CN103241262A - Protecting device and protecting method of heavy-duty locomotive - Google Patents
Protecting device and protecting method of heavy-duty locomotive Download PDFInfo
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- CN103241262A CN103241262A CN2013102025297A CN201310202529A CN103241262A CN 103241262 A CN103241262 A CN 103241262A CN 2013102025297 A CN2013102025297 A CN 2013102025297A CN 201310202529 A CN201310202529 A CN 201310202529A CN 103241262 A CN103241262 A CN 103241262A
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Abstract
The invention discloses a protecting device and a protecting method of a heavy-duty locomotive, and aims at solving the problems that a protecting device of an existing heavy-duty locomotive difficultly plays a protective role. The protecting device of the heavy-duty locomotive comprises a car coupler, a slave plate, a buffer, an impact seat and a deformation energy absorption element. The protecting device and the protecting method of the heavy-duty locomotive combine the buffer, the deformation energy absorption element and an impact seat energy absorption element together according to a certain design sequence, and when the locomotive normally runs and is unusually crashed and impacted, the buffer, the deformation energy absorption element and the impact seat energy absorption element function in sequence, so that not only application cost of the protecting device can be saved to the utmost, but also the protecting device can plays the protective role to the utmost.
Description
Technical field
The present invention relates to locomotive fender guard field, be specially a kind of heavy loading locomotive fender guard and guard method.
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 is during less than energy disperser maximum impedance power, energy disperser is by compression and the answer of one or many, will impact or collision energy dissipates; When impulsive force during greater than energy disperser maximum impedance power, energy disperser is crushed to death, and becomes rigidity, if impulsive force is excessive, then can damage locomotive and driver and conductor.Second kind is at the energy disperser afterbody distortion power-absorbing to be housed, utilize energy disperser and distortion power-absorbing to come energy-absorbing, this mode is owing to be subjected to the restriction of hitch hook shoulder and 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 transshipping, but this mode does not have the protection metamorphosis or acts on extremely limited because the design of distortion triggering power is unreasonable.
Summary of the invention
In order to overcome the deficiency that existing heavy loading locomotive fender guard is difficult to play a protective role; the present invention aims to provide a kind of heavy loading locomotive fender guard and guard method; this fender guard and guard method are pressed certain design sequence with energy disperser, distortion power-absorbing, striker power-absorbing; the three is combined; when locomotive normally moves and is subjected to unusual collision, impact; be docile and obedient order and work, can save the utilization cost to greatest extent, can play a protective role to greatest extent again.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of heavy loading locomotive fender guard comprises the hook tail frame that is contained in the hitch case, hitch, slave plate, energy disperser, distortion power-absorbing and at the striker power-absorbing of hitch case outside; Its constructional feature is, described hitch is connected by hook pin with hook tail frame, described striker power-absorbing is fixed on the draw beam and (can for convenience detachly changes), described energy disperser is contained in the hook tail frame, slave plate is contained between coupler butt and the energy disperser, and described distortion power-absorbing is fixed on the interior afterbody of hitch case 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 impedance power 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.
Further, the invention provides a kind of method of utilizing above-mentioned heavy loading locomotive fender guard that heavy loading locomotive is protected:
1) when locomotive normally moved, connects extension, braking, the impact energy of generation was only absorbed by energy disperser;
2) be subjected to the collision impact of improper utilization when locomotive, and its energy triggers 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, adopt two-stage anticollision impact protection device protection locomotive:
First order anticollision impact protection device is made up of hitch, hook tail frame, slave plate, energy disperser, and when impact energy during less than the energy of energy disperser, first order anticollision impacting start, power-absorbing are energy disperser;
Second stage anticollision impact protection device is made up 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 takes place;
3) be subjected to the collision impact of improper utilization when locomotive, and its energy triggers power F greater 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, adopt three grades of anticollision impact protection device protection locomotives:
First order anticollision impact protection device is made up of hitch, hook tail frame, slave plate, energy disperser, and power-absorbing is energy disperser;
Second stage anticollision impact protection device is made up 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 takes place;
Third stage anticollision impact protection device is made up 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 takes place jointly.
By said structure and method, the present invention by certain method of designing, combines energy disperser, distortion power-absorbing, striker power-absorbing with the three, when locomotive normally moves with unusual collision, impact, is docile and obedient order and works, the formation three-level protective.
Concrete guard method of the present invention is:
The maximum compression load F that can bear with car body is benchmark, selects the maximum impedance power of energy disperser to be not more than F.
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, the braking situation normal, the energy that produces is absorbed by energy disperser; At abnormal running, when Minor Accident takes place, adopt second stage protection; Generation is then 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 subjected to less unusual collision impact, then 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 made up 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 made up 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 takes place absorbs energy.
The impact that is subjected to when locomotive or collision energy are greater than the energy+F of energy disperser
2During * (20～30mm) * 0.85(performance coeffcient), then adopt three grades of anticollision surge protections:
First order anticollision impact protection device is made up of hitch, hook tail frame, slave plate, energy disperser, and power-absorbing is energy disperser.
Second stage anticollision impact protection device is made up 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 takes place absorbs energy.
As shown in Figure 2; third stage anticollision impact protection device is made up of hitch, hook tail frame, slave plate, energy disperser, distortion power-absorbing, striker power-absorbing, and this moment, plastic deformation absorption energy took place remaining thin circular cylinder part and the striker power-absorbing that is not out of shape power-absorbing jointly.The energy that this moment, the heavy loading locomotive fender guard absorbed is just often endergonic 6～7 times, and the power-absorbing that damages all is the parts that easily are replaced.
Compared with prior art, the invention has the beneficial effects as follows:
1) when locomotive is subjected to bigger unusual impact, when adopting three-level protective, it is big to absorb energy, can the better protection train and driver and conductor's safety.
2) the bolt mounting means of distortion power-absorbing of the present invention, striker power-absorbing and car body, it is convenient to change, and cost is low.
The present invention is further elaborated below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the structural representation of existing heavy loading locomotive energy dissipating fender guard;
Fig. 2 is the structure principle chart of one embodiment of the invention.
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 the hook tail frame 3, and the afterbody of this hitch 1 is fixedly connected with slave plate 2; On the described hitch 1 striker power-absorbing 5 is housed, be fixedly connected with the energy disperser 4 that is contained in the hook tail frame 3 on the 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 impedance power 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 and absorbs impact, collision energy.
When the impact of train, impact force during greater than 3050kN, first order anticollision surge protection starts, 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 take place plastic deformation, and when deformation length was 29mm, distortion power-absorbing 6 absorbed about 81kJ, the energy of the coabsorption 203kJ of system; When the impact of train, when collision is not sponged fully; third stage anticollision surge protection starts, and plastic deformation all takes place 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 present invention, limit the scope of the invention and be not used in, after having read the present invention, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
Claims (2)
1. heavy loading locomotive fender guard comprises the hook tail frame (3) that is contained in the hitch case, hitch (1), slave plate (2), energy disperser (4), distortion power-absorbing (6) and at the striker power-absorbing (5) of hitch case 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 the draw beam, described energy disperser (4) is contained in the hook tail frame (3), slave plate (2) is contained between hitch (1) afterbody and the energy disperser (4), and described distortion power-absorbing (6) is fixed on the interior afterbody of hitch case 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 impedance power 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.
2. method of utilizing the described heavy loading locomotive fender guard of claim 1 that heavy loading locomotive is protected is characterized in that:
1) when locomotive normally moved, connects extension, braking, the impact energy of generation was only absorbed by energy disperser (4);
2) be subjected to the collision impact of improper utilization when locomotive, and its energy triggers power F less than the static state of the energy of energy disperser and distortion power-absorbing (6) 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 made up of hitch (1), hook tail frame (3), slave plate (2), energy disperser (4), and when impact energy during less than the energy of energy disperser, first order anticollision impacting start, power-absorbing are energy disperser (4);
Second stage anticollision impact protection device is made up of hitch (1), hook tail frame (3), slave plate (2), energy disperser (4), distortion power-absorbing (6), when the impact energy greater than the energy of energy disperser but less than the energy of energy disperser and the static state triggering power F of distortion power-absorbing (6) plastic deformation
2* (during 20～30mm) * performance coeffcient, 0.85 sum, be out of shape power-absorbing (6) part this moment plastic deformation absorption energy takes place;
3) be subjected to the collision impact of improper utilization when locomotive, and its energy triggers power F greater than the static state of the energy of energy disperser and distortion power-absorbing (6) 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 made up of hitch (1), hook tail frame (3), slave plate (2), energy disperser (4), and power-absorbing is energy disperser;
Second stage anticollision impact protection device is made up of hitch (1), hook tail frame (3), slave plate (2), energy disperser (4), distortion power-absorbing (6), is out of shape power-absorbing this moment plastic deformation absorption energy partly takes place;
Third stage anticollision impact protection device is made up of hitch (1), hook tail frame (3), slave plate (2), energy disperser (4), distortion power-absorbing (6), striker power-absorbing (5), is out of shape the remaining undeformable part of power-absorbing (6) and striker power-absorbing (5) this moment plastic deformation absorption energy takes place jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310202529.7A CN103241262B (en) | 2013-05-28 | 2013-05-28 | A kind of heavy loading locomotive fender guard and guard method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310202529.7A CN103241262B (en) | 2013-05-28 | 2013-05-28 | A kind of heavy loading locomotive fender guard and guard method |
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| CN103241262A true CN103241262A (en) | 2013-08-14 |
| CN103241262B CN103241262B (en) | 2015-07-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908772A (en) * | 2015-06-30 | 2015-09-16 | 南车株洲电力机车有限公司 | Locomotive |
| CN106448763A (en) * | 2016-10-18 | 2017-02-22 | 中国核动力研究设计院 | Fuel rod contact type measuring anti-collision structure and anti-collision method thereof |
| CN109383553A (en) * | 2017-08-04 | 2019-02-26 | 中车大同电力机车有限公司 | A kind of New Locomotive tail frame |
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| US3797673A (en) * | 1970-11-20 | 1974-03-19 | Cardwell Westinghouse Co | Cushioning arrangement for railroad cars |
| CN1537769A (en) * | 2003-04-16 | 2004-10-20 | 川崎重工业株式会社 | Mounting structure of rubber buffer for connector of stock |
| CA2713792A1 (en) * | 2009-10-01 | 2011-04-01 | Voith Patent Gmbh | Device for damping tractive and compressive forces |
| CN102431570A (en) * | 2011-11-09 | 2012-05-02 | 天津机辆轨道交通装备有限责任公司 | Novel tightlock coupling buffer structure for urban subway |
| CN203268053U (en) * | 2013-05-28 | 2013-11-06 | 南车株洲电力机车有限公司 | Heavy-load locomotive protection device |
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2013
- 2013-05-28 CN CN201310202529.7A patent/CN103241262B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3797673A (en) * | 1970-11-20 | 1974-03-19 | Cardwell Westinghouse Co | Cushioning arrangement for railroad cars |
| CN1537769A (en) * | 2003-04-16 | 2004-10-20 | 川崎重工业株式会社 | Mounting structure of rubber buffer for connector of stock |
| CA2713792A1 (en) * | 2009-10-01 | 2011-04-01 | Voith Patent Gmbh | Device for damping tractive and compressive forces |
| CN102431570A (en) * | 2011-11-09 | 2012-05-02 | 天津机辆轨道交通装备有限责任公司 | Novel tightlock coupling buffer structure for urban subway |
| CN203268053U (en) * | 2013-05-28 | 2013-11-06 | 南车株洲电力机车有限公司 | Heavy-load locomotive protection device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908772A (en) * | 2015-06-30 | 2015-09-16 | 南车株洲电力机车有限公司 | Locomotive |
| CN106448763A (en) * | 2016-10-18 | 2017-02-22 | 中国核动力研究设计院 | Fuel rod contact type measuring anti-collision structure and anti-collision method thereof |
| CN106448763B (en) * | 2016-10-18 | 2017-11-10 | 中国核动力研究设计院 | A kind of fuel rod contact type measurement crash structure and its collision-proof method |
| CN109383553A (en) * | 2017-08-04 | 2019-02-26 | 中车大同电力机车有限公司 | A kind of New Locomotive tail frame |
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| Publication number | Publication date |
|---|---|
| CN103241262B (en) | 2015-07-29 |
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