CN101574972A - Method for improving safe running speed of wheeltrack train and closed iron core direct current electromagnet - Google Patents
Method for improving safe running speed of wheeltrack train and closed iron core direct current electromagnet Download PDFInfo
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- CN101574972A CN101574972A CNA2008100887541A CN200810088754A CN101574972A CN 101574972 A CN101574972 A CN 101574972A CN A2008100887541 A CNA2008100887541 A CN A2008100887541A CN 200810088754 A CN200810088754 A CN 200810088754A CN 101574972 A CN101574972 A CN 101574972A
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Abstract
The invention discloses a method for improving the safe running speed of a wheeltrack train and a closed iron core direct current electromagnet, having a key technology that two direct current coils are respectively arranged on adjacent wheel shafts of the same steering frame, and the current polarity of the two direct current coils are opposite to each other; iron core magnetic circuits of the two coils form unilateral closure without a gas gap by functions of wheels and tracks; the train, the tracks and a sleeper are connected into a whole by viscous drag force generated by the moving-coil type closed iron core direct current electromagnet; and a gravity center of the train moves down and the vertical surface of the gravity center is horizontally widened so as to improve the running stability and the off-line resistant capability of the train. The method for improving the additional viscous force between the wheel tracks solves the contradiction between the speed of the train and the viscous force of the wheel tracks, thereby opening a new path for designing and manufacturing the high-speed train.
Description
Technical field:
The present invention relates to a kind of method that improves wheel-rail train safe operation speed, especially relate to a kind of method that can between the wheel of wheel-rail train and rail, increase controlled additional binding force. the invention still further relates to the DC electromagnet that realizes that this method adopts, especially relate to a kind of moving coil and close iron core direct current electromagnet.
Background technology:
As everyone knows, wheel-rail train can be finished traveling on rail, be to rely on the friction-driven between wheel and the rail to realize fully. and between the rail and wheel of prior art wheel-rail train, even if just exist a kind of deadweight binding force. therefore can not adapt to the operation that realizes high speed on the common rail of many cambers having. on high speed railway, the high speed train of some practicability also can not exceed the terminal speed of 360--400km/t. this be because: the driving method of prior art, .. can adopt a kind of method due to the contradiction between train speed and the wheel rail adhesion power if can't solve, can the binding force between train wheel and the rail be control effectively. and make train down-shift of working center and center of gravity vertical guide lateral widening, just can make all wheel-rail trains on common track, realize the high speed safe operation and make high speed train on high speed railway, carry out hyper-velocity operation.
Summary of the invention:
The present invention will provide a kind of binding force between train wheel and the rail is increased and control effectively and make the method for train down-shift of working center and train center of gravity vertical guide lateral widening. and the present invention also provides and realizes that the moving coil that this method adopted closes iron core direct current electromagnet.
As realizing basic ideas of the present invention: be exactly that the elementary iron core of DC electromagnet and coil are arranged on the wheel shaft of wheel-rail train bottom, by contacting of wheel and rail tread, make the iron circuit of DC electromagnet form closure by adjacent wheel and wheel shaft.Rely on this moving coil to close the magnetic line of force that iron core direct current electromagnet produces, train and rail and sleeper are pulled together, make the down-shift of working center and the center of gravity vertical guide of train increase to identical with the length of sleeper from the width between two rails. utilize this method that between wheel track, increases controlled additional binding force, solve the contradiction between train running speed and the wheel rail adhesion power. make all wheel-rail trains can both realize on common track that high speed safe operation and high speed train realize that on high speed railway hyper-speed moves.
In order to realize order of the present invention ground, the first kind of technical scheme that adopts is: be that two cylindrical coils are separately positioned on two wheel shafts in the middle of four car two-axle bogies. (for moving axis, then after its periphery is provided with the static body of non-magnetic material, at coiling on the body) and make two energising polarity between the cylindrical coil opposite each other. do armature with rail, by contacting of wheel and rail tread, make the iron circuit between two coils become continuous state. all between each wheel shaft that cylindrical coil is housed and the fixed frame or between the two axles are connected, all must use every magnet assembly every magnetic. to guarantee the unidirectional closure of magnetic flux. rely on this moving coil to close the magnetic line of force that iron core direct current electromagnet produces, train is become an integral body with rail and sleeper adhesive, and make the down-shift of working center of train and make the center of gravity vertical guide of train increase to identical with the length of sleeper from the width between two rails. this moving coil is closed iron core direct current electromagnet and not only can be used on motorless trailer, also can the locomotive of working power concentrated on. can also use in the middle of the self-propelled motor train unit of power distribute type.
In the present invention, also can on the wheel shaft therein coil be set, the magnetic flux that produces behind (another is an axle drive shaft) this coil electricity can select the shortest magnetic circuit to return closure from adjacent wheel and axostylus axostyle.
In order to realize order of the present invention ground, the second kind of technical scheme that adopts is: three cylindrical coils are separately positioned on three central wheel shafts of the same bogie truck of six-axle car. (for moving axis, then after its periphery is provided with the static body of non-magnetic material, at coiling on the body) and make the energising polarity between adjacent two cylindrical coils opposite each other. do armature with rail, by contacting of wheel and rail tread, make the iron circuit between the adjacent windings become continuous state. all between each wheel shaft that cylindrical coil is housed and the fixed frame or between wheel shaft are connected, all must use every magnet assembly every magnetic. to guarantee the unidirectional closure of magnetic flux. rely on this moving coil to close the magnetic line of force that iron core direct current electromagnet produces, train and rail and sleeper are pulled together, and make the down-shift of working center of train and make the center of gravity vertical guide of train increase to identical with the length of sleeper from the width between two rails. this moving coil is closed iron core direct current electromagnet and not only can be used on motorless trailer, also can the locomotive of working power concentrated on. can also use in the middle of the self-propelled motor train unit of power distribute type.
In the present invention, also can be only coil being set on therein one or two wheel shaft. the magnetic flux that (all the other are axle drive shaft) coil produces selects the shortest magnetic circuit to return closure from adjacent wheel and axostylus axostyle automatically.
In order to realize order of the present invention ground, the third technical scheme that adopts is: the two ends unshakable in one's determination of two DC electromagnet are connected on neighbour's wheel of phase. and make the energising polarity of these two DC electromagnet identical. and the magnetic flux that each DC electromagnet energising back produces, return through the front and back wheel of homonymy and the rail between the front and back wheel separately and form unidirectional closure. it should be noted that equally: other between each wheel shaft and the fixed frame or between each wheel shaft is connected, all must use every magnet assembly every magnetic. to guarantee the unidirectional closure of magnetic flux. rely on this moving coil to close the magnetic line of force that iron core direct current electromagnet produces, train and rail and sleeper are pulled together, make the down-shift of working center of train by this method and make the center of gravity vertical guide of train increase to identical with the length of sleeper from the width between two rails. utilize this method that between wheel track, increases controlled additional binding force, solve the contradiction between train running speed and the wheel rail adhesion power. make all wheel-rail trains can both realize on common track that high speed safe operation and high speed train realize that on high speed railway hyper-speed moves.
In sum, the present invention has following beneficial effect with respect to prior art.
(1) increase the method for controlled additional binding force between to the wheel of wheel-rail train and rail, solved the contradiction between the wheel-rail train speed of a motor vehicle and the wheel rail adhesion power. make all wheel-rail trains can both realize on common track that high speed safe operation and high speed train reach the effect of hyper-velocity operation on high speed railway.
(2) moving coil is closed iron core direct current electromagnet. and train and rail and sleeper adhesive are integral, make the down-shift of working center of train and make the center of gravity vertical guide of train increase to identical with the length of sleeper from the width between two rails. strengthened the operation stability and the anti-off-line ability of wheel-rail train.
(3) by the characteristic of DC electromagnet as can be known, it is the efficient power-saving product that moving coil of the present invention is closed iron core direct current electromagnet.
The specific embodiment:
Use specific embodiment below, the present invention is described in further detail.
(1) a kind of method that improves wheel-rail train safe operation speed
It is that the coil of DC electromagnet is separately positioned on the adjacent wheel shaft in the middle of the same bogie truck, and the polarity of the magnetic field that DC electromagnet is formed on adjacent wheel shaft is opposite each other. do armature with rail, the magnetic line of force that relies on DC electromagnet to produce, train and rail and sleeper are pulled together, make the down-shift of working center of train by this method and make the center of gravity vertical guide of train increase to identical with the length of sleeper from the width between two rails. utilize this method that between wheel track, increases controlled additional binding force, solve the contradiction between train running speed and the wheel rail adhesion power. make all wheel-rail trains can both realize on common track that high speed safe operation and high speed train realize that on high speed railway hyper-speed moves.
(2) moving coil is closed iron core direct current electromagnet
It is that two cylindrical coils are separately positioned on two wheel shaft peripheries in the middle of four same bogie trucks of car, and make two energising polarity between the cylindrical coil opposite each other. do armature with rail, by contacting of wheel and rail tread, make the iron circuit between two coils become continuous state. all between each wheel shaft that cylindrical coil is housed and the fixed frame or between the two axles are connected, all must use every magnet assembly every magnetic. to guarantee the unidirectional closure of magnetic flux. in the present invention, also can on the wheel shaft therein coil be set, the magnetic flux that produces behind this coil electricity can select the shortest magnetic circuit to return closure from adjacent wheel and axostylus axostyle.
Claims (7)
1, a kind of method that improves wheel-rail train safe operation speed, it is characterized in that: the elementary iron core of DC electromagnet and coil are arranged on the wheel shaft of wheel-rail train bottom, by contacting of wheel and rail tread, make the iron circuit of DC electromagnet form closure by adjacent wheel and wheel shaft.Rely on this moving coil to close the magnetic line of force that iron core direct current electromagnet produces, train and rail and sleeper are pulled together, make the down-shift of working center and the center of gravity vertical guide of train increase to identical with the length of sleeper from the width between two rails. utilize this method that between wheel track, increases controlled additional binding force, solve the contradiction between train running speed and the wheel rail adhesion power. make all wheel-rail trains can both realize on common track that high speed moves and high speed train is realized the hyper-speed operation on high speed railway.
2, a kind of moving coil is closed iron core direct current electromagnet, it is characterized in that: the both ends of two DC electromagnet, be connected on the adjacent wheel shaft in train bottom. and make the energising polarity of these two DC electromagnet identical. the magnetic flux that each DC electromagnet energising back is produced, can both return the unidirectional closure of the no air gap of formation from the front and back wheel and the rail between the front and back wheel of homonymy. on other connecting portion between each wheel shaft and the fixed frame or between each wheel shaft, all be provided with every magnet assembly.
3, a kind of moving coil is closed iron core direct current electromagnet, it is characterized in that: be that two cylindrical coils are separately positioned on two wheel shafts in the middle of the same bogie truck. and make two energising polarity between the cylindrical coil opposite each other. do armature with rail, by contacting of wheel and rail tread, make the iron circuit between two coils become continuous state. each is equipped with between the wheel shaft of cylindrical coil and the fixed frame and all connecting portions between the two axles, all establishes and uses every magnet assembly.
4,, a kind of moving coil is closed iron core direct current electromagnet, it is characterized in that: on a wheel shaft in the middle of the two-axle bogie, dc coil is set, by the closed contact of wheel and track, make the magnetic line of force of its generation return the no air gap closure of formation from adjacent wheel and axle drive shaft.. all connecting portions between each wheel shaft and the fixed frame and between the two axles, all establish and use every magnet assembly.
5, a kind of moving coil is closed iron core direct current electromagnet, it is characterized in that: three cylindrical coils are separately positioned on three central wheel shafts of same bogie truck. (for moving axis, then after its periphery is provided with the static body of non-magnetic material, at coiling on the body) and make the energising polarity between the adjacent windings opposite each other. do armature with rail, by contacting of wheel and rail tread, make the iron circuit between the adjacent windings become continuous state. all between each wheel shaft that cylindrical coil is housed and the fixed frame or between the adjacent wheel shaft are connected, and all are provided with every magnet assembly.
6, a kind of moving coil is closed iron core direct current electromagnet, it is characterized in that: on a wheel shaft in the middle of the three axle truck, dc coil is set. by the closed contact of wheel and track, the magnetic line of force that dc coil is produced returns the no air gap closure of formation from adjacent wheel and axle drive shaft.. all connecting portions between each wheel shaft and the fixed frame and between the two axles, all establish and use every magnet assembly.
7, a kind of moving coil is closed iron core direct current electromagnet, it is characterized in that: on two wheel shafts in the middle of the three axle truck, dc coil is set. by the closed contact of wheel and track, the magnetic line of force that these two dc coils are produced can both return the no air gap closure of formation from adjacent wheel and axle drive shaft.All connecting portions between each wheel shaft and the fixed frame and between the two axles are all established and are used every magnet assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100887541A CN101574972A (en) | 2008-05-05 | 2008-05-05 | Method for improving safe running speed of wheeltrack train and closed iron core direct current electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100887541A CN101574972A (en) | 2008-05-05 | 2008-05-05 | Method for improving safe running speed of wheeltrack train and closed iron core direct current electromagnet |
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| Publication Number | Publication Date |
|---|---|
| CN101574972A true CN101574972A (en) | 2009-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100887541A Pending CN101574972A (en) | 2008-05-05 | 2008-05-05 | Method for improving safe running speed of wheeltrack train and closed iron core direct current electromagnet |
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| CN (1) | CN101574972A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501817A (en) * | 2018-10-24 | 2019-03-22 | 同济大学 | A kind of system for improving train adhesive force of wheel track |
| CN109677426A (en) * | 2018-12-18 | 2019-04-26 | 同济大学 | A kind of system for improving train adhesive force of wheel track |
| CN110588706A (en) * | 2019-09-23 | 2019-12-20 | 李贺清 | Non-sand-spreading anti-skid device for railway locomotive |
-
2008
- 2008-05-05 CN CNA2008100887541A patent/CN101574972A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501817A (en) * | 2018-10-24 | 2019-03-22 | 同济大学 | A kind of system for improving train adhesive force of wheel track |
| CN109501817B (en) * | 2018-10-24 | 2020-07-07 | 同济大学 | System for improving train wheel rail adhesive force |
| CN109677426A (en) * | 2018-12-18 | 2019-04-26 | 同济大学 | A kind of system for improving train adhesive force of wheel track |
| CN110588706A (en) * | 2019-09-23 | 2019-12-20 | 李贺清 | Non-sand-spreading anti-skid device for railway locomotive |
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Open date: 20091111 |