CN102069815B - Rolling stock and locking device used for same - Google Patents
Rolling stock and locking device used for same Download PDFInfo
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- CN102069815B CN102069815B CN 201010608119 CN201010608119A CN102069815B CN 102069815 B CN102069815 B CN 102069815B CN 201010608119 CN201010608119 CN 201010608119 CN 201010608119 A CN201010608119 A CN 201010608119A CN 102069815 B CN102069815 B CN 102069815B
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Abstract
The invention provides a rolling stock and a locking device used for the same. The locking device used for the rolling stock comprises a one-way hydraulic valve, a piston cylinder, a piston rod and a returning spring, wherein the one-way hydraulic valve is connected with a hydraulic fluid port of the piston cylinder; the piston rod is arranged in the piston cylinder in a sliding way; the returning spring is positioned in the piston cylinder; one end of the returning spring is pressed against the piston cylinder; and the other end of the returning spring is pressed against the piston rod. The piston rod can be extended out of the piston cylinder by injecting high-pressure oil into the piston cylinder of a control box through the one-way hydraulic valve; when the piston cylinder relieves a pressure, the piston rod can be retracted into the piston cylinder by the returning spring; when lifting equipment is arranged on the rolling stock or a heavy load is in unbalanced loading, the piston rod is pressed against a wheel pair axle box of a steering frame by extending the piston rod, so that the locking device used for the rolling stock forms rigid connection between the wheel pair axle box of the steering frame and a framework; therefore, the reliability of the rolling stock is improved by the locking device used for the rolling stock.
Description
Technical field
The present invention relates to rolling stock equipment, relate in particular to a kind of used for rolling stock locking device and rolling stock.
Background technology
At present, rolling stock is the vehicle that people use always, and the bogie truck in the rolling stock is the important composition parts of rolling stock, and the wheel that bogie truck comprises framework, be hinged on the framework bottom is to axle box and shock absorber.The shock absorber of bogie truck is that shock absorber and two is that shock absorber is formed by one usually in the rolling stock; One is that shock absorber is generally by cylindrically coiled spring and oil-pressure damper and forms, and cylindrically coiled spring and oil-pressure damper are between framework and wheel are to axle box; And two be mostly shock absorber is air bellow, and air bellow is positioned at the top of framework.Under the rolling stock mode of operation, be elastic carrier, load metamorphism is big.If when lifting appliance or heavy lift unbalance loading are housed on rolling stock, rolling stock is easy to because of one being that shock absorber is out of shape excessive inefficacy and turns on one's side in lifting side or unbalance loading side, thereby causes the reliability of prior art rolling stock lower.
Summary of the invention
Technical matters to be solved by this invention is: a kind of used for rolling stock locking device and rolling stock are provided, solve the lower defective of reliability of prior art rolling stock, realize improving through the used for rolling stock locking device reliability of rolling stock.
Technical scheme provided by the invention is; A kind of used for rolling stock locking device comprises unidirectional hydraulic valve, piston cylinder, piston rod and retracing spring, and said unidirectional hydraulic valve is communicated with the hydraulic fluid port of said piston cylinder; Said piston rod is slidingly installed in the said piston cylinder; Said retracing spring is arranged in said piston cylinder, and an end of said retracing spring is resisted against on the said piston cylinder, and the other end of said retracing spring is resisted against on the said piston rod.
Used for rolling stock locking device provided by the invention; Through injecting high pressure oil in the unidirectional hydraulic valve control box piston cylinder; Can make piston rod stretch out piston cylinder; And when the piston cylinder pressure release, retracing spring can make piston rod shrink into piston cylinder, when lifting appliance or heavy lift unbalance loading are housed on rolling stock; Make wheel that piston rod is resisted against bogie truck on the axle box through stretching out piston rod; The used for rolling stock locking device is formed between the wheel of bogie truck is to axle box and framework be rigidly connected, actv. avoids rolling stock to be easy to because of one being that shock absorber is out of shape excessive inefficacy and turns on one's side in lifting side or unbalance loading side, and realization has improved the reliability of rolling stock through the used for rolling stock locking device.
Aforesaid used for rolling stock locking device, firm for ease is fixed on the used for rolling stock locking device on the bogie truck, also is provided with cylinder ear on the urceolus of said piston cylinder.
Aforesaid used for rolling stock locking device; Reliability for more effective raising rolling stock; Prevent that air bellow from inefficacy taking place and cause the rolling stock rollover; The used for rolling stock locking device also comprises the control setup of the air bellow that is used for said unidirectional hydraulic valve of chain control and rolling stock, and said control setup is electrically connected with said unidirectional hydraulic valve.
Technical scheme provided by the invention is that a kind of rolling stock comprises bogie truck; Said bogie truck is provided with cylindrically coiled spring, oil-pressure damper and air bellow; Also comprise the used for rolling stock locking device, said used for rolling stock locking device comprises unidirectional hydraulic valve, piston cylinder, piston rod and retracing spring, and said unidirectional hydraulic valve is communicated with the hydraulic fluid port of said piston cylinder; Said piston rod is slidingly installed in the said piston cylinder; Said retracing spring is arranged in said piston cylinder, and an end of said retracing spring is resisted against on the said piston cylinder, and the other end of said retracing spring is resisted against on the said piston rod; Said piston cylinder is installed on the framework of said bogie truck, said piston rod towards the wheel of said bogie truck to axle box.
Rolling stock provided by the invention; Through injecting high pressure oil in the unidirectional hydraulic valve control box piston cylinder; Can make piston rod stretch out piston cylinder; And when the piston cylinder pressure release, retracing spring can make piston rod shrink into piston cylinder, when lifting appliance or heavy lift unbalance loading are housed on rolling stock; Make wheel that piston rod is resisted against bogie truck on the axle box through stretching out piston rod; The used for rolling stock locking device is formed between the wheel of bogie truck is to axle box and framework be rigidly connected, actv. avoids rolling stock to be easy to because of one being that shock absorber is out of shape excessive inefficacy and turns on one's side in lifting side or unbalance loading side, and realization has improved the reliability of rolling stock through the used for rolling stock locking device.
Aforesaid rolling stock, firm for ease is fixed on the used for rolling stock locking device on the bogie truck, also is provided with cylinder ear on the urceolus of said piston cylinder.
Aforesaid used for rolling stock locking device; Reliability for more effective raising rolling stock; Prevent that air bellow from inefficacy taking place and cause the rolling stock rollover; The used for rolling stock locking device also comprises the control setup that is used for said unidirectional hydraulic valve of chain control and said air bellow, and said control setup is electrically connected with the valve of said unidirectional hydraulic valve and said air bellow respectively.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of used for rolling stock locking device embodiment of the present invention;
Fig. 2 is the structural representation one of rolling stock embodiment of the present invention;
Fig. 3 is the structural representation two of rolling stock embodiment of the present invention.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Fig. 1 is the structural representation of used for rolling stock locking device embodiment of the present invention.As shown in Figure 1; Present embodiment used for rolling stock locking device comprises unidirectional hydraulic valve 4, piston cylinder 1, piston rod 2 and retracing spring 3, and unidirectional hydraulic valve 4 is communicated with the hydraulic fluid port 11 of piston cylinder 1; Piston rod 2 is slidingly installed in the piston cylinder 1; Retracing spring 3 is arranged in piston cylinder 1, and an end of retracing spring 3 is resisted against on the piston cylinder 1, and the other end of retracing spring 3 is resisted against on the piston rod 2.
Particularly; Present embodiment used for rolling stock locking device is installed on the framework of bogie truck of rolling stock; Enter into piston cylinder 1 through unidirectional hydraulic valve 4 control high pressure oils; The wheel that makes piston rod 2 stretch out piston cylinder 1 and be resisted against bogie truck is on the axletree; Thereby framework and wheel are rigidly connected to forming through present embodiment used for rolling stock locking device between the axletree, thereby actv. avoid rolling stock to be easy to because of one being that shock absorber is out of shape the phenomenon that excessive inefficacy is turned on one's side in lifting side or unbalance loading side.
Further; Reliability for more effective raising rolling stock; Prevent that air bellow from inefficacy taking place and cause the rolling stock rollover; Present embodiment used for rolling stock locking device also comprises the control setup (not shown) of the air bellow that is used for unidirectional hydraulic valve 4 of chain control and rolling stock, and this control setup is electrically connected with unidirectional hydraulic valve 4.Concrete; Control setup in the present embodiment can adopt function uniies such as independent micro controller system, and the car running computer in also can public rolling stock is through the air bellow in the unidirectional hydraulic valve 4 of the chain control of control setup and the rolling stock; When present embodiment used for rolling stock locking device is started working; Control setup is controlled unidirectional hydraulic valve 4 on the one hand makes high pressure oil enter into piston cylinder 1, and the valve event of control air spring begins venting simultaneously on the other hand, thereby makes the integral structure of bogie truck be in rigid state; Further avoid locomotive vehicle rollover, the reliability of more effective raising rolling stock taking place because of air bellow loses efficacy.
Wherein, firm for ease is fixed on present embodiment used for rolling stock locking device on the bogie truck, also is provided with cylinder ear 12 on the urceolus of the piston cylinder 1 in the present embodiment.Can present embodiment used for rolling stock locking device firmly be fixed on the framework of bogie truck easily through cylinder ear 12, thereby guarantee that present embodiment used for rolling stock locking device can be on the fixing bogie truck of firm actv. of when work.
Present embodiment used for rolling stock locking device; Through injecting high pressure oil in the unidirectional hydraulic valve control box piston cylinder; Can make piston rod stretch out piston cylinder; And when the piston cylinder pressure release, retracing spring can make piston rod shrink into piston cylinder, when lifting appliance or heavy lift unbalance loading are housed on rolling stock; Make wheel that piston rod is resisted against bogie truck on the axle box through stretching out piston rod; The used for rolling stock locking device is formed between the wheel of bogie truck is to axle box and framework be rigidly connected, actv. avoids rolling stock to be easy to because of one being that shock absorber is out of shape excessive inefficacy and turns on one's side in lifting side or unbalance loading side, and realization has improved the reliability of rolling stock through the used for rolling stock locking device.
Fig. 2 is the structural representation one of rolling stock embodiment of the present invention, and Fig. 3 is the structural representation two of rolling stock embodiment of the present invention.As shown in Figures 2 and 3, the present embodiment rolling stock comprises bogie truck 101; Bogie truck 101 is provided with cylindrically coiled spring 1011, oil-pressure damper 1012 and air bellow 1013; Also comprise used for rolling stock locking device 102, used for rolling stock locking device 102 comprises unidirectional hydraulic valve, piston cylinder, piston rod 1021 and retracing spring, and unidirectional hydraulic valve is communicated with the hydraulic fluid port of piston cylinder; Piston rod 1021 is slidingly installed in the piston cylinder; Retracing spring is arranged in piston cylinder, and an end of retracing spring is resisted against on the piston cylinder, and the other end of retracing spring is resisted against on the piston rod 1021; Piston cylinder is installed on the framework 1014 of bogie truck 101, piston rod 1021 towards the wheel of bogie truck 101 to axle box 1015.
Particularly; The present embodiment rolling stock is installed with used for rolling stock locking device 102 on the framework 1014 of bogie truck 101; Wherein, firm for ease is fixed on used for rolling stock locking device 102 on the bogie truck 101, can also be provided with cylinder ear on the urceolus of piston cylinder.In addition, the high pressure oil that uses in the used for rolling stock locking device 102 in the present embodiment can provide through the hydraulic efficiency pressure system that self disposes in the present embodiment rolling stock.When lifting appliance or heavy lift unbalance loading are housed on the present embodiment rolling stock; Piston rod 1021 in the used for rolling stock locking device 102 will stretch out and be resisted against wheel downwards on the axle box 1015; Thereby make cylindrically coiled spring 1011 and oil-pressure damper 1012 be in relieved state, framework 1014 and wheel are rigidly connected to forming between the axle box 1015.Further; Reliability for more effective raising present embodiment rolling stock; Prevent that air bellow 1013 from inefficacy taking place and cause the rollover of present embodiment rolling stock; Used for rolling stock locking device 102 in the present embodiment also comprises the control setup that is used for unidirectional hydraulic valve of chain control and air bellow, and control setup is electrically connected with the valve of unidirectional hydraulic valve and air bellow 1013 respectively.Concrete; Control setup in the present embodiment can be the car running computer in the present embodiment rolling stock; When the piston rod 1021 of the used for rolling stock locking device 102 in the present embodiment stretched out, control setup made air bellow 1013 exhausts with the valve event of control air spring 1013; Be rigidly connected thereby make to form between lifting appliance or heavy lift and the bogie truck 101 on the present embodiment rolling stock, thereby more effectively avoid the rollover of present embodiment rolling stock.
The present embodiment rolling stock; Through injecting high pressure oil in the unidirectional hydraulic valve control box piston cylinder; Can make piston rod stretch out piston cylinder; And when the piston cylinder pressure release, retracing spring can make piston rod shrink into piston cylinder, when lifting appliance or heavy lift unbalance loading are housed on rolling stock; Make wheel that piston rod is resisted against bogie truck on the axle box through stretching out piston rod; The used for rolling stock locking device is formed between the wheel of bogie truck is to axle box and framework be rigidly connected, actv. avoids rolling stock to be easy to because of one being that shock absorber is out of shape excessive inefficacy and turns on one's side in lifting side or unbalance loading side, and realization has improved the reliability of rolling stock through the used for rolling stock locking device.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (4)
1. used for rolling stock locking device; It is characterized in that, comprise unidirectional hydraulic valve, piston cylinder, piston rod and retracing spring, said unidirectional hydraulic valve is communicated with the hydraulic fluid port of said piston cylinder; Said piston rod is slidingly installed in the said piston cylinder; Said retracing spring is arranged in said piston cylinder, and an end of said retracing spring is resisted against on the said piston cylinder, and the other end of said retracing spring is resisted against on the said piston rod;
Also be provided with cylinder ear on the urceolus of said piston cylinder;
The control setup that also comprises the air bellow that is used for said unidirectional hydraulic valve of chain control and rolling stock, said control setup is electrically connected with said unidirectional hydraulic valve.
2. a rolling stock comprises bogie truck, and said bogie truck is provided with cylindrically coiled spring, oil-pressure damper and air bellow; It is characterized in that; Also comprise the used for rolling stock locking device, said used for rolling stock locking device comprises unidirectional hydraulic valve, piston cylinder, piston rod and retracing spring, and said unidirectional hydraulic valve is communicated with the hydraulic fluid port of said piston cylinder; Said piston rod is slidingly installed in the said piston cylinder; Said retracing spring is arranged in said piston cylinder, and an end of said retracing spring is resisted against on the said piston cylinder, and the other end of said retracing spring is resisted against on the said piston rod; Said piston cylinder is installed on the framework of said bogie truck, said piston rod towards the wheel of said bogie truck to axle box.
3. rolling stock according to claim 2 is characterized in that, also is provided with cylinder ear on the urceolus of said piston cylinder, and said cylinder ear is installed on the framework of said bogie truck.
4. according to claim 2 or 3 described rolling stocks; It is characterized in that; Also comprise the control setup that is used for said unidirectional hydraulic valve of chain control and said air bellow, said control setup is electrically connected with the valve of said unidirectional hydraulic valve and said air bellow respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010608119 CN102069815B (en) | 2010-12-28 | 2010-12-28 | Rolling stock and locking device used for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010608119 CN102069815B (en) | 2010-12-28 | 2010-12-28 | Rolling stock and locking device used for same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102069815A CN102069815A (en) | 2011-05-25 |
| CN102069815B true CN102069815B (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010608119 Active CN102069815B (en) | 2010-12-28 | 2010-12-28 | Rolling stock and locking device used for same |
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| Country | Link |
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| CN (1) | CN102069815B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530009B (en) * | 2012-01-20 | 2015-04-15 | 北京二七轨道交通装备有限责任公司 | Bogie frame support device and bogie |
| CN103950455A (en) * | 2014-05-20 | 2014-07-30 | 南车四方车辆有限公司 | Bogie for engineering truck and engineering truck |
| CN106740957B (en) * | 2017-03-06 | 2018-08-31 | 宝鸡中车时代工程机械有限公司 | Two axle truck with lock function |
| CN112374347B (en) * | 2020-11-30 | 2024-08-13 | 中航电测仪器股份有限公司 | Hydraulic locking mechanism, opening and closing method and helicopter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB683211A (en) * | 1949-10-31 | 1952-11-26 | Gen Steel Castings Corp | Railway vehicle truck |
| CN1095342A (en) * | 1993-04-22 | 1994-11-23 | Abb.亨舍尔铁路车辆联合有限公司 | The running gear that is used for rail driving |
| CN2575081Y (en) * | 2002-09-18 | 2003-09-24 | 台山市英利实业有限公司 | Electric jack |
| CN201901150U (en) * | 2010-12-28 | 2011-07-20 | 南车四方车辆有限公司 | Locking device for locomotive and locomotive with locking device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4012614B2 (en) * | 1997-10-30 | 2007-11-21 | 財団法人鉄道総合技術研究所 | Bogie with tilting device for railway vehicles |
-
2010
- 2010-12-28 CN CN 201010608119 patent/CN102069815B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB683211A (en) * | 1949-10-31 | 1952-11-26 | Gen Steel Castings Corp | Railway vehicle truck |
| CN1095342A (en) * | 1993-04-22 | 1994-11-23 | Abb.亨舍尔铁路车辆联合有限公司 | The running gear that is used for rail driving |
| CN2575081Y (en) * | 2002-09-18 | 2003-09-24 | 台山市英利实业有限公司 | Electric jack |
| CN201901150U (en) * | 2010-12-28 | 2011-07-20 | 南车四方车辆有限公司 | Locking device for locomotive and locomotive with locking device |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-129900A 1999.05.18 |
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| Publication number | Publication date |
|---|---|
| CN102069815A (en) | 2011-05-25 |
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Address after: 266111 Chengyang City, Shandong Province District, Ping Road, No. 9, No. Patentee after: CRRC SIFANG CO., LTD. Address before: 266111 Chengyang City, Shandong Province District, Ping Road, No. 9, No. Patentee before: CSR Sifang Locomotive and Rolling Stock Co., Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210716 Address after: 266111 Hongping Road, Chengyang District, Qingdao, Shandong Province, No. 9 Patentee after: Qingdao CRRC Sifang Rail Vehicle Co.,Ltd. Address before: 266111 Hongping Road, Chengyang District, Qingdao, Shandong Province, No. 9 Patentee before: CRRC SIFANG Co.,Ltd. |