CN202264797U - Expanding type energy absorption device - Google Patents
Expanding type energy absorption device Download PDFInfo
- Publication number
- CN202264797U CN202264797U CN2011203107854U CN201120310785U CN202264797U CN 202264797 U CN202264797 U CN 202264797U CN 2011203107854 U CN2011203107854 U CN 2011203107854U CN 201120310785 U CN201120310785 U CN 201120310785U CN 202264797 U CN202264797 U CN 202264797U
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- CN
- China
- Prior art keywords
- draw bar
- energy absorption
- absorption device
- pipe link
- connection block
- 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 - Lifetime
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Abstract
The utility model provides an expanding type energy absorption device. The expanding type energy absorption device comprises a traction rod, a connecting seat, an interlocking mechanism, expanding sleeves and hollow deformation tubes, wherein a hollow part of the traction rod forms an inner cavity, a connecting rod extending into the inner cavity of the traction rod is arranged on the connecting seat, the interlocking mechanism is used for preventing the traction rod and the connecting seat from being uncoupled from each other, is arranged at the tail end of the connecting rod, and is located in the inner cavity of the traction rod, the expanding sleeves are sleeved at the tail end of the traction rod close to the connecting seat, each hollow deformation tube has a first end with a bigger diameter and a second end with a smaller diameter, the first ends of the hollow deformation tubes are sleeved on the expanding sleeves, and the second ends of the hollow deformation tubes are sleeved on the connecting seat. The expanding type energy absorption device further comprises an anti-rotation mechanism, wherein the anti-rotation mechanism is used for preventing the relative rotation between the connecting seat and the traction rod and is located between the connecting seat and the traction rod. The expanding type energy absorption device has the beneficial effects that: through arranging the optimized anti-rotation mechanism, an effect of excellently preventing the relative rotation between the traction rod and the connecting seat is achieved, and the structure is simple and the assembling is easy.
Description
Technical field
The utility model relates to a kind of expanding energy absorption device, relates in particular to a kind of and the integrated overload protection expanding energy absorption device of coupler and draft gear vehicle.
Background technology
In the prior art, it is known that energy absorbing structure is set in the coupler and draft gear of vehicle end, produce when it is used to absorb vehicle and is accidentally impacted impulsive force, with protection personnel and vehicle arrangement safety.For example, prior art 200820180063.X, 200820115355.5 announcements, it plays buffer action bumping against with other vehicle, road vehicle when perhaps the train was derailed.The way of realization of the expanding energy absorption device of this overload protection is a kind of energy absorbing converting pipe.When vehicle received accidental shock, the impulsive force of generation was pressed into the expansion set on the draw bar in the converting pipe by force, converting pipe generation radial expansion, and the plastic deformation through converting pipe absorbs energy and relaxes impulsive force.
Existing expanding energy absorption device mainly comprises draw bar, converting pipe and the mandrel etc. that have expansion set.Mandrel is installed on an end of converting pipe, and extends to the junction of converting pipe and draw bar, at draw bar set inside nut and anti-loose structure.Yet the expanding energy absorption device of prior art still exists complex structure, installation steps loaded down with trivial details and when meet with impacting problem such as a little less than the guidance quality.
The utility model content
The purpose of the utility model is: the problem to above-mentioned prior art exists provides a kind of simple in structure, easy for installation, the good expanding energy absorption device of guiding anti-rotation performance.
The purpose of the utility model realizes through following a kind of expanding energy absorption device:
A kind of expanding energy absorption device comprises:
Hollow forms the draw bar of inner chamber;
Connection Block which is provided with the pipe link that stretches into said draw bar inner chamber;
Prevent the mutual interlocking gear that draw bar and Connection Block are thrown off each other, said mutual interlocking gear is located at the end of pipe link and is positioned at the inner chamber of draw bar;
Be set in the expansion set on the end of the contiguous Connection Block of draw bar;
The converting pipe of hollow has first relatively large end of diameter and the second less relatively end of diameter, and said first end is sleeved on the said expansion set, and said second end is sleeved on the said Connection Block;
Also comprise the rotation-preventing mechanism in relative rotation that stops between Connection Block and the draw bar, said rotation-preventing mechanism is between said pipe link and draw bar.
Preferably, be positioned on the pipe link guide groove be positioned on the draw bar guide finger, said guide groove extends axially along pipe link, said guide finger stretches in the said guide groove.
Preferably, an end of the contiguous Connection Block of said draw bar is provided with circular hole radially, and said guide finger is installed in the said circular hole.
Preferably, said expansion set is set in outside the circular hole of draw bar, in order to seal a side of said circular hole.
Preferably, said rotation-preventing mechanism comprises: the medial surface of the inner chamber of said draw bar and the lateral surface of said pipe link, and said medial surface and said lateral surface shape match, and the cross section is non-regular round section.
Preferably, the medial surface of the inner chamber of said draw bar comprises that a scarce circular portion is connected the planar section of the breach that lacks circular portion with one; The lateral surface of said pipe link comprises that a scarce circular portion is connected the planar section of the breach that lacks circular portion with one.
Preferably, said mutual interlocking gear comprises the step surface that is arranged in inner chamber, and said step surface is divided into large-diameter portion branch and path part with the inner chamber of draw bar, and said large-diameter portion branch is positioned at the side away from Connection Block, and internal diameter is greater than the internal diameter of path part; Said mutual interlocking gear also comprises the interlock of the end that is positioned at pipe link, and the external diameter of said interlock is greater than the internal diameter of said path part.
Preferably, the said medial surface that cooperates with said pipe link of inner chamber is positioned on the path part.
Preferably, said interlock comprises axially relatively-stationary nut, cover plate and the screw that is connected on the pipe link, and said nut is paperwrapped in the end of pipe link, and said cover plate covers the end face of pipe link.
Preferably, said expansion set comprises a taper platform towards Connection Block, and said taper platform extend in the converting pipe.
The beneficial effect of the utility model is mainly reflected in: through the anti-rotation structure that optimize to be provided with, good draw bar and the Connection Block effect in relative rotation that prevents, and simple in structure, assembling is easy.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the initial condition cutaway view of first specific embodiment of the utility model.
Fig. 2 is the expansion state cutaway view of first specific embodiment of the utility model.
Fig. 3 is the initial condition cutaway view of second specific embodiment of the utility model.
Fig. 4 is the expansion state cutaway view of second specific embodiment of the utility model.
Fig. 5 is the cutaway view along other direction of second specific embodiment of the utility model.
| 1 |
2 converting |
3 expansion sets |
| 4 |
5 |
6 cover plates |
| 7 |
8 draw bars | 9 pipe links |
The specific embodiment
Following embodiment with reference to description of drawings the utility model.
The expanding energy absorption device of the utility model is mainly used on the train, is installed between hitch and the damper element.Through preferred embodiment the utility model is elaborated below:
See figures.1.and.2; The expanding energy absorption device of first preferred implementation mainly comprises: draw bar 8, expansion set 3, Connection Block 1 and therebetween converting pipe 2; When train or other vehicles receive when impacting; Draw bar 8 and Connection Block 1 each other near, expansion set 3 crimp pipes 2 make its radial dilatation distortion and absorb impact energy, play buffer action.The following specifically describes the structure of first preferred implementation.
With the corresponding setting of inner chamber; Be the pipe link 9 that is arranged on the said Connection Block 1, it is shaft-like basically, extend into its inner chamber from the opening of aforesaid draw bar 8; And pipe link 9 ends have an interlock, and its external diameter is identical with the width that said large-diameter portion divides.Like this, interlock and step surface have formed the interlocking structure between draw bar 8 and Connection Block 1, prevent they deviate from each other the motion and throw off.
Aforesaid interlock specifically comprises axially relatively-stationary nut 5, cover plate 6 and the screw 7 that is connected on the pipe link, and said nut 5 is paperwrapped in the end of pipe link 9, and said cover plate 6 covers the end face of pipe link.
Converting pipe 2 hollows; Have first bigger end of diameter and the second less end of diameter; First end is sleeved on the ring portion and taper platform of expansion set; Shape matches with it, promptly has the bevelled constriction that axially extended annulus partial sum links to each other, and second end of expansion set is sleeved on the Connection Block 1 and and Connection Block 1 butt.Like this, like Fig. 2, receiving when impacting, the ring-shaped platform end face of expansion set 3 is resisted against on the draw bar 8, the taper platform to Connection Block 1 one sides near, continue crimp pipe 2 and make its expansion, make converting pipe 2 absorb impact energys.
In order to prevent when impacting or to relatively rotate between Connection Block 1 and the draw bar 8 during traction; Influence buffering or transmission effect; The expanding energy absorption device also comprises the rotation-preventing mechanism in relative rotation that stops between Connection Block 1 and the draw bar 8, and rotation-preventing mechanism is between said pipe link 9 and draw bar 8.In the present embodiment, rotation-preventing mechanism comprises the guide groove that is positioned on the pipe link 9, and guide groove extends axially along pipe link 9; With the guide finger 4 that is positioned on the draw bar 8, guide finger 4 stretches in the said guide groove.
Concrete; As shown in Figure 1; End towards Connection Block 1 of draw bar 8 is provided with circular hole radially, and circular hole is positioned at the inside of expansion set 3, and aforesaid guide finger 4 is installed in the said circular hole; And extend into the guide groove that is arranged on the pipe link 9, prevent to relatively rotate between Connection Block 1 and draw bar 8 with this and take place.Certainly, the anti-rotation structure of similar cotter way formula can also have other concrete ways of realization, and those skilled in the art think to reach easily, repeat no more at this.
Following second preferred implementation of introducing the utility model with reference to Fig. 3, Fig. 4 and Fig. 5.Because it is all identical with first preferred implementation that other of this preferred implementation are provided with, only the anti-rotation structure difference no longer repeats at this, and mainly introduces the anti-rotation structure of second preferred implementation.
The anti-rotation of present embodiment realizes that through the spigot surface that shape is joined rotation-preventing mechanism specifically comprises: the medial surface of said draw bar inner chamber and the lateral surface of said pipe link.Said medial surface and said lateral surface shape match, and it is circular that the cross section is non-rule.Like this, after fitting each other, draw bar 8 promptly can not relatively rotate with Connection Block 1.
Concrete, the medial surface of said inner chamber comprises that a scarce circular portion is connected the planar section of the breach that lacks circular portion with one; And the medial surface of said pipe link comprises that a scarce circular portion is connected the planar section of the breach that lacks circular portion with one.Two planar sections are fitted each other, stop the generation of rotating.
More specifically, the said medial surface that cooperates with said pipe link of inner chamber is positioned on the path part.
The utility model is not limited to aforementioned embodiments; Those skilled in the art are under the enlightenment of the utility model technical spirit; Also possibly make other changes, but, all should belong to the protection domain of the utility model as long as function and the utility model of its realization are same or similar.
Claims (10)
1. expanding energy absorption device comprises:
Hollow forms the draw bar of inner chamber;
Connection Block which is provided with the pipe link that stretches into said draw bar inner chamber;
Prevent the mutual interlocking gear that draw bar and Connection Block are thrown off each other, said mutual interlocking gear is located at the end of pipe link and is positioned at the inner chamber of draw bar;
Be set in the expansion set on the end of the contiguous Connection Block of draw bar;
The converting pipe of hollow has first relatively large end of diameter and the second less relatively end of diameter, and said first end is sleeved on the said expansion set, and said second end is sleeved on the said Connection Block;
It is characterized in that:
Also comprise the rotation-preventing mechanism in relative rotation that stops between Connection Block and the draw bar, said rotation-preventing mechanism is between said pipe link and draw bar.
2. expanding energy absorption device according to claim 1; It is characterized in that; Said rotation-preventing mechanism comprises: be positioned on the pipe link guide groove be positioned on the draw bar guide finger, said guide groove extends axially along pipe link, said guide finger stretches in the said guide groove.
3. expanding energy absorption device according to claim 2 is characterized in that, an end of the contiguous Connection Block of said draw bar is provided with circular hole radially, and said guide finger is installed in the said circular hole.
4. expanding energy absorption device according to claim 3 is characterized in that, said expansion set is set in outside the circular hole of draw bar, in order to seal a side of said circular hole.
5. expanding energy absorption device according to claim 1; It is characterized in that; Said rotation-preventing mechanism comprises: the medial surface of the inner chamber of said draw bar and the lateral surface of said pipe link, and said medial surface and said lateral surface shape match, and the cross section is non-regular round section.
6. expanding energy absorption device according to claim 5 is characterized in that, the medial surface of the inner chamber of said draw bar comprises that a scarce circular portion is connected the planar section of the breach that lacks circular portion with one; The lateral surface of said pipe link comprises that a scarce circular portion is connected the planar section of the breach that lacks circular portion with one.
7. according to the described arbitrary expanding energy absorption device of claim 1 to 6; It is characterized in that; Said mutual interlocking gear comprises the step surface that is arranged in inner chamber; Said step surface is divided into large-diameter portion branch and path part with the inner chamber of draw bar, and said large-diameter portion branch is positioned at the side away from Connection Block, and internal diameter is greater than the internal diameter of path part; Said mutual interlocking gear also comprises the interlock of the end that is positioned at pipe link, and the external diameter of said interlock is greater than the internal diameter of said path part.
8. expanding energy absorption device according to claim 1 is characterized in that, the said medial surface that said inner chamber cooperates with said pipe link is positioned on the path part.
9. expanding energy absorption device according to claim 7; It is characterized in that; Said interlock comprises axially relatively-stationary nut, cover plate and the screw that is connected on the pipe link, and said nut is paperwrapped in the end of pipe link, and said cover plate covers the end face of pipe link.
10. expanding energy absorption device according to claim 1 is characterized in that, said expansion set comprises a taper platform towards Connection Block, and said taper platform extend in the converting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203107854U CN202264797U (en) | 2011-08-25 | 2011-08-25 | Expanding type energy absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203107854U CN202264797U (en) | 2011-08-25 | 2011-08-25 | Expanding type energy absorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202264797U true CN202264797U (en) | 2012-06-06 |
Family
ID=46155606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203107854U Expired - Lifetime CN202264797U (en) | 2011-08-25 | 2011-08-25 | Expanding type energy absorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202264797U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172827A (en) * | 2015-08-27 | 2015-12-23 | 青岛四方车辆研究所有限公司 | Car coupler rear-mounted type crushing pipe with limiting device |
| WO2016101925A1 (en) * | 2014-12-26 | 2016-06-30 | 中车戚墅堰机车车辆工艺研究所有限公司 | Buffer, railway vehicle buffer apparatus, and buffer system thereof |
| KR101746690B1 (en) * | 2015-09-16 | 2017-06-14 | 유진기공산업주식회사 | Shock Absorbing Device for Rolling Stock |
| KR101762733B1 (en) * | 2015-12-17 | 2017-07-31 | 한국철도기술연구원 | shock absorber apparatus for coupling of railway vehicle |
| CN109641599A (en) * | 2016-08-16 | 2019-04-16 | 福伊特专利有限公司 | For connector, the especially deformation tube of train connector and train connector |
| CN111891169A (en) * | 2020-08-12 | 2020-11-06 | 中车株洲电力机车有限公司 | Rail transit car coupler buffering energy-absorbing device |
-
2011
- 2011-08-25 CN CN2011203107854U patent/CN202264797U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016101925A1 (en) * | 2014-12-26 | 2016-06-30 | 中车戚墅堰机车车辆工艺研究所有限公司 | Buffer, railway vehicle buffer apparatus, and buffer system thereof |
| CN105172827A (en) * | 2015-08-27 | 2015-12-23 | 青岛四方车辆研究所有限公司 | Car coupler rear-mounted type crushing pipe with limiting device |
| CN105172827B (en) * | 2015-08-27 | 2018-01-30 | 中车青岛四方车辆研究所有限公司 | The rear-mounted conquassation pipe of hitch with stopping means |
| KR101746690B1 (en) * | 2015-09-16 | 2017-06-14 | 유진기공산업주식회사 | Shock Absorbing Device for Rolling Stock |
| KR101762733B1 (en) * | 2015-12-17 | 2017-07-31 | 한국철도기술연구원 | shock absorber apparatus for coupling of railway vehicle |
| CN109641599A (en) * | 2016-08-16 | 2019-04-16 | 福伊特专利有限公司 | For connector, the especially deformation tube of train connector and train connector |
| CN111891169A (en) * | 2020-08-12 | 2020-11-06 | 中车株洲电力机车有限公司 | Rail transit car coupler buffering energy-absorbing device |
| WO2022033270A1 (en) * | 2020-08-12 | 2022-02-17 | 中车株洲电力机车有限公司 | Deformable tube, coupler cushioning energy-absorption device for rail transit vehicle, and rail vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee after: CRRC QISHUYAN INSTITUTE CO., LTD. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 81, No. Patentee before: Nanche Qisuyan Engine and Vehicle Technics Institute Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120606 |