sleeve 401 is stably installed.
Referring to fig. 4, as a preferred mode, a plurality of discharge ports 502 are provided, and the plurality of discharge ports 502 are arranged at intervals along the peripheral side of the first accommodating cavity 501, so that under a collision condition, the energy-absorbing sleeve 401 expands, deforms, cracks and absorbs energy through the second guide section 302, and the energy-absorbing sleeve 401 after absorbing energy is discharged through the plurality of discharge ports 502 reserved around the mounting portion 50, so that a retreat space of the anti-creep energy-absorbing device is not required to be reserved, the vehicle body space is saved, the vehicle body weight is reduced, and the vehicle is more economical.
In another embodiment of the present application, the mounting portion 50 includes a base and a tool mounting seat, one end of the base is connected to the second guiding section 302, the other end of the base is connected to the end of the vehicle body, and the tool 201 is mounted at the joint of the first guiding section 301 and the second guiding section 302 through the tool mounting seat.
Referring to fig. 2 and 5, the energy absorbing portion 40 in this embodiment further includes an energy absorbing member 402, a second accommodating cavity is defined by the energy absorbing sleeve 401, the guiding portion 30 and the mounting portion 50, and the energy absorbing member 402 is filled in the second accommodating cavity. When the anti-creep energy-absorbing device is crushed, the energy-absorbing member 402 is crushed, deformed and absorbed, so as to further improve the energy-absorbing capacity of the energy-absorbing part 40.
In one embodiment of the present application, energy absorbing member 402 is fabricated from a porous material, which can be selected from foam, honeycomb, and the like. For example, in the process of buffering and energy absorption, the regular hexagonal aluminum honeycomb core is subjected to plastic deformation along the axial direction, so that impact energy is converted into metal plastic deformation energy.
Referring to fig. 2 and 5, the energy absorbing member 402 of the present embodiment is a clearance fit with the inner sidewall of the energy absorbing sleeve 401. It should be noted that, when the anti-creep energy-absorbing device is crushed, the energy-absorbing member 402 is deformed by being pressed, and the energy-absorbing member 402 is in clearance fit with the inner side wall of the energy-absorbing sleeve 401, so that the energy-absorbing sleeve 401 is prevented from being damaged by the deformation of the energy-absorbing member 402.
Referring to fig. 2 and 5, each of the first guide section 301 and the second guide section 302 in this embodiment has a hollow structure.
In an embodiment of the application, the energy absorbing part 40 is formed by combining a glass fiber reinforced polyurethane composite tube with an internal aluminum honeycomb core, the anti-climbing energy absorbing device is on the basis of ensuring excellent energy absorbing performance, a discharge port 502 is arranged on a base, meanwhile, on the premise that the peak load does not exceed a working condition allowable value, when the anti-climbing energy absorbing device is crushed, the glass fiber reinforced polyurethane composite tube is cut by a cutter 201, the guide part 30 expands outwards to deform and absorb energy, an energy absorbing sleeve 401 after absorbing energy is discharged through the discharge port 502 reserved around the base, meanwhile, the aluminum honeycomb core is crushed and deformed, the deformed aluminum honeycomb core is left in the guide part 30, zero retreat space is realized, the space utilization rate of the anti-climbing energy absorbing device is improved, and the purposes of weight reduction and strong vertical resistance of the anti-climbing energy absorber are achieved.
Referring to fig. 1 and 2, the anti-creep energy-absorbing device in the embodiment further includes an anti-creep portion 10, and the anti-creep portion 10 is connected to the first end of the energy-absorbing sleeve 401. The anti-climbing energy-absorbing device also has an anti-climbing function, and the anti-climbing parts 10 of the anti-climbing energy-absorbing devices of the two trains are mutually occluded during collision, so that restraint is formed in the height direction of the trains, and the trains are prevented from climbing under the action of collision force to cause greater loss.
Referring to fig. 7, the anti-creep portion 10 in the present embodiment includes an anti-creep toothed plate 101 and a plurality of anti-creep teeth 102, each anti-creep tooth 102 is disposed on an opposite side of the anti-creep toothed plate 101 to the energy-absorbing sleeve 401, and each anti-creep tooth 102 is disposed in parallel.
In one embodiment of the present application, an outer flange 103 and an inner flange 104 are disposed on one side of the anti-creep toothed plate 101 connected to the energy-absorbing sleeve 401, the inner flange 104 is disposed on the inner side of the outer flange 103, and an annular mounting groove is formed between the inner flange 104 and the outer flange 103. The energy absorbing piece 402 is arranged on the inner side of the inner flange 104, the first end of the energy absorbing sleeve 401 close to the anti-climbing part 10 is arranged in the installation groove, and the installation groove is in interference fit with the energy absorbing sleeve 401, so that the anti-climbing energy absorbing device is stable in structure.
In conclusion, the anti-climbing energy absorbing device provided by the embodiment at least has the following beneficial technical effects: through setting up guide part 30, bin outlet 502 is reserved to energy-absorbing portion 40 and installation department 50, wherein energy-absorbing portion 40 includes energy-absorbing sleeve pipe 401 and fills at the inside energy-absorbing piece 402 of energy-absorbing sleeve pipe 401, when the striking takes place, energy-absorbing sleeve pipe 401 and energy-absorbing piece 402 take place to warp simultaneously, inside energy-absorbing piece 402 compression deformation after the compression, energy-absorbing piece 402 after the compression stays inside guide part 30, and outside energy-absorbing sleeve pipe 401 is through cutting portion 20 cutting and along the outer energy-absorbing that expands of guide part 30, and energy-absorbing rear end energy-absorbing sleeve pipe 401 is from reserving bin outlet 502 discharge, the energy-absorbing stroke is gone on last time, energy-absorbing piece 402 compression is advanced in guide part 30, outside energy-absorbing sleeve pipe 401 is broken to be discharged and is dropped, therefore, the anti-creep energy-absorbing device of this application does not need the recoil space, can save the automobile body space greatly, lighten automobile body weight, simultaneously, economic cost is saved.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (10)
1. An anti-creep energy-absorbing device, comprising:
a mounting portion (50);
a guide portion (30), wherein the guide portion (30) is mounted on the mounting portion (50), the guide portion (30) comprises a first guide section (301) and a second guide section (302), wherein a cross section perpendicular to an axial direction of the guide portion (30) is a first cross section, and an area of any one first cross section of the first guide section (301) is smaller than or equal to an area of the first cross section of a first end of the second guide section (302); the area of the first cross section of the second guide section (302) gradually increases in the direction from the first end of the second guide section (302) to the second end of the second guide section (302); the first end of the first guide section (301) and the first end of the second guide section (302) are connected;
the energy absorption part (40) comprises an energy absorption sleeve (401), the energy absorption sleeve (401) is movably sleeved on the first guide section (301) along the length direction of the guide part (30), and the first end of the energy absorption sleeve (401) is used for bearing collision;
under the condition that the first end of the energy-absorbing sleeve (401) is collided, the energy-absorbing sleeve (401) moves towards the direction of the second guide section (302) along the first guide section (301), and the energy-absorbing sleeve (401) is split along the peripheral side of the second guide section (302) and is discharged outwards.
2. The device according to claim 1, characterized in that the energy-absorbing sleeve (401) is provided at its second end with a crack guide slot, the length of which extends in the axial direction of the energy-absorbing sleeve (401), along which the second guide section (302) can crack in the event of a collision at the first end of the energy-absorbing sleeve (401).
3. The device according to claim 1, characterized in that it comprises a cutting portion (20), said cutting portion (20) being mounted at the end of said mounting portion (50) close to said energy absorbing portion (40), and the second end of said energy absorbing bushing (401) being in abutment with said cutting portion (20).
4. The device according to claim 3, characterized in that the cutting portion (20) is located at the junction of the first guide section (301) and the second guide section (302).
5. The anti-creep energy-absorbing device according to any one of claims 1 to 4, wherein the mounting portion (50) comprises a base, the base is provided with a first accommodating cavity (501) and a discharge opening (502) communicated with the first accommodating cavity (501), the second end of the energy-absorbing sleeve (401) is arranged in the first accommodating cavity (501), and the cracked energy-absorbing sleeve (401) is discharged from the discharge opening (502).
6. The anti-creep energy-absorbing device according to claim 1, wherein the energy-absorbing part (40) further comprises an energy-absorbing member (402), the energy-absorbing sleeve (401), the guiding part (30) and the mounting part (50) surround to form a second accommodating cavity, and the energy-absorbing member (402) is filled in the second accommodating cavity.
7. Anti-creep energy-absorbing device according to claim 6, characterized in that the energy-absorbing element (402) is a clearance fit with the inner side wall of the energy-absorbing sleeve (401).
8. The device according to claim 6, characterized in that the first guide section (301) and the second guide section (302) are both hollow structures.
9. The device according to claim 1, characterized in that it further comprises an anti-creep part (10), said anti-creep part (10) being connected with the first end of the energy-absorbing bushing (401).
10. The anti-creep and energy-absorbing device according to claim 9, wherein the anti-creep part (10) comprises an anti-creep toothed plate (101) and a plurality of anti-creep teeth (102), each anti-creep tooth (102) is arranged on the opposite side of the anti-creep toothed plate (101) connected with the energy-absorbing sleeve (401), and each anti-creep tooth (102) is arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210310589.XA CN114604285B (en) | 2022-03-28 | 2022-03-28 | Anti-creeping energy-absorbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210310589.XA CN114604285B (en) | 2022-03-28 | 2022-03-28 | Anti-creeping energy-absorbing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114604285A true CN114604285A (en) | 2022-06-10 |
| CN114604285B CN114604285B (en) | 2023-07-14 |
Family
ID=81867076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210310589.XA Active CN114604285B (en) | 2022-03-28 | 2022-03-28 | Anti-creeping energy-absorbing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114604285B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115158388A (en) * | 2022-08-04 | 2022-10-11 | 中南大学 | Contraction type deflection-preventing energy-absorbing anti-climbing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009072843A2 (en) * | 2007-12-06 | 2009-06-11 | Korea Railroad Research Institute | Tube-buffer for railway vehicles |
| JP3164256U (en) * | 2010-09-09 | 2010-11-18 | ボイス パテント ゲーエムベーハーＶｏｉｔｈ Ｐａｔｅｎｔ ＧｍｂＨ | Shock absorber |
| CN103818402A (en) * | 2014-03-13 | 2014-05-28 | 西南交通大学 | Energy absorbing anti-creep device for track traffic vehicles |
| CN106956685A (en) * | 2017-05-03 | 2017-07-18 | 西南交通大学 | A kind of energy-absorbing anti-creep device |
| CN107512281A (en) * | 2017-07-11 | 2017-12-26 | 中车青岛四方机车车辆股份有限公司 | Energy-absorbing anti-creeper and there is its rail vehicle |
| CN111267894A (en) * | 2020-03-16 | 2020-06-12 | 哈尔滨工业大学 | Combined energy absorber |
| CN111845830A (en) * | 2020-08-25 | 2020-10-30 | 中车青岛四方车辆研究所有限公司 | Train passive collision energy-absorbing device and rail train |
| CN113830128A (en) * | 2021-09-07 | 2021-12-24 | 中车株洲电力机车有限公司 | Metal energy absorption device |
-
2022
- 2022-03-28 CN CN202210310589.XA patent/CN114604285B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009072843A2 (en) * | 2007-12-06 | 2009-06-11 | Korea Railroad Research Institute | Tube-buffer for railway vehicles |
| JP3164256U (en) * | 2010-09-09 | 2010-11-18 | ボイス パテント ゲーエムベーハーＶｏｉｔｈ Ｐａｔｅｎｔ ＧｍｂＨ | Shock absorber |
| CN103818402A (en) * | 2014-03-13 | 2014-05-28 | 西南交通大学 | Energy absorbing anti-creep device for track traffic vehicles |
| CN106956685A (en) * | 2017-05-03 | 2017-07-18 | 西南交通大学 | A kind of energy-absorbing anti-creep device |
| CN107512281A (en) * | 2017-07-11 | 2017-12-26 | 中车青岛四方机车车辆股份有限公司 | Energy-absorbing anti-creeper and there is its rail vehicle |
| CN111267894A (en) * | 2020-03-16 | 2020-06-12 | 哈尔滨工业大学 | Combined energy absorber |
| CN111845830A (en) * | 2020-08-25 | 2020-10-30 | 中车青岛四方车辆研究所有限公司 | Train passive collision energy-absorbing device and rail train |
| CN113830128A (en) * | 2021-09-07 | 2021-12-24 | 中车株洲电力机车有限公司 | Metal energy absorption device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115158388A (en) * | 2022-08-04 | 2022-10-11 | 中南大学 | Contraction type deflection-preventing energy-absorbing anti-climbing device |
| CN115158388B (en) * | 2022-08-04 | 2023-12-05 | 中南大学 | Shrinkage type deflection-preventing energy-absorbing anti-climbing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114604285B (en) | 2023-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2792570B1 (en) | Troubleshooting and energy absorbing device and leading car of motor train unit | |
| EP3424794B1 (en) | Collision energy absorption apparatus for rail vehicles | |
| CN202783043U (en) | Automobile energy adsorption box | |
| CN103818402A (en) | Energy absorbing anti-creep device for track traffic vehicles | |
| CN205292666U (en) | Rail vehicle anticreeper | |
| CN106672010A (en) | Motor train unit head train passive safety protection device | |
| CN109131178B (en) | Novel front anti-collision beam assembly of automobile | |
| CN112706794B (en) | Multi-stage spiral cutting type structure design method for coupled crushing and energy-absorbing anti-climbing device | |
| CN114604285A (en) | Anti-climbing energy-absorbing device | |
| CN206288027U (en) | A kind of EMUs head car passive security protector | |
| CN102358319A (en) | Energy-absorbing anticreeper of urban railway train | |
| CN112622973B (en) | Spiral progressive cutting type impact energy dissipation method and device for vehicle | |
| CN213083094U (en) | Automobile front bumper anti-collision beam | |
| CN210971086U (en) | Energy-absorbing anti-climbing device for railway vehicle | |
| CN210416565U (en) | Buffering energy-absorbing device | |
| CN110816579A (en) | Energy-absorbing anti-climbing device for railway vehicle | |
| CN203766810U (en) | Energy absorbing anti-climbing device for rail transit vehicle | |
| CN109367561B (en) | Cutting type energy-absorbing anti-creeper for railway vehicle | |
| CN112298256A (en) | Vehicle anti-climbing energy-absorbing device | |
| CN212098864U (en) | Energy absorption device capable of saving train head installation space | |
| CN212709293U (en) | Lightweight car bumper crossbeam | |
| CN210734074U (en) | Preceding crashproof roof beam structure and car | |
| EP4190668A1 (en) | Deformable tube, coupler cushioning energy-absorption device for rail transit vehicle, and rail vehicle | |
| CN109515468B (en) | Energy-absorbing anti-creeper of composite railway vehicle | |
| CN114312896A (en) | Energy absorption structure of railway vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |