CN203268053U - Heavy-load locomotive protection device - Google Patents
Heavy-load locomotive protection device Download PDFInfo
- Publication number
- CN203268053U CN203268053U CN 201320296469 CN201320296469U CN203268053U CN 203268053 U CN203268053 U CN 203268053U CN 201320296469 CN201320296469 CN 201320296469 CN 201320296469 U CN201320296469 U CN 201320296469U CN 203268053 U CN203268053 U CN 203268053U
- Authority
- CN
- China
- Prior art keywords
- absorbing
- power
- energy disperser
- energy
- protection device
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Seats For Vehicles (AREA)
Abstract
The utility model discloses a heavy-load locomotive protection device. The heavy-load locomotive protection device aims to solve the problem that an existing heavy-load locomotive protection device can not play a role in protection. The heavy-load locomotive protection device comprises a coupler, a slave plate, a buffer, an impact seat and a deformation and energy absorbing element. According to the heavy-load locomotive protection device, because the buffer, the deformation and energy absorbing element and an impact seat energy absorbing element can be combined together according to a certain design sequence, when a locomotive normally operates, abnormally collides with other things and is abnormally impacted, the buffer, the deformation and energy absorbing element and the impact seat energy absorbing element sequentially act, application cost can be saved to the maximum degree, and the heavy-load locomotive protection device can play a role in protection to the maximum degree.
Description
Technical field
The utility model relates to locomotive fender guard field, is specially a kind of heavy loading locomotive fender guard.
Background technology
The collision prevention device of present heavy loading locomotive: a kind of is to absorb energy with energy disperser, as shown in Figure 1.When locomotive is impacted or collide, pass to energy disperser after hitch is stressed, if impulsive force during less than the energy disperser maximum resistance, energy disperser is by compression and the reply of one or many, will impact or collision energy dissipates; During greater than the energy disperser maximum resistance, energy disperser is crushed to death, and becomes rigidity, if impulsive force is excessive, can damage locomotive and driver and conductor when impulsive force.The second is at the energy disperser afterbody, the distortion power-absorbing to be housed, utilize energy disperser and distortion power-absorbing to come energy-absorbing, this mode is due to the restriction that is subjected to draw gear shoulder with the striker distance, is that the energy absorption of distortion power-absorbing of design is limited or be that the distortion power-absorbing can not be brought into play its whole effects; The third is on the hitch top of car body front end, striker to be housed, and wish to carry out certain protection when overload, but this mode is because the design of distortion triggering power is unreasonable, does not have the protection metamorphosis or effect is extremely limited.
The utility model content
The deficiency that is difficult to play a protective role in order to overcome existing heavy loading locomotive fender guard; the utility model aims to provide a kind of heavy loading locomotive fender guard; this fender guard is pressed certain design sequence with energy disperser, distortion power-absorbing, striker power-absorbing; the three is combined; when locomotive normally moves and is subject to abnormal collision, impact; work in order, can save to greatest extent the utilization cost, can play a protective role to greatest extent again.
To achieve these goals, the technical scheme that adopts of the utility model is:
A kind of heavy loading locomotive fender guard comprises the hook tail frame that is contained in coupler pocket, hitch, slave plate, energy disperser, distortion power-absorbing and at the striker power-absorbing of coupler pocket outside; Its constructional feature is, described hitch is connected by hook pin with hook tail frame, described striker power-absorbing is fixed on draw beam and (can for convenience detachly changes), described energy disperser is contained in hook tail frame, slave plate is contained between coupler butt and energy disperser, and described distortion power-absorbing is fixed on the afterbody in coupler pocket and contacts with energy disperser; Distance L between the hook shoulder of described striker power-absorbing and hitch is that the range L1 of energy disperser adds 20mm ~ 30mm;
Distance L between the hook shoulder of described striker power-absorbing and hitch is that the range L1 of energy disperser adds 20mm ~ 30mm; The extreme length L2 of described distortion power-absorbing plastic deformation is that the length of striker power-absorbing plastic deformation adds 20mm ~ 30mm;
The maximum resistance of described energy disperser is not more than the maximum compression load F that car body can bear; The span that the static state of described distortion power-absorbing plastic deformation triggers power F2 is 1.0F＜F2＜1.1F, and the span that the static state of described striker power-absorbing plastic deformation triggers power F3 is 500KN ~ 800KN, and F2+F3＜1.28F.
The method of utilizing heavy loading locomotive fender guard of the present utility model that heavy loading locomotive is protected is as follows:
1) when locomotive normally moved, connects extension, braking, the impact energy of generation was only absorbed by energy disperser;
2) be subject to the collision impact of improper utilization when locomotive, and its energy is less than the energy of energy disperser and the static state triggering power F of distortion power-absorbing plastic deformation
2* (during 20～30mm) * performance coeffcient, 0.85 sum, adopt two-stage anticollision impact protection device protection locomotive:
First order anticollision impact protection device is comprised of hitch, hook tail frame, slave plate, energy disperser, and during less than the energy of energy disperser, first order anticollision impacting start, power-absorbing are energy disperser when the impact energy;
Second stage anticollision impact protection device is comprised of hitch, hook tail frame, slave plate, energy disperser, distortion power-absorbing, when the impact energy greater than the energy of energy disperser but trigger power F less than the static state of the energy of energy disperser and distortion power-absorbing plastic deformation
2* (during 20～30mm) * performance coeffcient, 0.85 sum, be out of shape power-absorbing this moment plastic deformation absorption energy partly occurs;
3) be subject to the collision impact of improper utilization when locomotive, and its energy is greater than the energy of energy disperser and the static state triggering power F of distortion power-absorbing plastic deformation
2* (during 20～30mm) * performance coeffcient, 0.85 sum, adopt three grades of anticollision impact protection device protection locomotives:
First order anticollision impact protection device is comprised of hitch, hook tail frame, slave plate, energy disperser, and power-absorbing is energy disperser;
Second stage anticollision impact protection device is comprised of hitch, hook tail frame, slave plate, energy disperser, distortion power-absorbing, is out of shape power-absorbing this moment plastic deformation absorption energy partly occurs;
Third stage anticollision impact protection device is comprised of hitch, hook tail frame, slave plate, energy disperser, distortion power-absorbing, striker power-absorbing, is out of shape the remaining undeformable part of power-absorbing and striker power-absorbing this moment plastic deformation absorption energy occurs jointly.
By said structure, the utility model by certain method of designing, is combined energy disperser, distortion power-absorbing, striker power-absorbing with the three, when locomotive normally moves with abnormal collision, impact, work in order, and the formation three-level protective.Concrete guard method is:
The maximum compression load F that can bear take car body selects the maximum resistance of energy disperser to be not more than F as benchmark.
The span that the static state of distortion power-absorbing plastic deformation triggers power F2 is 1.0F＜F2＜1.1F, and the span that the static state of striker power-absorbing plastic deformation triggers power F3 is 500KN ~ 800KN, F2+F3＜1.28F; The distance L of striker power-absorbing tip to face distance hook shoulder equals the range L1+(20mm of energy disperser ~ 30mm); The extreme length L2 of distortion power-absorbing plastic deformation equals the (length of 20mm ~ 30mm)+striker power-absorbing plastic deformation.Move, connect under extension, brake condition normal, the energy that produces is absorbed by energy disperser; At abnormal running, when Minor Accident occurs, adopt second stage protection; Generation is adopted third stage protection during than serious accident.
When locomotive normally moved, connects extension, braking, the impact energy of generation was absorbed by energy disperser.Distortion power-absorbing, striker power-absorbing do not play the distortion energy-absorbing function.
When locomotive is subject to less abnormal collision impact, adopt two-stage anticollision surge protection:
When impacting or collision energy during less than the energy of energy disperser, first order anticollision impact protection device is comprised of hitch, hook tail frame, slave plate, energy disperser, and power-absorbing is energy disperser.
When impact or collision energy greater than the energy of energy disperser and less than the energy+F of energy disperser
2During * (20～30mm) * 0.85(performance coeffcient), second stage anticollision impact protection device is comprised of hitch, hook tail frame, slave plate, energy disperser, distortion power-absorbing, and the thin circular cylinder that is out of shape power-absorbing this moment plastic deformation partly occurs absorbs energy.
The impact that is subject to when locomotive or collision energy are greater than the energy+F of energy disperser
2During * (20～30mm) * 0.85(performance coeffcient), adopt three grades of anticollision surge protections:
First order anticollision impact protection device is comprised of hitch, hook tail frame, slave plate, energy disperser, and power-absorbing is energy disperser.
Second stage anticollision impact protection device is comprised of hitch, hook tail frame, slave plate, energy disperser, distortion power-absorbing, and the thin circular cylinder that is out of shape power-absorbing this moment plastic deformation partly occurs absorbs energy.
As shown in Figure 2; third stage anticollision impact protection device is comprised of hitch, hook tail frame, slave plate, energy disperser, distortion power-absorbing, striker power-absorbing, and this moment, plastic deformation absorption energy occured remaining thin circular cylinder part and the striker power-absorbing that is not out of shape power-absorbing jointly.When the energy that this moment, the heavy loading locomotive fender guard absorbed is normal endergonic 6～7 times, and the power-absorbing that damages is all the parts that easily are replaced.
Compared with prior art, the beneficial effects of the utility model are:
1) when locomotive is subject to larger abnormal impact, when adopting three-level protective, absorb energy large, can better protect train and driver and conductor's safety.
2) the bolt mounting means of distortion power-absorbing of the present utility model, striker power-absorbing and car body, it is convenient to change, and cost is low.
Below in conjunction with drawings and Examples, the utility model is further elaborated.
Description of drawings
Fig. 1 is the structural representation of existing heavy loading locomotive energy-dissipating protection device;
Fig. 2 is the structure principle chart of an embodiment of the utility model.
In the drawings
The 1-hitch; The 2-slave plate; 3-hook tail frame; The 4-energy disperser; 5-striker power-absorbing; 6-is out of shape power-absorbing.
The specific embodiment
A kind of heavy loading locomotive fender guard as shown in Figure 2, comprises the hitch 1 that is contained on hook tail frame 3, and the afterbody of this hitch 1 is fixedly connected with slave plate 2; On described hitch 1, striker power-absorbing 5 is housed, be fixedly connected with the energy disperser 4 that is contained in hook tail frame 3 on described slave plate 2, the afterbody of described energy disperser 4 is fixedly connected with distortion power-absorbing 6, and the maximum compression load F that whole heavy loading locomotive car body can bear is 3000kN; The capacity of energy disperser 4 is 100kJ, and range L1 is 73mm, and maximum resistance is 2500kN; It is 3050kN that the static state of distortion power-absorbing 6 plastic deformation triggers power F2, and maximum distortion distance L 2 is 180mm, and minimum dynamic energy absorption amount is 450kJ; It is 750kN that the static state of striker power-absorbing 5 plastic deformation triggers power F3, and the maximum distortion distance is 151mm.
When the impact of train, when impact force is not more than 3050kN, energy disperser 4 passes through repeatedly crank motion impact-absorbing, collision energy.
During greater than 3050kN, first order anticollision surge protection starts when the impact of train, impact force, and energy disperser 4 absorbs (storage is not to consume) 122kJ, and energy disperser 4 is crushed to death, and becomes firm body; Then second stage anticollision surge protection starts, and distortion power-absorbing 6 begins to occur plastic deformation, and when deformation length was 29mm, distortion power-absorbing 6 absorbed approximately 81kJ, the energy of the coabsorption 203kJ of system; When the impact of train, when collision is not completely absorbed; third stage anticollision surge protection starts, and plastic deformation all occurs for striker power-absorbing 5 and distortion power-absorbing 6, when finishing to final plastic deformation; striker power-absorbing 5 energy-absorbings are 90kJ, and system is energy-absorbing 665kJ altogether.
The content that above-described embodiment is illustrated should be understood to these embodiment and only is used for being illustrated more clearly in the utility model, and be not used in the restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
Claims (1)
1. heavy loading locomotive fender guard comprises the hook tail frame (3) that is contained in coupler pocket, hitch (1), slave plate (2), energy disperser (4), distortion power-absorbing (6) and at the striker power-absorbing (5) of coupler pocket outside; It is characterized in that, described hitch (1) is connected by hook pin with hook tail frame (3), described striker power-absorbing (5) is fixed on draw beam, described energy disperser (4) is contained in hook tail frame (3), slave plate (2) is contained between hitch (1) afterbody and energy disperser (4), and described distortion power-absorbing (6) is fixed on the afterbody in coupler pocket and contacts with energy disperser (4); Distance L between the hook shoulder of described striker power-absorbing (5) and hitch (1) is that the range L1 of energy disperser (4) adds 20mm ~ 30mm;
The extreme length L2 of described distortion power-absorbing (6) plastic deformation is that the length of striker power-absorbing (5) plastic deformation adds 20mm ~ 30mm;
The maximum resistance of described energy disperser (4) is not more than the maximum compression load F that car body can bear; The span that the static state of described distortion power-absorbing (6) plastic deformation triggers power F2 is 1.0F＜F2＜1.1F, and the span that the static state of described striker power-absorbing (5) plastic deformation triggers power F3 is 500KN ~ 800KN, and F2+F3＜1.28F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320296469 CN203268053U (en) | 2013-05-28 | 2013-05-28 | Heavy-load locomotive protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320296469 CN203268053U (en) | 2013-05-28 | 2013-05-28 | Heavy-load locomotive protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203268053U true CN203268053U (en) | 2013-11-06 |
Family
ID=49498515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320296469 Expired - Fee Related CN203268053U (en) | 2013-05-28 | 2013-05-28 | Heavy-load locomotive protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203268053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241262A (en) * | 2013-05-28 | 2013-08-14 | 南车株洲电力机车有限公司 | Protecting device and protecting method of heavy-duty locomotive |
-
2013
- 2013-05-28 CN CN 201320296469 patent/CN203268053U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241262A (en) * | 2013-05-28 | 2013-08-14 | 南车株洲电力机车有限公司 | Protecting device and protecting method of heavy-duty locomotive |
| CN103241262B (en) * | 2013-05-28 | 2015-07-29 | 南车株洲电力机车有限公司 | A kind of heavy loading locomotive fender guard and guard method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204249970U (en) | A kind of multistage energy-absorption type front anticollision beam of automobile | |
| CN205220579U (en) | Car bumper energy absorption and shock absorption device | |
| CN202863357U (en) | Automobile energy absorbing cartridge | |
| CN205168406U (en) | Car rear bumper | |
| CN202593428U (en) | Front anti-collision beam energy absorption box for car | |
| CN105216723A (en) | A kind of family-sized car afterbody anticollision device | |
| CN205059492U (en) | Crashproof roof beam assembly before vehicle reaches | |
| CN103010132B (en) | A kind of buffer device for collision of automobile | |
| CN210437125U (en) | Novel two-stage type protective fence at tail of truck | |
| CN107963043B (en) | Three-level combined vehicle collision integration system and method | |
| CN103241262B (en) | A kind of heavy loading locomotive fender guard and guard method | |
| CN203005326U (en) | Safe bumper | |
| CN205059490U (en) | Domestic car afterbody buffer stop | |
| CN203268053U (en) | Heavy-load locomotive protection device | |
| CN210760623U (en) | High anti collision car of two roof beams | |
| CN203438964U (en) | Front anti-collision beam for automobile | |
| CN204383373U (en) | A kind of energy absorbent block and there is the front bumper endergonic structure of this energy absorbent block | |
| CN202911686U (en) | Automobile collision avoidance beam structure | |
| CN209757024U (en) | Multistage energy-absorbing shock-absorbing anti-collision beam structure | |
| CN202703477U (en) | School bus rear wall anticollision power-absorbing buffer device | |
| CN206049579U (en) | A kind of new energy-absorption box | |
| CN105083181A (en) | EPP vehicle bumper | |
| CN103010250B (en) | Integrated form buffering crushing device | |
| CN214874189U (en) | Vehicle power battery side impact protection device | |
| CN105365729A (en) | Automobile rear bumper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20150528 |
|
| EXPY | Termination of patent right or utility model |