CN102717812B - Derail and overturn preventing device for railway vehicle - Google Patents
Derail and overturn preventing device for railway vehicle Download PDFInfo
- Publication number
- CN102717812B CN102717812B CN201210236636.7A CN201210236636A CN102717812B CN 102717812 B CN102717812 B CN 102717812B CN 201210236636 A CN201210236636 A CN 201210236636A CN 102717812 B CN102717812 B CN 102717812B
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- rail
- lock pin
- angled
- dumping
- lift splits
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Abstract
A derail and overturn preventing device for a railway vehicle adopts the structure that an overturn preventing base is fixed at the bottom of a wheel set axle box; the outer side at the bottom of the overturn preventing base extends downwards to form a transom bar; the hinging end of an overturn preventing bar is hinged to the inner side at the bottom of the overturn preventing base; an inclined chute inclined outwards from the top down is formed in the middle at the bottom of the overturn preventing base; an inclined sliding block is mounted in the inclined chute; a key slot on the inner side of the inclined sliding block is matched with teeth on the peripheral surface at the hinging end of the overturn preventing bar; the outer side at the lower part of the inclined sliding block shrinks inwards to form a 7-shaped locking tooth; a lock pin slot is formed in the inner side at the upper part of the transom bar; a lock pin is inserted in the lock pin slot; the rear end part of the lock pin is connected with the end part of the lock pin slot through a spring; when the inclined sliding block is arranged in the uppermost position of the inclined chute, the lock pin is matched with the locking tooth on the inclined sliding block; and when the inclined sliding block is arranged in the bottommost position of the inclined chute, the locking tooth is matched with a limiting stopper on the inner side of the transom bar. According to the device, a vehicle can be not only limited from derailing further, but also prevented from overturning after derailing. The device is simple in structure, convenient to mount, low in cost, and easy to realize in engineering.
Description
Technical field
The present invention relates to the safety device after a kind of rail vehicles derailing.
Background technology
Along with the fast development of high speed train, its safety in operation is the focus that people pay close attention to always.After particularly 7.23 accidents occur, the safety of train driving causes national great attention especially.Because railway vehicle travels on the track of two openings, it is a kind of semi-constrained structure, the contact between wheel track that places one's entire reliance upon of the operation of vehicle and guiding, except wheel is to not other constraint wheel rim, this just makes vehicle derailing under extreme line condition can hardly be avoided, particularly when earthquake occurs and while passing through the complicated line conditions such as sharp radius curve.As everyone knows, the derailing of train will cause extremely serious personal casualty and social influence, the prevention that alleviates both at home and abroad now or avoid the technology of derailing harm to focus mostly on before derailing, alleviate or the apparatus and method of avoiding endangering after derail seldom.Existing derailing rear is mainly that derailment-proof guard rail is installed in orbit, to limit the cross travel after vehicle derailing.The problem of its existence is, 1, can only limit the cross travel of vehicle, and do not have the effect that prevents that vehicle from toppling; 2, because cost is too high, cannot install completely, can only be arranged on the obviously Dangerous Area such as bridge, sharp turn, but train may derail completely because of various reasons on the section of " seemingly normal ", protective action is limited.
Summary of the invention
The object of this invention is to provide a kind of railway vehicle derailing Overthrow preventing device, this device can limit the further offset track of vehicle after vehicle derailing, can prevent that again vehicle from toppling; And it is simple in structure, easy for installation, and cost is low, and Project Realization is easy.
The present invention realizes the technical scheme that its goal of the invention adopts: a kind of railway vehicle derailing Overthrow preventing device, is characterized in that:
Wheel is fixed with anti-dumping pedestal to axle box bottom; The bottom outside of anti-dumping pedestal is stretched out formation strut rail downwards, and the pin jointed end of the bottom inside of anti-dumping pedestal and anti-dumping gear is hinged; The middle part of anti-dumping base bottom has the oblique chute of flare from the top down; Tiltedly in chute, angled-lift splits is installed, the keyway of angled-lift splits inner side coordinates with the tooth on the pin jointed end side face of anti-dumping gear; The outside of angled-lift splits middle and lower part inside contracts the locking teeth of formation " 7 " font, and crosspiece upper inner has lock pin groove, and lock pin inserts in lock pin groove and the rearward end of lock pin is connected with lock pin groove end by spring; When angled-lift splits is positioned at oblique chute uppermost position, locking teeth coordinates with lock pin; When angled-lift splits is positioned at oblique chute its lowermost position, locking teeth coordinates with the limiting stopper of strut rail inner side.
Working process of the present invention and principle are:
While not derailing, due to the deadweight of angled-lift splits, angled-lift splits moves down, and causes the limiting stopper of the locking teeth of angled-lift splits middle and lower part and strut rail inner side to coordinate to be limiting stopper close and withstand locking teeth, and angled-lift splits can not be moved down again, and limited.Overturn-preventing gear is driven upwards rotation by the keyway of angled-lift splits and draws in the bottom of overturn-preventing pedestal.The wheels such as strut rail and overturn-preventing gear do not contact with track the parts of axle box bottom, and train normally travels in orbit.
As train for a certain reason derails, wherein always there is the wheel of a side, to track inner side, lateral excursion occurs, then make the axle box in outside be positioned at above the rail of this side, with the strut rail stretching out under overturn-preventing pedestal lateral, rear axle casing bottom, to be stuck in the outside of track, further there is cross travel in restriction vehicle.Simultaneously because vehicle after derailing sinks, the angled-lift splits bottom at overturn-preventing pedestal middle part will contact with the rail head of track, the track pushing tow angled-lift splits that makes progress, angled-lift splits is along oblique chute upward sliding, the keyway of angled-lift splits drives the pin jointed end of overturn-preventing gear to rotate and then drives overturn-preventing gear to rotate, make overturn-preventing gear and strut rail clamp the rail head of track, prevent that vehicle from covering to skew square neck; Now angled-lift splits is in oblique chute uppermost position, lock pin position on the position alignment strut rail of its locking teeth, lock pin ejects to the inside under the effect of spring, coordinate with locking slot the locking position of overturn-preventing gear, make overturn-preventing gear and strut rail maintenance clamp the state of rail head, good performance overturn-preventing effect.
Compared with prior art, the invention has the beneficial effects as follows:
One, whole device only forms the overturn-preventing pedestal of axle box bottom and strut rail and hinged several parts such as overturn-preventing gear by being installed on wheel, simple in structure, easy for installation; Only on vehicle, install, a joint car only need to be installed 8 devices, just can realize the whole process derailing protection of train, than its cost of derailing counter-rail apparatus being installed completely on the line, significantly reduces, and Project Realization is easy.
Two, the present invention can prevent the further cross travel after derail, can stop again train to topple, and its protective action is strong, can effectively alleviate the harm after derail.
The inside bending in above-mentioned strut rail bottom becomes to hook the projection of shape; Anti-dumping gear is also the projection that hooks shape with the relative position of strut rail projection.
Like this, after train derails, overturn-preventing gear and strut rail catch on the rail head of track, thereby more firmly clamp the rail head of track, better produce the effect that vehicle topples that prevents.
Above-mentioned strut rail medial surface is inlaid with damping rubber block and wearing plate successively.
Rubber pad and wearing chunk, can play and alleviate after derailing, and the high-frequency percussion between transverse gear and track, to improve the reliability of this device, guarantees the ability that it stops further cross travel and overturn-preventing.
The height of above-mentioned strut rail is greater than the height of rail head of rail, but lower than rail head and web of the rail height sum.
Like this, can guarantee that strut rail can contact with track rail head completely, better to bring into play the further cross travel of vehicle and the effect of toppling of preventing.
The transverse distance of above-mentioned strut rail inner side and the pin jointed end of anti-dumping gear is more than or equal to the width of rail head of rail.
Like this, can guarantee that strut rail and overturn-preventing gear can well clamp track rail head after vehicle derailing, better to bring into play the further cross travel of vehicle and the effect of toppling of preventing.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is that the device of the embodiment of the present invention is arranged on car load, schematic diagram during normal vehicle operation.
Fig. 2 is the main TV structure schematic diagram of amplification of the device of the embodiment of the present invention.
Fig. 3 is that TV structure schematic diagram is analysed and observe in the amplification of the device of the embodiment of the present invention.
Fig. 4 is that the device of this inventive embodiments is arranged on car load, schematic diagram during vehicle derailing
Fig. 5 is that the device of the embodiment of the present invention is made the main TV structure schematic diagram of amplification of used time at vehicle derailing, generation overturn-preventing.
The specific embodiment
Fig. 1-Fig. 5 illustrates, and a kind of specific embodiment of the present invention is a kind of railway vehicle derailing Overthrow preventing device, it is characterized in that: wheel is fixed with anti-dumping pedestal 2 to axle box 1 bottom; The bottom outside of anti-dumping pedestal 2 is stretched out downwards and is formed strut rail 3, and the pin jointed end 401 of the bottom inside of anti-dumping pedestal 2 and anti-dumping gear 4 is hinged; The middle part of anti-dumping pedestal 2 bottoms has the oblique chute 201 of flare from the top down; Tiltedly in chute 201, angled-lift splits 5 is installed, the tooth that the keyway of angled-lift splits 5 inner sides and anti-dumping are kept off on 4 pin jointed end 401 side faces coordinates; The outside of angled-lift splits 5 middle and lower parts inside contracts the locking teeth 202 of formation " 7 " font, and crosspiece 3 upper inner have lock pin groove, and lock pin 301 inserts in lock pin groove and the rearward end of lock pin 301 is connected with lock pin groove end by spring 203; When angled-lift splits 5 is positioned at oblique chute 201 uppermost position, locking teeth 202 coordinates with lock pin 301; When angled-lift splits 5 is positioned at oblique chute 201 its lowermost position, 202 of locking teeths coordinate with the limiting stopper 305 of strut rail 3 inner sides.
These routine strut rail 3 inside bendings in bottom become to hook the projection 302 of shape; Anti-dumping gear 4 is also the projection 402 that hooks shape with the relative position of strut rail projection 302.
Strut rail 3 medial surfaces are inlaid with damping rubber block 303 and wearing plate 304 successively.
The height of strut rail 3 is greater than the height of the rail head 601 of rail 6, but lower than rail head 601 and the web of the rail 602 height sums.
The transverse distance of the pin jointed end 401 of strut rail 3 inner sides and anti-dumping gear 4 is more than or equal to the width of the rail head 601 of rail 6.
Working process and principle that this is routine are:
While not derailing, see Fig. 1-3, due to the deadweight of angled-lift splits 5, angled-lift splits 5 moves down, cause the locking teeth 202 of angled-lift splits 5 middle and lower parts and the limiting stopper 305 of strut rail 3 inner sides to coordinate to be limiting stopper near and withstand locking teeth, angled-lift splits can not be moved down again, and limited.Overturn-preventing gear 202 is driven upwards rotation by the keyway of angled-lift splits 5 and draws in the bottom of overturn-preventing pedestal 2.Strut rail 3 and overturn-preventing keep off the wheels such as 202 parts of axle box bottom are not contacted with track, and train normally travels in orbit.
See Fig. 4, Fig. 5, during derailing, always there is the wheel of a side, to track inner side, lateral excursion occurs, then the axle box outside making is positioned at rail 6 tops of this side, then the strut rail 3 stretching out under overturn-preventing pedestal lateral, axle box bottom, to be stuck in the outside of track, further there is cross travel in restriction vehicle.Simultaneously because vehicle after derailing sinks, angled-lift splits 5 bottoms at overturn-preventing pedestal middle part will contact with the rail head of track, the track pushing tow angled-lift splits that makes progress, angled-lift splits is along oblique chute upward sliding, the keyway of angled-lift splits drives the pin jointed end 401 of overturn-preventing gear to rotate and then drives overturn-preventing gear 202 to rotate, make overturn-preventing gear 202 and strut rail 3 clamp the rail head 601 of track, prevent that vehicle from covering to skew square neck; Now angled-lift splits 5 is in oblique chute 201 uppermost position, lock pin 301 positions on the position alignment strut rail of its locking slot 202, lock pin ejects to the inside under the effect of spring, coordinate with locking slot 202 locking position of overturn-preventing gear 202, make overturn-preventing gear 202 and strut rail 3 maintenances clamp the state of rail head 601, good performance overturn-preventing effect.
Claims (5)
1. a railway vehicle derailing Overthrow preventing device, is characterized in that:
Wheel is fixed with anti-dumping pedestal (2) to axle box (1) bottom; The bottom outside of anti-dumping pedestal (2) is stretched out downwards and is formed strut rail (3), and the pin jointed end (401) of the bottom inside of anti-dumping pedestal (2) and anti-dumping gear (4) is hinged; The middle part of anti-dumping pedestal (2) bottom has the oblique chute (201) of flare from the top down; Tiltedly in chute (201), angled-lift splits (5) is installed, the keyway of angled-lift splits (5) inner side coordinates with the tooth on pin jointed end (401) side face of anti-dumping gear (4); The outside of angled-lift splits (5) middle and lower part inside contracts the locking teeth (202) of formation " 7 " font, crosspiece (3) upper inner has lock pin groove, and lock pin (301) inserts in lock pin groove and the rearward end of lock pin (301) is connected with lock pin groove end by spring (203); When angled-lift splits (5) is positioned at oblique chute (201) uppermost position, locking teeth (202) coordinates with lock pin (301); When angled-lift splits (5) is positioned at oblique chute (201) its lowermost position, locking teeth (202) coordinates with the limiting stopper (305) of strut rail (3) inner side.
2. a kind of railway vehicle derailing Overthrow preventing device according to claim 1, is characterized in that: the inside bending in described strut rail (3) bottom becomes to hook the projection (302) of shape; Anti-dumping gear (4) is also the projection (402) that hooks shape with the relative position of strut rail projection (302).
3. a kind of railway vehicle derailing Overthrow preventing device according to claim 1, is characterized in that: described strut rail (3) medial surface is inlaid with damping rubber block (303) and wearing plate (304) successively.
4. according to a kind of railway vehicle derailing Overthrow preventing device claimed in claim 1, it is characterized in that: the height of described strut rail (3) is greater than the height of the rail head (601) of rail (6), but lower than rail head (601) and the web of the rail (602) height sum.
5. according to a kind of railway vehicle derailing Overthrow preventing device claimed in claim 1, it is characterized in that: the transverse distance of the pin jointed end (401) of described strut rail (3) inner side and anti-dumping gear (4) is more than or equal to the width of the rail head (601) of rail (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210236636.7A CN102717812B (en) | 2012-07-10 | 2012-07-10 | Derail and overturn preventing device for railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210236636.7A CN102717812B (en) | 2012-07-10 | 2012-07-10 | Derail and overturn preventing device for railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102717812A CN102717812A (en) | 2012-10-10 |
| CN102717812B true CN102717812B (en) | 2014-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210236636.7A Expired - Fee Related CN102717812B (en) | 2012-07-10 | 2012-07-10 | Derail and overturn preventing device for railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102717812B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476137B (en) * | 2014-12-09 | 2017-04-05 | 南京梅山冶金发展有限公司 | A kind of down-hole 10m3Mine tram wheel is to position limitation protection method |
| WO2018068163A1 (en) * | 2016-10-14 | 2018-04-19 | 杨琴 | Device for preventing train derailment |
| CN109178022B (en) * | 2018-09-29 | 2024-02-06 | 同济大学 | High-speed train system with new wheel rail driven in distributed mode |
| CN110877626B (en) * | 2019-12-12 | 2020-11-13 | 江苏金洋机械有限公司 | Braking equipment for effectively reducing derailment of high-speed emergency brake train |
| CN113753148B (en) * | 2021-09-29 | 2022-10-04 | 中国建筑第八工程局有限公司 | Self-climbing robot suitable for connecting profile steel and operation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004168158A (en) * | 2002-11-19 | 2004-06-17 | East Japan Railway Co | Safety device against overturning for insulation tower |
| JP2008143495A (en) * | 2006-12-11 | 2008-06-26 | Shozaburo Sato | Train levitation and derailing preventing device |
| CN201257966Y (en) * | 2008-06-25 | 2009-06-17 | 哈尔滨轨道交通装备有限责任公司 | Pneumatic self overturning anti-buckling bucket apparatus |
| CN102233881A (en) * | 2010-04-30 | 2011-11-09 | 襄樊金鹰轨道车辆有限责任公司 | Anti-rollover device of railway vehicle |
| CN202669835U (en) * | 2012-07-10 | 2013-01-16 | 西南交通大学 | Derailing overturning preventing equipment for railway vehicle |
-
2012
- 2012-07-10 CN CN201210236636.7A patent/CN102717812B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004168158A (en) * | 2002-11-19 | 2004-06-17 | East Japan Railway Co | Safety device against overturning for insulation tower |
| JP2008143495A (en) * | 2006-12-11 | 2008-06-26 | Shozaburo Sato | Train levitation and derailing preventing device |
| CN201257966Y (en) * | 2008-06-25 | 2009-06-17 | 哈尔滨轨道交通装备有限责任公司 | Pneumatic self overturning anti-buckling bucket apparatus |
| CN102233881A (en) * | 2010-04-30 | 2011-11-09 | 襄樊金鹰轨道车辆有限责任公司 | Anti-rollover device of railway vehicle |
| CN202669835U (en) * | 2012-07-10 | 2013-01-16 | 西南交通大学 | Derailing overturning preventing equipment for railway vehicle |
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| Publication number | Publication date |
|---|---|
| CN102717812A (en) | 2012-10-10 |
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| PB01 | Publication | ||
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Granted publication date: 20141015 Termination date: 20170710 |