CN201321052Y - Car coupler cushioning device with self-resilience - Google Patents
Car coupler cushioning device with self-resilience Download PDFInfo
- Publication number
- CN201321052Y CN201321052Y CNU2008202337912U CN200820233791U CN201321052Y CN 201321052 Y CN201321052 Y CN 201321052Y CN U2008202337912 U CNU2008202337912 U CN U2008202337912U CN 200820233791 U CN200820233791 U CN 200820233791U CN 201321052 Y CN201321052 Y CN 201321052Y
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- CN
- China
- Prior art keywords
- push rod
- energy disperser
- coupler
- car coupler
- front apron
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- 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.)
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Abstract
The utility model relates to a car coupler cushioning device with self-resilience, which is provided with a car coupler, a tail pin of the car coupler, a tail frame of the car coupler and a buffer; the car coupler is connected with the tail frame of the car coupler through the tail pin of the car coupler; the buffer is arranged in the tail frame of the car coupler and is embedded into a car coupler case; the front baffle of the buffer is butted at the front wall of the tail frame of the car coupler, and a front buffer spring, a front slave plate, a back buffer spring and a back slave plate are arranged in sequence behind the front baffle of the buffer; the back slave plate is also butted at the back wall of the tail frame of the car coupler; the left side and the right side of the tail part of the car coupler respectively extrude in the radical direction to form two convex shoulders; the front wall of the tail frame of the car coupler is provided with perforations on the locations corresponding to the convex shoulders; mandrils are arranged in the perforations; and the first end of each mandril is butted at the front baffle of the buffer. When the car coupler is pulled, the car coupler cushioning device with self-resilience can apply small self-resilience to the deflection of the car coupler; and when the car coupler is compressed, the car coupler cushioning device with self-resilience can apply big self-resilience to the deflection of the car coupler.
Description
Technical field
The utility model relates to a kind of coupler and draft gear that has from restoring force, refer in particular to a kind of be applicable to Heavy-Haul Railway transportation, have automatic recovery ability to improve the coupler and draft gear of vehicle operating safety.
Background technology
Coupler and draft gear is one of most important parts of rolling stock, and it mainly is made of hitch and energy disperser two parts.Wherein, hitch is used for realizing that the company between the rolling stock hangs, transmitting tractive power, impulsive force, and make and keep certain distance between the vehicle; Energy disperser be used for relaxing vehicle be in operation owing to the variation of the locomotive tractive effort or when starting, braking and the shunting service vehicle collide longitudinal impact and the vibration that causes mutually, with the shock and vibration between the dissipation vehicle, thereby alleviate destructive effect to vehicle structure and lade.
As shown in Figure 1, be the present structure principle chart of the existing coupler and draft gear 1 of locomotive.Coupler and draft gear 1 consists predominantly of hitch 11, draft key 12, hook tail frame 13 and energy disperser 14, and wherein, hitch 11 is connected with hook tail frame 13 by draft key 12, and energy disperser 14 is contained in the described hook tail frame 13 and is embedded in the hitch case 16.The energy disperser front apron 143 of described energy disperser 14 is resisted against the coupling end of hitch 11, thereafter (coupling end from hitch 11 is the back towards the direction of hook tail frame 13 rear walls 132) is provided with anterior bumper spring 141, preceding slave plate 144, posterior bumper spring 142 and back slave plate 145 in regular turn, and described back slave plate 145 is resisted against the rear wall 132 of described hook tail frame 13 simultaneously.
When rolling stock moved on various curve circuits, the hitch 11 of above-mentioned coupler and draft gear hook tail frame 13 relatively deflected, and forms certain deflection angle, with guarantee rolling stock steadily, operation successfully.Yet, above-mentioned coupler and draft gear is because the inevitably influence of geometrical deviation, when rolling stock is implemented braking and is forced above-mentioned coupler and draft gear 1 pressurized, above-mentioned hitch 11 can deflect by relative hook tail frame 13 equally, form deflection angle, at this moment, coupler and draft gear 1 will be subjected to the application force (being compressive force) that adjacent two vehicles push mutually, coupler and draft gear 1 also can impose corresponding with it antagonistic force to adjacent two vehicles simultaneously, because the existence of deflection angle, described antagonistic force can produce a component on the side direction of vehicle, promptly to the deletrious side force of locomotive operation, and, the compressive force that coupler and draft gear is suffered big more, deflection angle will be big more, and then the side force that produces is just big more, and the harm that locomotive operation is caused is just big more, for example in the Heavy-Haul Railway transportation, described compressive force can reach more than the 1500kN, and there is the danger that makes locomotive derailing occur in the side force that causes thus.
The utility model content
The purpose of this utility model provides a kind of coupler and draft gear that has from restoring force.
For reaching above-mentioned purpose, the coupler and draft gear that has from restoring force that the utility model provides has hitch, draft key, hook tail frame and energy disperser; Described hitch is connected with described hook tail frame by described draft key, and described energy disperser is placed in described hook tail frame and is embedded in the hitch case; The energy disperser front apron of described energy disperser is resisted against the antetheca of described hook tail frame, and anterior bumper spring, preceding slave plate, posterior bumper spring and back slave plate are set thereafter in regular turn, and described back slave plate is resisted against the rear wall of described hook tail frame simultaneously; The left and right sides of described coupler butt is radially protruded respectively and is formed with convex shoulder, and the corresponding described convex shoulder of the antetheca of described hook tail frame place is provided with perforation, is equipped with push rod in the described perforation, the described energy disperser front apron of the first end contact of described push rod.
In the utility model, form a gap between second end of described push rod and the convex shoulder of described hitch.
In the utility model, described push rod and described energy disperser the front apron surface of contact mutually are arc surface.
In the utility model, first end of the corresponding described energy disperser front apron of described push rod is provided with and can makes described push rod be limited to the projection of described perforation one end.
In the utility model, the position of corresponding described push rod is formed with depression on the described energy disperser front apron, and described push rod is resisted against in the described depression.
In the utility model, described perforation is a stepped hole, and the corresponding described energy disperser front apron of the bigger diameter end of described stepped hole; Described push rod is a stepped shaft that matches with described stepped hole, the described energy disperser front apron of the top contact of the large-diameter portion position of described stepped shaft.
In sum, the coupler and draft gear that has from restoring force of the present utility model has following advantage:
1, when coupler and draft gear of the present utility model moves on curve circuit in rolling stock, hitch between adjacent two vehicles deflects, the convex shoulder of described coupler butt one side is with second end of the described push rod of contact, and make the described energy disperser front apron of the first end contact of described push rod, at this moment, because the anterior bumper spring does not have the forward compression, when described push rod is out of shape described energy disperser front apron run-off the straight at the described energy disperser front apron of contact, because the anterior bumper spring only is subjected to the application force of described push rod, therefore this anterior bumper spring will produce corresponding with it antagonistic force, this antagonistic force is less relatively, and by of the restriction of described push rod to hitch enforcement deflection angle, constitute the described hitch deflection of constraint from restoring force, because should be less relatively from restoring force, make hitch can deflection the angle of regulation, and then make the rolling stock can be smooth, pass through curve circuit reposefully.
When rolling stock carries out glancing impact, be that hitch is subjected to bigger compressive force and when deflecting, the convex shoulder of described coupler butt one side equally will be by the described energy disperser front apron of push rod contact, at this moment, because the anterior bumper spring has produced the forward compression, when described push rod is out of shape described energy disperser front apron run-off the straight at the described energy disperser front apron of contact, the antagonistic force that acts on the described push rod will be forward compressive force and the push rod applied pressure sum that hitch puts on the anterior bumper spring, therefore will be subjected to bigger antagonistic force on the described push rod, this bigger antagonistic force has constituted and has acted on bigger from restoring force on the described hitch convex shoulder, what this was bigger controls the deflection angle of hitch within the limits prescribed from restoring force, i.e. deflection to hitch has applied bigger limiting force, the side force that makes vehicle produce in braking procedure is unlikely to produce deleterious effect to locomotive operation, realize the function that rolling stock aligns automatically, thereby improved in the car brakeing process safety of rolling stock operation effectively.
2, be formed with the gap between described push rod of the present utility model and the described convex shoulder, make described hitch can form a very little deflection angle, and then satisfy on little curve, the set out demand of hook of rolling stock.
3, described push rod of the present utility model and described energy disperser front apron mutually first end of contact be provided with described projection, can be under the thrusting action of described anterior bumper spring, make described push rod be limited to an end of described perforation, guarantee described push rod all the time with described energy disperser front apron contact mutually; In addition, because described push rod and described energy disperser the front apron surface of contact mutually are arc surface, make described push rod when the described energy disperser front apron of contact is out of shape described energy disperser front apron run-off the straight, can guarantee smoothly to move between described push rod and the described energy disperser front apron, and then guarantee work steadily, reliability, and reduce the wearing and tearing of friction means.
4, the antetheca of described hook tail frame of the present utility model except being used for perforation being set to wear the described push rod, has also been strengthened the rigidity and the structural stability of hook tail frame.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein,
Fig. 1 is the structural representation of existing coupler and draft gear;
Fig. 2 is the structural representation of coupler and draft gear of the present utility model;
Fig. 3 is the partial enlarged drawing at I place among Fig. 2;
Fig. 4 is the cross-sectional schematic along A-A line among Fig. 2;
Fig. 5 is the structural representation of coupler and draft gear of the present utility model when moving on curve circuit;
Fig. 6 is the structural representation of coupler and draft gear of the present utility model at glancing impact;
Fig. 7 A, Fig. 7 B are that anterior bumper spring of the present utility model produces the force analysis scheme drawing from restoring force, wherein, when Fig. 7 A represents that vehicle moves on curve circuit, be the anterior bumper spring be not subjected to that the forward compression time produced from restoring force, Fig. 7 B represents vehicle at glancing impact, promptly the anterior bumper spring be subjected to that the forward compression time produced from restoring force.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model.
As shown in Figure 2, the coupler and draft gear 2 that has from restoring force of the present utility model has hitch 21, draft key 22, hook tail frame 23 and energy disperser 24.Wherein, the afterbody of described hitch 21 is connected by the front end of described draft key 22 with described hook tail frame 23, and described energy disperser 24 is contained in the described hook tail frame 23 and is embedded in the hitch case 27.The energy disperser front apron 243 of described energy disperser 24 is resisted against the antetheca 231 of described hook tail frame 23, thereafter (antetheca 231 from hook tail frame 23 is the back towards the direction of its rear wall 232) is provided with anterior bumper spring 241, preceding slave plate 244, posterior bumper spring 242 and back slave plate 245 in regular turn, and described back slave plate 245 is resisted against the rear wall 232 of described hook tail frame 23 simultaneously.
On plane shown in Figure 2, the left and right sides of described hitch 21 afterbodys is radially protruded respectively and is formed with convex shoulder 211, antetheca 231 corresponding described convex shoulders 211 places of described hook tail frame 23 are provided with perforation 233, be equipped with push rod 26 in the described perforation 233, the described energy disperser front apron 243 of first end, 261 contacts of described push rod 26, under the rolling stock normal working, second end 262 of described push rod 26 is positioned at convex shoulder 211 rear portions of described hitch 21, and and convex shoulder 211 between form certain interval L, described gap L makes described hitch 21 can form a very little free deflection angle, can satisfy set out on the little curve demand of hook of rolling stock.Wherein, the antetheca 231 of described hook tail frame 23 except being used for perforation 233 being set to wear the described push rod 26, has also been strengthened the rigidity and the structural stability of hook tail frame 23.
See also Fig. 3, shown in Figure 4, first end 261 of described push rod 26 corresponding described energy disperser front aproies 243 is provided with projection 263, thereby under the thrusting action of anterior bumper spring 241, make described push rod 26 be limited to an end of described perforation 233, can guarantee described push rod 26 all the time with described energy disperser front apron 243 contact mutually; In addition, the position of corresponding push rod 26 is formed with depression 246 on the described energy disperser front apron 243, described push rod 26 is resisted against in the described depression 246, and described push rod 26 and described depression 246 surface of contact mutually are arc surface, make described push rod 26 when the described energy disperser front apron 243 of contact is out of shape described energy disperser front apron 243 run-off the straights, can guarantee smoothly to move between described push rod 26 and the described energy disperser front apron 243, and then guarantee work steadily, reliability, and reduce the wearing and tearing of friction means.
Perforation of the present utility model can also be set to stepped hole, the corresponding described energy disperser front apron of the bigger diameter end of described stepped hole, and described push rod is a stepped shaft that matches with described stepped hole, the described energy disperser front apron of the top contact of the large-diameter portion position of described stepped shaft, described push rod and described energy disperser the front apron surface of contact mutually are arc surface.The utility model is not limited this structure, anyly can make described push rod under the thrusting action of anterior bumper spring, and the structure that is limited to described perforation one end all should be encompassed within the protection domain of the present utility model.
Other structure of the present utility model can not given unnecessary details at this with reference to existing coupler draft gear structure.Principle of work of the present utility model is: as shown in Figure 5, when rolling stock moves on curve circuit, hitch 21 between adjacent two vehicles will deflect, the line of centers of the line of centers of hitch 21 and energy disperser 24 is not on same straight line, form deflection angle α, the convex shoulder 211 of described coupler butt one side is with second end 262 of the described push rod 26 of contact, the described energy disperser front apron 243 of first end, 261 contacts of described push rod 26, at this moment, because anterior bumper spring 241 no forward compressions, when described push rod 26 is out of shape described energy disperser front apron 243 run-off the straights at the described energy disperser front apron 243 of contact, anterior bumper spring 241 only is subjected to the application force of described push rod 26, therefore this anterior bumper spring 241 will produce corresponding with it antagonistic force, this antagonistic force is less relatively, and implement the restriction of deflection angles by 26 pairs of hitches of described push rod 21, constitute described hitch 21 deflections of constraint from restoring force, because should be less relatively from restoring force, make hitch 21 can deflection the angle of regulation, and then make the rolling stock can be smooth, pass through curve circuit reposefully.
As shown in Figure 6, when rolling stock carries out glancing impact, be that hitch 21 is subjected to bigger compressive force and when deflecting, the convex shoulder 211 of described hitch 21 afterbodys one side equally will be by the described energy disperser front apron 243 of push rod 26 contacts, at this moment, because anterior bumper spring 241 has produced the forward compression, when described push rod 26 is out of shape described energy disperser front apron 243 run-off the straights at the described energy disperser front apron 243 of contact, the antagonistic force that acts on the described push rod 26 will be forward compressive force and the push rod 26 applied pressure sums that hitch 21 puts on anterior bumper spring 241, therefore will be subjected to bigger antagonistic force on the described push rod 26, this bigger antagonistic force has constituted bigger from restoring force on the convex shoulder 211 that acts on described hitch 21, what this was bigger controls within the limits prescribed from the deflection angle β of restoring force with hitch 21, i.e. deflection to hitch has applied bigger limiting force, the side force that makes vehicle produce in braking procedure is unlikely to produce deleterious effect to locomotive operation, realize the function that rolling stock aligns automatically, thereby improved in the car brakeing process safety of rolling stock operation effectively.
In order to further specify different from restoring force that produced when coupler and draft gear of the present utility model moves on curve circuit with vehicle when the car brakeing, see also shown in Fig. 7 A, Fig. 7 B.Wherein, when Fig. 7 A represented that vehicle moves on curve circuit, promptly anterior bumper spring 241 was not compressed by forward, the directed force F that applied by push rod 26
1The time, anterior bumper spring 241 run-off the straights distortion produced from restoring force f
1Fig. 7 B represents vehicle at glancing impact, and promptly anterior bumper spring 241 is subjected to forward compressive force F and 26 applied pressure F of push rod simultaneously
2The time, anterior bumper spring 241 take place that the same tilt distortion produced from restoring force f
2The rigidity of getting anterior bumper spring 241 is k, then behind the anterior bumper spring 241 forwards compression h, from restoring force f
1, f
2Roughly there is following functional relation: f
2=f
1+ hk.Hence one can see that, and anterior bumper spring 241 is not having forward when compression, when promptly vehicle moves on curve circuit, the run-off the straight distortion produced from restoring force f
1Less; And be subjected to forward when compression, promptly vehicle is at glancing impact, take place that the same tilt distortion produced from restoring force f
2Bigger.
The above, it only is specific embodiment of the utility model, be not in order to limiting scope of the present utility model, i.e. equivalent variations and the modification of doing according to the utility model claim and description generally all should still belong in the scope that the utility model patent contains.
Claims (6)
1, a kind of coupler and draft gear that has from restoring force is characterized in that, the described coupler and draft gear that has from restoring force has hitch, draft key, hook tail frame and energy disperser; Described hitch is connected with described hook tail frame by described draft key, and described energy disperser is placed in described hook tail frame and is embedded in the hitch case; The energy disperser front apron of described energy disperser is resisted against the antetheca of described hook tail frame, and anterior bumper spring, preceding slave plate, posterior bumper spring and back slave plate are set thereafter in regular turn, and described back slave plate is resisted against the rear wall of described hook tail frame simultaneously; The left and right sides of described coupler butt is radially protruded respectively and is formed with convex shoulder, and the corresponding described convex shoulder of the antetheca of described hook tail frame place is provided with perforation, is equipped with push rod in the described perforation, the described energy disperser front apron of the first end contact of described push rod.
2, the coupler and draft gear that has from restoring force as claimed in claim 1 is characterized in that, forms a gap between second end of described push rod and the convex shoulder of described hitch.
3, the coupler and draft gear that has from restoring force as claimed in claim 1 is characterized in that, described push rod and described energy disperser the front apron surface of contact mutually are arc surface.
As claim 1 or the 2 or 3 described coupler and draft gears that have from restoring force, it is characterized in that 4, first end of the corresponding described energy disperser front apron of described push rod is provided with and can makes described push rod be limited to the projection of described perforation one end.
5, the coupler and draft gear that has from restoring force as claimed in claim 4 is characterized in that, the position of corresponding described push rod is formed with depression on the described energy disperser front apron, and described push rod is resisted against in the described depression.
6, as claim 1 or the 2 or 3 described coupler and draft gears that have from restoring force, it is characterized in that described perforation is a stepped hole, and the corresponding described energy disperser front apron of the bigger diameter end of described stepped hole; Described push rod is a stepped shaft that matches with described stepped hole, the described energy disperser front apron of the top contact of the large-diameter portion position of described stepped shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202337912U CN201321052Y (en) | 2008-12-23 | 2008-12-23 | Car coupler cushioning device with self-resilience |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202337912U CN201321052Y (en) | 2008-12-23 | 2008-12-23 | Car coupler cushioning device with self-resilience |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201321052Y true CN201321052Y (en) | 2009-10-07 |
Family
ID=41158440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202337912U Expired - Fee Related CN201321052Y (en) | 2008-12-23 | 2008-12-23 | Car coupler cushioning device with self-resilience |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201321052Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501878A (en) * | 2011-11-09 | 2012-06-20 | 天津机辆轨道交通装备有限责任公司 | High-power locomotive buffer |
| CN102717813A (en) * | 2012-05-23 | 2012-10-10 | 西南交通大学 | Heavy-load car coupler device with coupler tail arc contact and elastic stopping functions |
| CN103407460A (en) * | 2013-08-06 | 2013-11-27 | 西南交通大学 | Heavy-load coupler with safety stop and low transverse force properties |
| CN104401348A (en) * | 2014-11-19 | 2015-03-11 | 齐齐哈尔轨道交通装备有限责任公司 | Railway vehicle and hook buffer device thereof |
| CN110304098A (en) * | 2019-08-08 | 2019-10-08 | 天津电力机车有限公司 | A kind of hitch multi-buffer device |
| CN111705371A (en) * | 2019-03-18 | 2020-09-25 | 日本Tmt机械株式会社 | Textile machine and teaching method |
| CN112977529A (en) * | 2021-04-07 | 2021-06-18 | 中车齐齐哈尔车辆有限公司 | Coupler yoke, coupler yoke and vehicle |
-
2008
- 2008-12-23 CN CNU2008202337912U patent/CN201321052Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501878A (en) * | 2011-11-09 | 2012-06-20 | 天津机辆轨道交通装备有限责任公司 | High-power locomotive buffer |
| CN102717813A (en) * | 2012-05-23 | 2012-10-10 | 西南交通大学 | Heavy-load car coupler device with coupler tail arc contact and elastic stopping functions |
| CN103407460A (en) * | 2013-08-06 | 2013-11-27 | 西南交通大学 | Heavy-load coupler with safety stop and low transverse force properties |
| CN104401348A (en) * | 2014-11-19 | 2015-03-11 | 齐齐哈尔轨道交通装备有限责任公司 | Railway vehicle and hook buffer device thereof |
| CN111705371A (en) * | 2019-03-18 | 2020-09-25 | 日本Tmt机械株式会社 | Textile machine and teaching method |
| CN111705371B (en) * | 2019-03-18 | 2023-04-04 | 日本Tmt机械株式会社 | Textile machine and teaching method |
| CN110304098A (en) * | 2019-08-08 | 2019-10-08 | 天津电力机车有限公司 | A kind of hitch multi-buffer device |
| CN110304098B (en) * | 2019-08-08 | 2024-04-26 | 天津电力机车有限公司 | Multi-stage buffer device for coupler |
| CN112977529A (en) * | 2021-04-07 | 2021-06-18 | 中车齐齐哈尔车辆有限公司 | Coupler yoke, coupler yoke and vehicle |
| CN112977529B (en) * | 2021-04-07 | 2022-10-18 | 中车齐齐哈尔车辆有限公司 | Coupler yoke, coupler yoke and vehicle |
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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: 20091007 Termination date: 20141223 |
|
| EXPY | Termination of patent right or utility model |