CN2402711Y - Steel rail - Google Patents
Steel rail Download PDFInfo
- Publication number
- CN2402711Y CN2402711Y CN 99250572 CN99250572U CN2402711Y CN 2402711 Y CN2402711 Y CN 2402711Y CN 99250572 CN99250572 CN 99250572 CN 99250572 U CN99250572 U CN 99250572U CN 2402711 Y CN2402711 Y CN 2402711Y
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- CN
- China
- Prior art keywords
- rail
- utility
- model
- steel rail
- train
- 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 - Fee Related
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Abstract
The utility model relates to a steel rail, which comprises an I-steel structure of an original steel rail. The utility model is characterized in that one end part of the I-steel rail is provided with a dummy club structure or a groove structure, and the other end part of the I-steel rail is correspondingly provided with a dummy club structure or a groove structure. Because a connection structure between the steel rails of the utility model is changed, impact between a wheel and the steel rail can be effectively avoided. Thereby, the utility model has the advantages of reasonable and simple structure and no any cost increasing. The utility model lightens noise hazard to travelers and inhabitants who live along a railway and makes the running of a train much stabler, which enhances the security of train running and extends the service life of the railway and the train. The utility model saves maintenance costs. The utility model is simultaneously favorable to the speed acceleration of the train.
Description
The utility model belongs to the rail facility technical field, specifically a kind of improvement to railway track.
As everyone knows, existing railway for fear of the damage rail that expands with heat and contract with cold, all is provided with rail gap (common rail has 80 rail gaps for every kilometer), and rail gap brings a lot of adverse effects for the operation of train.Train is in operation and is easy to generate strenuous vibration, sends very big noise, promptly influences the passenger and has a rest, and also railway environment is on the way produced noise nuisance.Simultaneously, because wheel and every one steel rail end are constantly impacted, the rail gap place just produces depressed phenomenon, has aggravated rail creeping, and wheel and rail are damaged easily.According to statistics, the rhegma phenomenon appears in rail, has 60% to be to occur in the joint, and railway of maintenance is used to keep in repair the expense of joint, account for the 30-50% that the whole circuit fees of maintenance are used.In order to remedy above-mentioned deficiency, so-called " gapless track " appearred again in the railway, but fundamentally do not solve the rail gap problem yet and (just reduced rail gap, common every 1-2 kilometer has 1 rail gap), it adopts the method for " positive lock ", with a lot of special fasteners, rail firmly is fixed on the sleeper freedom of restriction rail breathing.Lay " gapless track " with the positive lock method, the rail temperature problem (fastening-down temperature of rail) in the time of must solving the locking rail.Otherwise, the fastening-down temperature of rail height, the temperature pulling force that winter, rail produced is big, and the temperature, pressure that summer, rail produced is little; Fastening-down temperature of rail is low, and the temperature pulling force that winter, rail produced is little, and the temperature, pressure that summer, rail produced is big, and this intensity to track all is disadvantageous with stablizing.The existence of fastening-down temperature of rail has determined rail not lay at any time and to change, and maintenance, maintenance, the use of railway brought new adverse effect.
The purpose of this utility model provides a kind of existence of eliminating because of rail gap makes wheel and end of rail produce the novel rail that impacts, and has therefore avoided train to produce strenuous vibration and produces a thundering noise, and improves the application life of train operation environment and rail.
The purpose of this utility model is achieved in that it comprises the i-beam structure of former rail, it is characterized in that being provided with boss or groove structure in an end of i iron rail, and is provided with groove or boss structure in the other end of rail correspondence.
The utility model is owing to the syndeton that has only changed between the rail, promptly can avoid the impact between wheel and the rail effectively, therefore have simple and reasonable, need not increase any cost, alleviate greatly passenger and railway resident's noise nuisance on the way, make train operation more steady, thereby improve the safety of train operation; Prolong the application life of railway and train, and saved maintenance costs greatly, easy to maintenance; Be beneficial to train speed raising simultaneously.
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the simplified schematic diagram of overlooking of joint portion, the utility model end
Fig. 2 is that the A-A of Fig. 1 is to sectional drawing
Shown in Fig. 1,2,1 among the figure and 2 is respectively two i iron rail that interconnect (is example with the single track), is provided with a groove 3 in an end of i iron rail 1, and the corresponding boss 4 that is provided with in the end of the rail 2 that is connected with this rail.In order to make the immense pressure that coupling part can bear train between the rail, then be provided with in the bottom of the boss 4 of end of rail to support and connect steel plate 5.This steel plate 5 and rail welding had both played the anastomosis between the rail together, played the supporting role to rail again.When wheel by rail 1 when rail 2 moves to a-b section rail gap because the support of rail 1 is arranged, impact so can not produce to the b of rail 2 end; When wheel moves to the b-c section, two one steel rail together support wheels; When wheel moved to c-d section rail gap, rail 2 continued support wheel, and wheel also can not produce the d end of rail 2 and impact, and so far wheel has been finished by the transition of rail 1 to rail 2, and any one steel rail generation is impacted.When the wheel traffic direction was opposite, principle was identical.Because the rail gap between two one steel rails still exists, therefore, the influence that rail expands with heat and contract with cold is identical with original railway, can not cause any harm.
Claims (2)
1, a kind of Rail for railway, it comprises the i-beam structure of former rail, it is characterized in that being provided with boss or groove structure in an end of i iron rail, and is provided with groove or boss structure in the other end of rail correspondence.
2, rail according to claim 1 is characterized in that being provided with supporting in the bottom of the ledge of end of rail connects steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99250572 CN2402711Y (en) | 1999-12-09 | 1999-12-09 | Steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99250572 CN2402711Y (en) | 1999-12-09 | 1999-12-09 | Steel rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2402711Y true CN2402711Y (en) | 2000-10-25 |
Family
ID=34035284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99250572 Expired - Fee Related CN2402711Y (en) | 1999-12-09 | 1999-12-09 | Steel rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2402711Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396873A (en) * | 2019-07-31 | 2019-11-01 | 黎李韦 | Destressing rail link block group |
-
1999
- 1999-12-09 CN CN 99250572 patent/CN2402711Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396873A (en) * | 2019-07-31 | 2019-11-01 | 黎李韦 | Destressing rail link block group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |