CN111806508A

CN111806508A - Reducer for train using current variant

Info

Publication number: CN111806508A
Application number: CN202010702346.1A
Authority: CN
Inventors: 林日国; 王玮
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2020-10-23

Abstract

The invention relates to the technical field of railway construction, and discloses a speed reducer for a train by utilizing an electrorheological fluid. The magnetic sensor is arranged on a train wheel, the medium bearing is movably arranged on the train wheel, the speed reducing shaft is connected with the central shaft of the train wheel, the speed reducing shaft is connected with the rotating shaft through the bearing shaft, the rotating speed keeps consistent, the faster the rotating shaft rotates, the faster the conductor is driven to cut a magnetic induction line, the larger the current generated in the coil is, and the medium is converted from liquid into solid to generate friction force on the speed reducing shaft. Therefore, the process of automatic deceleration is achieved, when the speed of the train is reduced to a controllable value, the safety performance of train running is improved, and the life of a passenger drivable is guaranteed.

Description

Reducer for train using current variant

Technical Field

The invention relates to the technical field of railway construction, in particular to a speed reducer for a train by utilizing a current transformer.

Background

The train is popular among the public because of its low cost of freight, but because the train quality is big, the inertia that the driving process produced is big, get rid of the accident that natural reason produced, the accident that causes the train derail because of the speed is too fast also is many, and the potential safety hazard that the train speed was too fast brought is huge, and is too fast, and when taking place emergently too fast, because of vehicle self weight is too big, can't stop in time after the emergency brake, probably arouses the derailment, threatens passenger and driver's life safety when serious.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a speed reducer which is used for a train by using a current transformer, has the advantage of automatic speed reduction after a certain speed is reached, and solves the problem of accidents caused by speed reduction in a high-speed running mode.

(II) technical scheme

In order to achieve the purpose of automatic deceleration after a certain speed is reached, the invention provides the following technical scheme: a speed reducer used on a train by utilizing a current transformer comprises train wheels, wherein a center protective shell is fixedly installed on the outer side of each train wheel, a connector is fixedly connected to the outer side of each train wheel, a bearing shaft is movably connected to the inner side of the center protective shell, one end, away from the center protective shell, of the bearing shaft is movably connected with a magnetic sensor, a medium bearing is fixedly connected to the inner part of the center protective shell, and a speed reducing shaft is fixedly connected to the inner side of the medium bearing;

the magnetic sensor comprises a magnetic sensor shell, a coil is fixedly mounted inside the magnetic sensor shell, a magnetic area is fixedly mounted inside the coil, a magnet groove is formed inside the magnetic area, a bar magnet is fixedly mounted inside the magnet groove, a conductor is movably mounted inside the magnetic area, and a rotating shaft is fixedly connected inside the conductor.

Preferably, the two sides of the train wheel are divided into a high rim and a low rim, and the connector and other structures are arranged on one side of the low rim of the train.

Preferably, the magnetic sensor is fixedly arranged on a train wheel, the medium bearing is movably arranged on the train wheel, the speed reducing shaft of the medium bearing is connected with the central shaft of the train wheel, the speed reducing shaft is connected with the rotating shaft through the bearing shaft, and the rotating speed is kept consistent.

Preferably, the coil is electrically connected to the medium in the medium bearing.

Preferably, the train wheels are four in one group, two on the left side and two on the right side respectively, and the circle centers of the train wheels are kept on the same horizontal plane.

Preferably, the train wheels, the central protective shell and the magnetic sensor shell are all made of high-carbon steel.

Preferably, a magnet groove is formed in the magnetic area, a space is formed in the magnet groove, and four strip magnets with the same large shape and magnetism can be installed.

(III) advantageous effects

Compared with the prior art, the invention provides a speed reducer for a train by using a current variant, which has the following beneficial effects:

1. when the train is too fast, the train wheel rotates faster, the generated current is larger, and according to the principle of the current variant, the medium in the medium rotating shaft is changed from original liquid to solid, so that the friction force on the train wheel is increased, and the rotating speed is gradually reduced.

2. The reducer using the current transformer for the train is fixedly arranged on a train wheel through a magnetic sensor, a medium bearing is movably arranged on the train wheel, the speed reducing shaft is connected with a central shaft of the train wheel, the speed reducing shaft is connected with a rotating shaft through a bearing shaft, the rotating speed keeps consistent, the faster the rotating shaft rotates, the faster the conductor is driven to cut a magnetic induction line, the larger the current generated in a coil is, and the medium is converted from liquid into solid to generate friction force on the speed reducing shaft. Therefore, the process of automatic deceleration is achieved, when the speed of the train is reduced to a controllable value, the running safety performance of the train is improved, the accident rate is reduced, and the life of a passenger capable of driving is guaranteed.

Drawings

FIG. 1 is a schematic view of the front connection structure of the present invention;

FIG. 2 is a schematic view of a magnetic induction structure according to the present invention;

FIG. 3 is a schematic view of the train wheel connection configuration of the present invention;

FIG. 4 is a schematic view of a connector according to the present invention;

FIG. 5 is a schematic view of the structure of the core shield of the present invention

In the figure: 1. a train wheel; 2. a central protective shell; 3. a connector; 4. a bearing shaft; 5. a magnetic sensor; 6. a dielectric bearing; 7. a deceleration shaft; 51. a magnetic sensor housing; 52. a coil; 53. a magnetic region; 54. a magnet slot; 55. a bar magnet; 56. a conductor; 57. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a speed reducer using a current variant for a train includes train wheels 1, a set of four train wheels 1, two on the left and two on the right, and the centers of circles of the train wheels 1 are maintained on the same horizontal plane, a central protective housing 2 is fixedly installed on the outer side of the train wheels 1 to prevent damage to the device caused by an external sharp object during a driving process, a connector 3 is fixedly connected to the outer side of the train wheels 1, a bearing shaft 4 is movably connected to the inner side of the central protective housing 2, a magnetic sensor 5 is movably connected to one end of the bearing shaft 4 away from the central protective housing 2, a dielectric bearing 6 is fixedly connected to the inner side of the central protective housing 2, and an organic medium is filled in the dielectric bearing. The inner side of the medium bearing 6 is fixedly connected with a speed reducing shaft 7, the magnetic sensor 5 is fixedly arranged on the train wheel 1, the medium bearing 6 is movably arranged on the train wheel 1, the speed reducing shaft 7 is connected with the central shaft of the train wheel 1, the speed reducing shaft 7 is connected with the rotating shaft 57 through the bearing shaft 4, and the rotating speed is kept consistent.

The magnetic sensor 5 comprises a magnetic sensor shell 51, and the train wheel 1, the central protective shell 2 and the magnetic sensor shell 51 are all made of high-carbon steel. A coil 52 is fixedly mounted inside the magnetic sensor housing 51, and the coil 52 is electrically connected to the medium in the medium bearing 6. The coil 52 is fixedly provided with a magnetic area 53, the magnetic area 53 is provided with a magnetic groove 54, the magnetic groove 54 is fixedly provided with a bar magnet 55, the magnetic area 53 is provided with a magnetic groove 54, the magnetic groove 54 is provided with a space for mounting four bar magnets 55 with the same large shape and magnetism, the magnetic area 53 is movably provided with a conductor 56, and the conductor 56 is fixedly connected with a rotating shaft 57. The two sides of the train wheel 1 are divided into a high rim and a low rim, and the connector 3 and other structures are arranged on one side of the low rim of the train, so that the overhaul and repair processes are convenient.

The working principle is that a central protective shell 2 is fixedly installed on the outer side of a train wheel 1, a bearing shaft 4 is movably connected to the inner side of the central protective shell 2, one end, away from the central protective shell 2, of the bearing shaft 4 is movably connected with a magnetic sensor 5, a medium bearing 6 is fixedly connected to the inner side of the central protective shell 2, a speed reducing shaft 7 is fixedly connected to the inner side of the medium bearing 6, the magnetic sensor 5 comprises a magnetic sensor shell 51, a coil 52 is fixedly installed inside the magnetic sensor shell 51, a magnetic area 53 is fixedly installed inside the coil 52, a magnetic groove 54 is formed inside the magnetic area 53, a bar magnet 55 is fixedly installed inside the magnetic groove 54, a conductor 56 is movably installed inside the magnetic area 53, and a rotating shaft 57 is fixedly connected inside the. In the running process of a train, a speed of a train wheel 1 rotates, a speed reducing shaft 7 fixedly connected with the middle part of the wheel rotates, a magnetic sensor 5 is fixedly arranged on the train wheel 1, a medium bearing 6 is movably arranged on the train wheel 1, the speed reducing shaft 7 is connected with the central shaft of the train wheel 1, the speed reducing shaft 7 is connected with a rotating shaft 57 through a bearing shaft 4, the rotating speed keeps consistent, namely the rotating shaft 57 rotates faster when the train speed is higher, so that the speed of the rotating shaft 57 driving a conductor 56 to cut a magnetic induction line is higher, namely the generated current is higher, a coil 52 is electrically connected with a medium in the medium bearing 6, the current passes through the medium, according to the principle of current variation, the hardness of the medium in the medium bearing 6 is gradually hardened along with the increase of the current, the friction force generated on the train wheel 1 is increased, the train wheel 1 is forced to slow down, and the rotating speed of the rotating shaft 57 is, the motion of the cutting magnetic induction line is slowed down, the generated current is reduced, the hardness of the medium is gradually reduced, the friction force is reduced, and the train runs normally.

In summary, the current variant is used for the speed reducer on the train, when the train speed is too high, the train wheel 1 rotates faster, the generated current is larger, according to the principle of the current variant, the medium in the medium bearing 6 is changed from the original liquid to the solid, the friction force on the train wheel 1 is increased, and the rotating speed is gradually reduced.

The current variant is used for a speed reducer on a train, the speed reducer is fixedly arranged on a train wheel 1 through a magnetic sensor 5, a dielectric bearing 6 is movably arranged on the train wheel 1, a speed reducing shaft 7 of the dielectric bearing is connected with a central shaft of the train wheel 1, the speed reducing shaft 7 is connected with a rotating shaft 57 through a bearing shaft 4, the rotating speed is kept consistent, the faster the rotating shaft 57 rotates, the faster the conductor 56 is driven to cut a magnetic induction line, wherein the larger the current generated in a coil 52 is, the higher the dielectric medium is converted from liquid into solid, and the friction force is generated on the train wheel 1. Therefore, the process of automatic deceleration is achieved, when the speed of the train is reduced to a controllable value, the running safety performance of the train is improved, the accident rate is reduced, and the life of a passenger capable of driving is guaranteed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A retarder for use on a train using rheologies, comprising a train wheel (1), characterized in that: a central protective shell (2) is fixedly installed on the outer side of the train wheel (1), a connector (3) is fixedly connected to the outer side of the train wheel (1), a bearing shaft (4) is movably connected to the inner side of the central protective shell (2), one end, far away from the central protective shell (2), of the bearing shaft (4) is movably connected with a magnetic sensor (5), a medium bearing (6) is fixedly connected to the inner portion of the central protective shell (2), and a speed reducing shaft (7) is fixedly connected to the inner side of the medium bearing (6);

magnetic sensor (5), including magnetic sensor shell (51), the inside fixed mounting of magnetic sensor shell (51) has coil (52), the inside fixed mounting of coil (52) has magnetic domain (53), magnet groove (54) are seted up to the inside of magnetic domain (53), the inside fixed mounting of magnet groove (54) has bar magnet (55), the inside movable mounting of magnetic domain (53) has conductor (56), the inside fixedly connected with pivot (57) of conductor (56).

2. A decelerator for a train using current transformation according to claim 1, wherein: the two sides of the train wheel (1) are divided into a high wheel rim and a low wheel rim, and the connector (3) and other structures are installed on one side of the low wheel rim of the train.

3. A decelerator for a train using current transformation according to claim 1, wherein: the magnetic sensor (5) is fixedly arranged on the train wheel (1), the medium bearing (6) is movably arranged on the train wheel (1), the speed reducing shaft (7) is connected with the central shaft of the train wheel (1), the speed reducing shaft (7) is connected with the rotating shaft (57) through the bearing shaft (4), and the rotating speeds are kept consistent.

4. A decelerator for a train using current transformation according to claim 1, wherein: the coil (52) is electrically connected with the medium in the medium bearing (6).

5. A decelerator for a train using current transformation according to claim 1, wherein: the train wheels (1) are four in one group, two on the left side and two on the right side respectively, and the circle centers of the train wheels (1) are kept on the same horizontal plane.

6. A decelerator for a train using current transformation according to claim 1, wherein: the train wheel (1), the central protective shell (2) and the magnetic sensor shell (51) are all made of high-carbon steel.

7. A decelerator for a train using current transformation according to claim 1, wherein: a magnet groove (54) is formed in the magnetic area (53), a space is formed in the magnet groove (54), and four strip magnets (55) with the same large-shape magnetism can be mounted.