CN217869734U

CN217869734U - Three throw turnout with switch heel end capable of being elastically bent

Info

Publication number: CN217869734U
Application number: CN202222280476.8U
Authority: CN
Inventors: 罗信伟; 黄红东; 刘文武; 尹华拓; 施庆峰; 李春强; 孙云涛; 曾克; 黄思佳
Original assignee: Guangzhou Metro Design and Research Institute Co Ltd
Current assignee: Guangzhou Metro Design and Research Institute Co Ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-11-22
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses a three switch that goat heel end elasticity can be buckled, including the goat, the goat includes stock rail, sharp switch rail and curve switch rail, sharp switch rail with curve switch rail is provided with the flexible section that can bend in respective switch rail working edge long limb side respectively, sharp switch rail with be provided with the offset buckle in goat heel end department butt ground between the curve switch rail, sharp switch rail with curve switch rail is in goat heel end department dorsad one side of offset buckle is provided with elasticity respectively and detains, the stock rail is detained and the frid rail fastening through elasticity respectively in the both sides of goat heel end department, the end of sharp switch rail with the end of curve switch rail is fixed through switch heel end joint splint respectively. The three-throw turnout structure with the elastically bendable switch heel end is simple in installation process, can meet the requirement of a seamless line by welding the joint of the steel rail, and is small in field maintenance workload.

Description

Three throw turnout with switch heel end capable of being elastically bent

Technical Field

The utility model relates to a railway technology field especially relates to a goat heel end elasticity can be buckled three throw switches.

Background

The switch is a basic connecting device of railway track, three throw turnouts indicate the switch that leads to three direction from a direction, three throw turnouts belong to one kind of special switch, switch heel end loose joint structure equipment part is more in the current three throw turnout structure, the installation is complicated, need dismantle the repair repeatedly with five hole spacer irons to the switch during installation, high in labor strength, and the loose joint structure can not satisfy the seamless line requirement of rail gap department, and the switch is in the use, easily form the wrong tooth of switch heel end and rail gap department after partly bolted connection pair is not hard up because of the switch heel end loose, influence the ride comfort of driving, increase switch maintenance work load, and it is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides a three switches that goat heel end elasticity can be buckled replace swing joint through the structure of can buckling of goat heel end, realize fastening structure to simplify the installation and reduce intensity of labour, and reduce maintenance work volume.

The utility model provides a three switches that goat heel end elasticity can be bent, includes the goat, the goat includes stock rail, straight line switch rail and curve switch rail, straight line switch rail with the curve switch rail is provided with the flexible section that can bend in respective switch rail working edge long limb side respectively, straight line switch rail with be provided with the back distance buckle in goat heel end department butt ground between the curve switch rail, straight line switch rail with the curve switch rail is provided with the elasticity in goat heel end department dorsad one side of back to the back distance buckle respectively the butt ground, the stock rail is respectively through elasticity knot and frid rail fastening in the both sides of goat heel end department, the end of straight line switch rail with the end of curve switch rail is fixed through switch heel end joint splint respectively.

As the preferred aspect of the present invention, the stock rail the straight point rail and the curved point rail are provided with a first switch heel spacer and a second switch heel spacer respectively at the switch heel end with the butt.

As the utility model discloses a preferred scheme, the stock rail the straight line switch rail with be provided with the stopper respectively between the curve switch rail in goat with the department still butt ground of department, the stopper includes spacing lug and spacing concave block, spacing concave block installs symmetrically the both sides of straight line switch rail, spacing lug is installed respectively the stock rail with on the curve switch rail and with spacing concave block cooperation is connected.

As the utility model discloses a preferred scheme, the goat is still including the sliding bed platform, pin, shell fragment and the rail brace sliding bed board that from top to bottom arranges in proper order, the pin is planted at the middle part of sliding bed platform and shell fragment horizontally, the one end of shell fragment extends to on the rail limb edge of stock rail.

As the utility model discloses a preferred scheme, the goat is still including leading curved steel rail, guard rail and guard rail backing plate, the guard rail passes through the guard rail pallet and installs on pin, shell fragment and the guard rail backing plate that from top to bottom arranges in proper order, the pin is planted at the middle part of guard rail pallet and shell fragment horizontally, the one end of shell fragment extends to lead on curved steel rail's the rail limb edge.

As the utility model discloses an optimal scheme, the switch still includes the frog with three throw switches that end elasticity can be buckled with the goat, the frog includes wing rail, point rail, fork with point rail and frog spacer, the wing rail with the fork has two respectively with the point rail, two the wing rail distribute in the point rail with the fork is with the both sides of point rail, two the fork with the point rail with the one end of point rail is connected, be provided with between wing rail, point rail and the fork with the point rail the frog spacer links firmly through the bolt.

As the preferred scheme of the utility model, the heart rail is made for high abrasion alloy steel.

The embodiment of the utility model provides a goat is with three throw switches that end elasticity can be buckled compare with prior art, and its beneficial effect lies in: the structure has simple installation process, can meet the requirement of a seamless line by welding the joint of the steel rail, and has less work load of field maintenance and repair.

Drawings

Fig. 1 is a general schematic diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a switch according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an embodiment at A in FIG. 2;

FIG. 4 is a schematic cross-sectional view of the structure at B in FIG. 3;

FIG. 5 is a schematic structural view of another embodiment shown at A in FIG. 2;

FIG. 6 is a schematic cross-sectional view of the structure of FIG. 5 at C;

FIG. 7 is a schematic view of the structure of yet another embodiment at A in FIG. 2;

FIG. 8 is a schematic sectional view of the sliding bed table in the embodiment of the present invention;

FIG. 9 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a frog in an embodiment of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are used in a generic sense, e.g., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be further understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the machine or component in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

Referring to fig. 1 to 4, a three-throw switch with a switch point heel end elastically bendable according to a preferred embodiment of the present invention includes a switch, the switch includes a stock rail 16, a straight point rail 17, and a curved point rail 18, the straight point rail 17 and the curved point rail 18 are respectively provided with an elastically bendable section 15 at a long limb side of a working edge of the respective point rail, the elastically bendable section 15 is preferably formed by milling the point rail, and the head and the tail of the elastically bendable section 15 are respectively provided with an arc-shaped concave transition, the elastically bendable section of the point rail limb can effectively reduce a switching force in a point rail conversion process, a distance clip 27 is abuttingly provided between the straight point rail 17 and the curved point rail 18 at a heel end of the switch, the straight point rail 17 and the curved point rail 18 are respectively provided with an elastic buckle 28 at a side thereof facing away from the distance clip 27 at the heel end of the switch, the stock rail 16 is fastened to both sides at the heel end of the switch by an elastic buckle 28 and a groove plate 24, the straight point rail 17 and the curved point rail 17 are fastened to the straight point rail 17 by a movable point rail 18, the straight point rail 17 and the straight point rail 18, the straight point clip 17 are fastened together by a movable point clip 21, the straight point clip 17, the straight point clip and the straight point clip 17, the straight point clip 17 and the straight point clip 17 are fastened together by the straight point clip, and the straight point clip 17, so that the straight point clip 17 are fastened together by the straight point clip 17, the straight point clip and the straight point clip 18 are fastened together by the straight point clip and the straight point clip 17, and overall structure's installation is more simple and convenient, also reduces maintenance work load, can greatly reduced intensity of labour, in addition because switch heel end joint splint 21 presss from both sides sharp switch 17 and curve switch 18 tightly and locks with the bolt pair, more can directly realize the seamless line through the welding with the rail joint, in addition preferably one side of basic rail 16 only need utilize frid rail 24 cooperation butt, fixed can, can simplify the structure, also not influenced by the higher position of switch.

Referring to fig. 5 and 6, illustratively, the stock rail 16, the straight point rail 17 and the curved point rail 18 are further provided with a first switch heel spacer 25 and a second switch heel spacer 26 respectively in an abutting manner at the heel end of the switch, the amount of expansion and contraction of the point rail can be significantly reduced by the first switch heel spacer 25 and the second switch heel spacer 26, large temperature force can be transmitted, and the switch is suitable for a line with a large temperature difference, the first switch heel spacer 25 is horizontally penetrated through by a high-strength bolt to connect the secondary stock rail 16 and the straight point rail 17, and the second switch heel spacer 26 is horizontally penetrated through a high-strength bolt to connect the secondary straight point rail 17 and the curved point rail 18.

Referring to fig. 7, for example, stoppers are further disposed between the stock rail 16, the straight point rail 17 and the curved point rail 18 at the heel end of the switch in an abutting manner, and each stopper includes a stopper convex block 22 and a stopper concave block 23, the stopper concave blocks 23 are symmetrically installed at both sides of the straight point rail 17, the stopper convex blocks 22 are respectively installed on the stock rail 16 and the curved point rail 18 and are in fit connection with the stopper concave blocks 23, and the stopper can effectively reduce the amount of point rail expansion and contraction, and transmit temperature force to the stock rail, and can adapt to a larger temperature range than the spacer type structure.

Referring to fig. 8, the switch machine further includes a sliding bed table 35, a pin 39, a spring plate 36 and a rail-supporting sliding bed plate 37, which are sequentially arranged from top to bottom, wherein the pin 39 is horizontally inserted into the middle of the sliding bed table 35 and the spring plate 36, and one end of the spring plate 36 extends to the limb edge of the stock rail 16, so that when the stock rail 16, the linear tongue 17 and the curved tongue 18 are subjected to a vertical force and a lateral force, the limb edge transmits the force to the spring plate 36, the force applied to the sliding bed table 35 is mainly transmitted through the spring plate 36, the force applied to the middle of the spring plate 36 acts on the pin 39, and the rail rigidity is smoother through the elastic buckling of the spring plate 36 and the pin 39.

Referring to fig. 9, the switch machine further includes a guide curve rail 6, a guard rail 7 and a guard rail base plate 38, wherein the guard rail 7 is mounted on a pin 39, an elastic sheet 36 and a guard rail base plate 38 sequentially arranged from top to bottom through a guard rail mount 71, the pin 39 is horizontally inserted in the middle of the guard rail mount 71 and the elastic sheet 36, and one end of the elastic sheet 36 extends to the edge of a rail limb of the guide curve rail 6, so that when the guide curve rail 6 and the guard rail 7 are subjected to a vertical force and a transverse force, the edge of the rail limb transfers the force to the elastic sheet 36, the force on the guard rail 71 is mainly transferred through the elastic sheet 36, the force on the middle part of the elastic sheet 36 acts on the pin 39, and the rail rigidity is smoother through elastic buckling of the elastic sheet 36 and the pin 39, thereby effectively solving the problem that the elastic buckling pressure is adopted on one side of the rail support slide plate and the guard rail base plate and the rigid buckling pressure is not uniform on both sides of the rail, thereby forming the longitudinal rigidity and the rail is not smooth, causing strong impact and vibration between wheels when a train passes through the rail, thereby causing the problem that the service life of the switch is seriously shortened.

Referring to fig. 10, the three-throw turnout with a flexibly bendable switch point heel illustratively further comprises a frog, the frog comprises two wing rails 41, a point rail 42, a fork heel point rail 43 and a frog spacer 44, the wing rails 41 and the fork heel point rail 43 of each frog are respectively provided with two wing rails 41 distributed on two sides of the point rail 42 and the fork heel point rail 43, the two fork heel point rails 43 are connected with one end of the point rail 42, the frog spacer 44 is arranged between the wing rails 41, the point rail 42 and the fork heel point rail 43 and fixedly connected through bolts, the frog with the structure has good overall structural stability, and the high manganese steel is not integrally cast, so that seamless welding of the frog toe end and the heel end with a standard can be realized, the use requirement of a seamless line can be met, the frog can be well used for a middle frog and a rear frog, the problem that the high manganese steel is easy to fall off and fall off, the rail is damaged, manganese is quickly repaired, and the maintenance requirement of the seamless steel rail can not be frequently popularized in domestic high manganese steel line butt joint is solved.

Illustratively, the point rail 42 is made of high-wear-resistance alloy steel, and has better comprehensive mechanical properties.

To sum up, the embodiment of the utility model provides a three throw switches that goat heel end elasticity can be buckled are provided, it has following effect:

(1) The switch point adopts an elastic bendable structure at the heel end, the joint adopts a standard joint clamping plate and a bolt connection pair for connection, and the switch point is milled through the working side rail limb part to reduce the switch point pulling force. The structure has simple installation process, can meet the requirement of a seamless line by welding the joint of the steel rail, and has less workload of field maintenance and repair;

(2) One side of each rail limb of the rail brace sliding bed plate and the guard rail base plate is provided with an elastic strip fastener, and the other side of each rail limb is elastically fastened and pressed by an elastic sheet and a pin, so that the rigidity of the rail is smoother;

(3) Middle frog, rear end frog adopt alloy steel to assemble the frog, and the frog comprises alloy steel point rail, wing rail, fork heel rail, spacer iron, backing plate etc. and connects into an organic whole through high strength bolt, and the point rail adopts and optimizes back high performance bainitic steel and makes, and the frog is more wear-resisting, and frog toe, heel end can weld with the rail, satisfy seamless line's operation requirement, and this type frog point rail, wing rail initial stage wearing and tearing are little, and fat limit is few, and maintenance is few, and service condition is good.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a three throw switches that goat heel end elasticity can be buckled which characterized in that: the switch comprises a switch, the switch comprises a stock rail, a straight point rail and a curved point rail, the straight point rail and the curved point rail are respectively provided with an elastic bendable section at the long limb side of the working edge of the respective point rail, a supporting distance buckle plate is arranged between the straight point rail and the curved point rail in the following end of the switch in a butt joint manner, elastic buckles are respectively arranged at one sides of the straight point rail and the curved point rail in the following end of the switch, which face away from the supporting distance buckle plate, in a butt joint manner, the two sides of the stock rail at the following end of the switch are respectively fastened through the elastic buckles and a groove plate steel rail, and the tail end of the straight point rail and the tail end of the curved point rail are respectively fixed through a point rail following end joint clamp plate.

2. The switch machine heel end elastic bendable three-throw switch as claimed in claim 1, wherein: and a first switch heel spacing iron and a second switch heel spacing iron are respectively arranged among the stock rail, the straight switch rail and the curve switch rail at the heel end of the switch in an abutting mode.

3. The switch machine heel end elastic bendable three-throw switch as claimed in claim 1, wherein: stoppers are further arranged between the stock rail, the straight switch rail and the curved switch rail at the heel end of the switch in a butting manner respectively, each stopper comprises a limiting convex block and a limiting concave block, the limiting concave blocks are symmetrically arranged on two sides of the straight switch rail, and the limiting convex blocks are arranged on the stock rail and the curved switch rail respectively and are in fit connection with the limiting concave blocks.

4. A switch machine heel end elastically bendable three-throw switch according to any one of claims 1 to 3, wherein: the switch machine further comprises a sliding bed table, pins, an elastic sheet and a rail support sliding bed plate which are sequentially arranged from top to bottom, wherein the pins are horizontally inserted into the middle parts of the sliding bed table and the elastic sheet, and one end of the elastic sheet extends to the edge of a rail limb of the stock rail.

5. The switch machine heel end elastic bendable three-throw switch as claimed in claim 4, wherein: the switch also comprises a curve guide steel rail, a guard rail and a guard rail base plate, wherein the guard rail is arranged on a pin, an elastic sheet and the guard rail base plate which are sequentially arranged from top to bottom through a guard rail stand, the pin is horizontally inserted into the middle parts of the guard rail stand and the elastic sheet, and one end of the elastic sheet extends to the edge of a rail limb of the curve guide steel rail.

6. A switch machine heel end elastic bendable three-throw turnout as claimed in any one of claims 1-3, wherein: still include the frog, the frog includes wing rail, point rail, fork with the switch rail and frog spacer, the wing rail with the switch rail has two respectively, two the wing rail distribute in the point rail with the both sides of switch rail are followed to the fork, two the fork with the switch rail with the one end of point rail is connected, be provided with between wing rail, point rail and the fork with the switch rail the frog spacer links firmly through the bolt.

7. The switch machine heel end elastic bendable three-throw switch as claimed in claim 6, wherein: the point rail is made of high-wear-resistance alloy steel.