CN111775995B

CN111775995B - Auxiliary brake system for railway track in maintenance station

Info

Publication number: CN111775995B
Application number: CN202010702958.0A
Authority: CN
Inventors: 陈恒波; 郑云霞; 陈海霞
Original assignee: Individual
Current assignee: Chen Hengbo
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-08-27
Anticipated expiration: 2040-07-21
Also published as: CN111775995A

Abstract

An auxiliary brake system for a railway track in a maintenance station relates to the technical field of railway tracks and comprises wheels, wherein a track is movably connected below the wheels, an electromagnetic device is fixedly connected inside the track, and a coil is arranged on the outer side of the track; this railway track in service station is with auxiliary brake system, through auxiliary brake, the increase resistance, can reduce the advantage of current brake mode friction degree, can be when rail locomotive approaches the station and overhauls, utilize magnetic appeal, the increase is to the resistance of wheel, play auxiliary brake's effect, the efficiency of brake has been improved, the braking distance has been reduced, in addition, can use with current hard friction brake mode cooperation, further its brake resistance of increase, but can not additionally increase frictional force, the wearing and tearing to the wheel have been reduced, the service life thereof is prolonged, accord with actual demand more. Meanwhile, the brake of the rail locomotive is ensured to be timely when the rail locomotive enters the station to a certain extent, and the safety problem possibly caused by the brake is avoided.

Description

Auxiliary brake system for railway track in maintenance station

Technical Field

The invention relates to the technical field of railway tracks, in particular to an auxiliary brake system for a railway track in a maintenance station.

Background

The railway track is mainly operated by a rail locomotive, no matter the railway track is an old green train, a high-speed rail or a motor car, the support of the railway track cannot be separated, and for railway track traffic in operation, the timing maintenance of the locomotive is an important mode for guaranteeing the performance, so that the rail traffic tool is generally provided with a special maintenance station, and a special rail is laid in the station.

The rail locomotive enters the station to be maintained at a lower speed when being overhauled so as to prevent the problem of untimely braking, and the common station entering mode is to use a power locomotive to run to the station at a low speed and then brake, or directly select a traction device to pull, and does not need to be pushed by the power locomotive. Because the weight of the rail locomotive is large, the rail locomotive has considerable kinetic energy during operation, the inertia is large during braking, the problem of untimely braking is possibly caused, certain potential safety hazards exist, the existing braking mode is generally single hard friction, the abrasion to wheels is large, and the service life is influenced to a certain extent.

In order to solve the above problems, the inventor proposes an auxiliary brake system for a railway track in a maintenance station, which has the problems of auxiliary braking, increased resistance, and reduced friction in the conventional braking method.

Disclosure of Invention

In order to achieve the purposes of assisting braking, increasing resistance and reducing the friction degree of the existing braking mode, the invention provides the following technical scheme: an auxiliary braking system for a railway track in a maintenance station comprises wheels, the track, an electromagnetic device, a coil, a trigger mechanism, a seat body, a conductor, a lead, a rotating shaft, a coil spring, a half gear, a movable rod, a ball body and a return spring.

The position and connection relation of the structure is as follows:

a track is movably connected below the wheels, an electromagnetic device is fixedly connected inside the track, a coil is arranged on the outer side of the track, and a trigger mechanism is movably connected inside the coil;

trigger mechanism includes the pedestal, the inside fixedly connected with conductor of pedestal, be provided with the wire between the conductor, the inner wall fixedly connected with pivot of pedestal, the inside swing joint of pedestal has the coil spring, the outside fixedly connected with semi-gear of pedestal, the outside swing joint of pedestal has the movable rod, the top regulation of movable rod is connected with the spheroid, the bottom fixedly connected with reset spring of movable rod.

Preferably, the six conductors in the same group are electrically connected through conducting wires in a serial connection mode, and the specification and the size of the conductors are the same.

Preferably, the spheroid is spherical structure, adopts flexible wear-resisting material, is provided with two altogether, corresponds and is located its top with two movable rods respectively, and two spheroidal specification and size are all the same, and its top height is on same water flat line.

Preferably, the reset springs are arranged in two groups, correspond to the two movable rods respectively and have the same specification, and the reset springs and the movable rods in the same group are vertically distributed and have the same straight line.

Preferably, the coil is sleeved outside the trigger mechanism, is not contacted with the trigger mechanism, and is lower than the movable rod.

Advantageous effects

Compared with the prior art and products, the invention has the beneficial effects that:

this railway track in service station is with auxiliary brake system, through auxiliary brake, the increase resistance, can reduce the advantage of current brake mode friction degree, can be when rail locomotive approaches the station and overhauls, utilize magnetic appeal, the increase is to the resistance of wheel, play auxiliary brake's effect, the efficiency of brake has been improved, the braking distance has been reduced, in addition, can use with current hard friction brake mode cooperation, further its brake resistance of increase, but can not additionally increase frictional force, the wearing and tearing to the wheel have been reduced, the service life thereof is prolonged, accord with actual demand more. Meanwhile, the brake of the rail locomotive is ensured to be timely when the rail locomotive enters the station to a certain extent, and the safety problem possibly caused by the brake is avoided.

Drawings

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

FIG. 2 is a schematic diagram of a coil structure according to the present invention;

FIG. 3 is a schematic view of the connection structure of the trigger mechanism according to the present invention;

FIG. 4 is a schematic view of the connection structure of the coil and the trigger mechanism according to the present invention;

fig. 5 is a schematic diagram of the motion trajectory of each structure in fig. 4 according to the present invention.

In the figure: 1. a wheel; 2. a track; 3. an electromagnetic device; 4. a coil; 5. a trigger mechanism; 51. a base body; 52. a conductor; 53. a wire; 54. a rotating shaft; 55. a coil spring; 56. a half gear; 57. a movable rod; 58. a sphere; 59. a return spring;

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.

Please refer to fig. 1-5:

the auxiliary braking system for the railway track in the maintenance station comprises wheels 1, a track 2, an electromagnetic device 3, a coil 4, a trigger mechanism 5, a seat body 51, a conductor 52, a lead 53, a rotating shaft 54, a coil spring 55, a half gear 56, a movable rod 57, a ball 58 and a return spring 59.

The initial positions and the connection relations of the structures are as follows:

a track 2 is movably connected below the wheel 1, an electromagnetic device 3 is fixedly connected inside the track 2, a coil 4 is arranged outside the track 2, and a trigger mechanism 5 is movably connected inside the coil 4;

the trigger mechanism 5 comprises a seat body 51, conductors 52 are fixedly connected inside the seat body 51, wires 53 are arranged between the conductors 52, a rotating shaft 54 is fixedly connected to the inner wall of the seat body 51, a coil spring 55 is movably connected inside the seat body 51, a half gear 56 is fixedly connected outside the seat body 51, a movable rod 57 is movably connected outside the seat body 51, a sphere 58 is connected to the top of the movable rod 57 in a specified mode, and a return spring 59 is fixedly connected to the bottom of the movable rod 57.

Wherein:

a. the size of the track 2 is matched with the inner size of the wheel 1, at least two electromagnetic devices 3 are arranged and are electrically connected with each other in series, the electromagnetic devices 3 are respectively electrically connected with the coil 4 and the conductor 52, and the electromagnetic devices show magnetism in a power-on state. The six conductors 52 in the same group are electrically connected through wires 53 in a serial connection mode, and the specification and the size of the conductors 52 are the same.

b. The two coils 4 and the two triggering mechanisms 5 are arranged and have the same specification, and the two coils 4 correspond to the two triggering mechanisms 5 respectively and are symmetrically distributed by taking the track 2 as a reference; the coil 4 is mainly composed of a complete enameled wire, the enamel of the enameled wire is required to be free from damage, current passes through the inside of the enameled wire, and a magnetic induction wire exists inside the enameled wire. The spheroid 58 is spherical structure, adopts flexible wear-resisting material, is provided with two altogether, corresponds and is located its top with two movable rods 57 respectively, and two spheroids 58's specification and size are all the same, and its top height is on same water flat line.

c. The seat body 51 is of a cylindrical structure, is inserted into the inner side of the coil 4 and is concentric with the coil 4; the conductors 52 in the same group are provided with six conductors and have the same specification, and are uniformly distributed by taking the seat body 51 as a reference; the direction of arrangement of the conductors 52 is perpendicular to the direction of magnetic induction of the coil 4.

Wherein:

d. the rotating shaft 54 and the seat body 51 are concentrically arranged, and one end of the coil spring 55 is fixedly connected with the rotating shaft 54, and the other end is fixedly connected with the inside of the seat body 51. The reset springs 59 are provided with two reset springs, the two reset springs correspond to the two movable rods 57 respectively, the specifications of the two reset springs are the same, and the reset springs 59 and the movable rods 57 in the same group are vertically distributed and have the same straight line.

e. Half gear 56 is the half ring shaped structure, and the internal diameter is the same with the external diameter of pedestal 51, and the two laminating and connection are comparatively inseparable each other, and the outside of half gear 56 is provided with evenly distributed's tooth, and the size of half gear 56 is less than the maximum motion stroke of movable rod 57. The coil 4 is sleeved outside the trigger mechanism 5, is not in contact with the trigger mechanism 5, and is positioned lower than the movable rod 57.

f. The movable rods 57 are vertically distributed, teeth matched with the half gear 56 are arranged on the outer sides of the movable rods 57, the movable rods 57 and the half gear 56 are in a meshed state, the movable rods 57 are arranged in two numbers and are respectively located on the left side and the right side of the track 2, the specifications and the sizes of the movable rods are the same, and the tops of the movable rods are located on the same horizontal plane.

In use, when the locomotive needs to be serviced, the locomotive can be directly fitted with the rail 2, i.e. the wheel 1 is pressed on the rail 2 at this time, since the dimension of the rail 2 is adapted to the inner dimension of the wheel 1. Because the movable rod 57 is vertically distributed, the outer side of the movable rod 57 is provided with teeth matched with the half gear 56, the movable rod 57 and the half gear 56 are in a meshed state, the movable rod 57 is provided with two movable rods which are respectively positioned at the left side and the right side of the track 2, the specification sizes of the two movable rods are the same, the tops of the two movable rods are on the same horizontal plane, the sphere 58 is of a spherical structure and made of flexible wear-resistant materials, the two movable rods are arranged, the two movable rods 57 correspond to the two movable rods 57 and are positioned at the tops of the two movable rods, the specification sizes of the two spheres 58 are the same, and the tops of the two spheres are on the same horizontal line, so when the wheel 1 is pressed on the track 2, the two spheres can be in contact with the sphere 58 and press the movable rod 57 downwards.

When the movable rod 57 moves downward, the teeth on the outer side of the movable rod can drive the half gear 56 to rotate, and since the half gear 56 of the half gear 56 is of a semi-annular structure, the inner diameter of the half gear 56 is the same as the outer diameter of the seat body 51, and the half gear 56 and the seat body 51 are mutually attached and connected tightly, the seat body 51 rotates synchronously and in the same direction along with the half gear 56 at the moment, and drives the inner part of the seat body to synchronously and in the same direction with other structures connected with the seat body. At this time, the conductor 52 is driven by the seat body 51 to rotate, the magnetic induction line of the coil 4 is cut and induced current is generated, and as the electromagnetic device 3 is respectively electrically connected with the coil 4 and the conductor 52 and the electromagnetic device 3 shows magnetism in the energized state, magnetism is generated inside the electromagnetic device 3 at this time, the wheel 1 made of metal is attracted, the resistance in the advancing process of the wheel is increased, and the purpose of assisting braking is achieved.

When the movable rod 57 moves to a state of being disengaged from the half gear 56, the half gear 56 is not limited, and the seat body 51 and other structures connected with the seat body are driven to be restored to the original position under the action of the coil spring 55, so that a cycle is completed.

The above structure and process are shown in FIGS. 1-5.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An auxiliary brake system for railway tracks in a service station, comprising wheels (1), characterized in that: a track (2) is movably connected below the wheel (1), an electromagnetic device (3) is fixedly connected inside the track (2), a coil (4) is arranged on the outer side of the track (2), and a trigger mechanism (5) is movably connected inside the coil (4);

the trigger mechanism (5) comprises a base body (51), conductors (52) are fixedly connected to the inside of the base body (51), wires (53) are arranged between the conductors (52), a rotating shaft (54) is fixedly connected to the inner wall of the base body (51), a coil spring (55) is movably connected to the inside of the base body (51), a half gear (56) is fixedly connected to the outer side of the base body (51), a movable rod (57) is movably connected to the outer side of the base body (51), a sphere (58) is fixedly connected to the top of the movable rod (57), and a return spring (59) is fixedly connected to the bottom of the movable rod (57);

the size of the track (2) is matched with the inner size of the wheel (1), at least two electromagnetic devices (3) are arranged and are electrically connected with each other in series, the electromagnetic devices (3) are respectively electrically connected with the coil (4) and the conductor (52), and the electromagnetic devices show magnetism in a power-on state; the two coils (4) and the two triggering mechanisms (5) are respectively provided with the same specification, the two coils (4) respectively correspond to the two triggering mechanisms (5), and the two coils (4) and the two triggering mechanisms are respectively symmetrically distributed by taking the track (2) as a reference; the coil (4) mainly comprises a complete enameled wire, the enamel of the enameled wire is required to be free of damage, current passes through the inside of the enameled wire, and a magnetic induction wire exists inside the enameled wire; the seat body (51) is of a cylindrical structure, is inserted into the inner side of the coil (4) and is concentric with the coil (4); the conductors (52) in the same seat body (51) are provided with six conductors and have the same specification, and the conductors are uniformly distributed by taking the seat body (51) as a reference; the arrangement direction of the conductors (52) is perpendicular to the magnetic induction line direction of the coil (4).

2. An auxiliary brake system for a railway track in a service station as claimed in claim 1, wherein: the rotating shaft (54) and the base body (51) are concentrically distributed, one end of the coil spring (55) is fixedly connected with the rotating shaft (54), and the other end of the coil spring is fixedly connected with the inside of the base body (51).

3. An auxiliary brake system for a railway track in a service station as claimed in claim 1, wherein: half gear (56) are half ring structure, and the internal diameter is the same with the external diameter of pedestal (51), and the two laminates each other and connects comparatively closely, the outside of half gear (56) is provided with evenly distributed's tooth, and the circular arc size of half gear (56) is less than the maximum motion stroke of movable rod (57).

4. An auxiliary brake system for a railway track in a service station as claimed in claim 1, wherein: the movable rods (57) are vertically distributed, teeth matched with the half gears (56) are arranged on the outer sides of the movable rods, the movable rods (57) and the half gears (56) are in a meshed state, the movable rods (57) are arranged in two numbers and are respectively located on the left side and the right side of the track (2), the specifications and the sizes of the movable rods are the same, and the tops of the movable rods are located on the same horizontal plane.