阅读说明：本技术 错动式双肢弹性可弯心轨辙叉 (The double limb elasticity of dislocation type can flexual center rut fork ) 是由 乔神路 骆焱 刘婷林 何雪峰 张东风 赵天运 侯爱滨 许有全 于 2019-07-29 设计创作，主要内容包括：本发明适用于铁路道岔技术领域,提供了错动式双肢弹性可弯心轨辙叉,包括第一翼轨、第二翼轨、长心轨和短心轨,所述第一翼轨和所述第二翼轨为对称或非对称设置,所述第一翼轨和所述第二翼轨之间设置有一个所述长心轨和一个所述短心轨,所述长心轨的一端固定连接所述短心轨的一端；通过设置第一翼轨、第二翼轨以及两个翼轨之间的长心轨和短心轨,长心轨和短心轨为一体式结构,从而通过转换过程中的长、短心轨相互错动,实现双肢弹性可弯结构的可靠工作,可在消除有害空间和斜接头的同时,实现道岔线形的良好控制,简化结构设计,提高列车平稳性,改善行车条件,降低轮轨冲击所产生的振动噪声,满足环保要求。(The present invention is suitable for railway switch technical field, providing the double limb elasticity of dislocation type can flexual center rut fork, including the first wing rail, the second wing rail, long heart rail and short heart rail, first wing rail and second wing rail are symmetrically or non-symmetrically to be arranged, the long heart rail and a short heart rail are provided between first wing rail and second wing rail, one end of the long heart rail is fixedly connected with one end of the short heart rail；Pass through the long heart rail and short heart rail between the first wing rail of setting, the second wing rail and two wing rails, long heart rail and short heart rail are an integral structure, it, can be while eliminating idle space and diagonal joint to realize the reliably working of double limb elasticity bendable structures by the long and short mutual changing of the relative positions of heart rail in conversion process, realize the linear good control of track switch, simplify structure design, improve train running stability, improves driving condition, vibration noise caused by wheel-rail impact is reduced, is met environmental requirements.)

1. the double limb elasticity of dislocation type can flexual center rut fork, it is characterised in that: including the first wing rail (1), the second wing rail (2), the long heart Rail (3) and short heart rail (4)；

First wing rail (1) and second wing rail (2) are symmetrically or non-symmetrically to be arranged, first wing rail (1) and described The long heart rail (3) and a short heart rail (4), one end of the long heart rail (3) are provided between second wing rail (2) It is fixedly connected with one end of the short heart rail (4).

2. the double limb elasticity of dislocation type as described in claim 1 can flexual center rut fork, it is characterised in that: the long heart rail (3) and One end of the short heart rail (4) collectively forms a triangular structure.

3. the double limb elasticity of dislocation type as described in claim 1 can flexual center rut fork, it is characterised in that: the long heart rail (3) and The short heart rail (4) forms entirety by coupling component.

4. the double limb elasticity of dislocation type as described in claim 1 can flexual center rut fork, it is characterised in that: first wing rail (1), Second wing rail (2), long heart rail (3) and the short heart rail (4) are all made of common steel rail material.

5. the double limb elasticity of dislocation type as described in claim 1 can flexual center rut fork, it is characterised in that: first wing rail (1) It is provided with multiple firm bankings (5) with the bottom of second wing rail (2), the firm banking (5) is fixedly connected with described first Wing rail (1) and second wing rail (2), the firm banking (5) are flexibly connected the long heart rail (3) and the short heart rail (4).

Technical field

The invention belongs to the technical fields of railway switch more particularly to the double limb elasticity of dislocation type can flexual center rut fork.

Background technique

Track switch is the track key equipment of urban track traffic, while being also the weak link of track, directly affects train Even running, passenger's ride comfort and surrounding enviroment vibration, railway frog is the important component of track switch, is divided into fixed railway frog With movable-point crossing two types.Urban track traffic track switch mainly uses fixed railway frog, and structure is simple, but path does not connect Continuous, there are idle space, structural vibration is larger；Movable-point crossing path is continuous, and ride comfort is good, can eliminate idle space, but Structure is complicated, wherein single limb elasticity bendable movable-point crossing there are diagonal joint, be unfavorable for vehicle laterally through when vibration damping drop It makes an uproar；Double limb elasticity bendable movable-point crossing heart rails are longer, are chiefly used in large size code channel trouble.Urban track traffic mainly uses No. 12 And following number track switch, size is smaller, and higher to vibration and noise reducing performance requirement, therefore existing movable-point crossing and discomfort With.

Summary of the invention

The present invention provides the double limb elasticity of dislocation type can flexual center rut fork, it is intended to which harmful sky can not be eliminated by solving existing railway frog Between or diagonal joint gap, structure is complicated, and the limited problem of use scope meets the vibration and noise reducing need of urban track traffic track switch It asks.

The invention is realized in this way the double limb elasticity of dislocation type can flexual center rut fork, including the first wing rail, the second wing rail, Long heart rail and short heart rail；

First wing rail and second wing rail are symmetrically or non-symmetrically to be arranged, first wing rail and second wing The long heart rail and a short heart rail are provided between rail, one end of the long heart rail is fixedly connected with the short heart rail One end.

The present invention provides preferably, and one end of the long heart rail and the short heart rail collectively forms a triangular structure.

The present invention provides preferred, and the long heart rail and the short heart rail form entirety by coupling component.

The present invention provides preferably, and first wing rail, the second wing rail, long heart rail and the short heart rail are all made of ordinary steel Rail material.

The present invention provides preferably, and the bottom of first wing rail and second wing rail is provided with multiple firm bankings, The firm banking is fixedly connected with first wing rail and second wing rail, and the firm banking is flexibly connected the long heart rail With the short heart rail.

Compared with prior art, the beneficial effects of the present invention are: the double limb elasticity of dislocation type of the invention can flexual center rut fork, By the long heart rail and short heart rail between the first wing rail of setting, the second wing rail and two wing rails, long heart rail and short heart rail are one Body formula structure, to realize the reliable work of double limb elasticity bendable structures by the long and short mutual changing of the relative positions of heart rail in conversion process Make, can realize the linear good control of track switch while eliminating idle space and diagonal joint, simplify structure design, improve column Vehicle stationarity improves driving condition, reduces vibration noise caused by wheel-rail impact, meets environmental requirements.

Detailed description of the invention

Fig. 1 be the double limb elasticity of dislocation type of the invention can flexual center rut fork overall structure diagram.

In figure: the first wing rail of 1-, the second wing rail of 2-, 3- long heart rail, the short heart rail of 4-, 5- firm banking.

Specific embodiment

In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.

Referring to Fig. 1, the present invention provides a kind of technical solution: the double limb elasticity of dislocation type can flexual center rut fork, including first Wing rail 1, the second wing rail 2, long heart rail 3 and short heart rail 4.

First wing rail 1 and the second wing rail 2 are symmetrically or non-symmetrically to be arranged, and are provided between the first wing rail 1 and the second wing rail 2 One long heart rail 3 and one short heart rail 4, one end of long heart rail 3 are fixedly connected with one end of short heart rail 4.

In the present embodiment, the first wing rail 1 and the second wing rail 2 have a waist of opposite bending, and long 3 He of heart rail Between the first wing rail 1 and the waist of the second wing rail 2, long heart rail 3 and the equal bendable of short heart rail 4 are movable for the junction of short heart rail 4, By the long heart rail 3 in conversion process, the mutual changing of the relative positions of short heart rail 4, the reliably working of double limb elasticity bendable structures is realized.Long heart rail 3, short heart rail 4 is continuous structure, not set diagonal joint.

Further, one end of long heart rail 3 and short heart rail 4 collectively forms a triangular structure.

In the present embodiment, the end of the long heart rail 3 and short heart rail 4 of triangular structure is located at the first wing rail 1 and second Middle part between the waist of wing rail 2, and long heart rail 3 and short heart rail 4 are respectively parallel to two wing rails, when a direction stock to be opened When road, central body of frog just with to open the consistent wing rail in direction closely connected, separated with another wing rail, so, common track switch has Evil space is just not present.It was verified that having eliminated gap in the frog, drive a vehicle more steady, structural vibration reduces, thus special Not Shi He rate of traffic flow is big, environmental requirement is high urban track traffic use.

Further, long heart rail 3 and short heart rail 4 form entirety by coupling component.

In the present embodiment, the stable structure of whole long heart rail 3 and short heart rail 4 is formed by coupling component, is used Safety.

Further, the first wing rail 1, the second wing rail 2, long heart rail 3 and short heart rail 4 are all made of identical as common steel rail material Material be made.

In the present embodiment, the material of the first wing rail 1, the second wing rail 2, long heart rail 3 and short heart rail 4 with common rail Identical, wing rail, heart rail can realize trouble area's Jointless Track Design, and using safe with rail welding before and after railway frog.

Further, the bottom of the first wing rail 1 and the second wing rail 2 is provided with multiple firm bankings 5, and firm banking 5 is fixed The first wing rail 1 and the second wing rail 2 are connected, firm banking 5 is flexibly connected long heart rail 3 and short heart rail 4.

In the present embodiment, firm banking 5 is rectangular plate-like, and successively spaced and parallel setting, firm banking 5 are steel Anti-friction coating is arranged between long heart rail 3 and short heart rail 4 and firm banking 5 in backing plate, can reduce heart rail rail bottom coefficient of friction, in turn Reduce frictional force.

The working principle of the invention and process for using: after the present invention installs, when a direction station track to be opened, rut Fork heart rail just with to open the consistent wing rail in direction closely connected, separated with another wing rail, so, the idle space of ordinary crossing is just It is not present.Due to the not set diagonal joint of the present invention, train directly can guarantee that path is continuous laterally through railway frog, without gap. It was verified that having eliminated gap in the frog and diagonal joint, drive a vehicle more steady, structural vibration reduces, thus is particularly suitable for row The urban track traffic that vehicle density is big, environmental requirement is high uses.It is mutually wrong by long heart rail 2, the short heart rail 3 in conversion process It is dynamic, it realizes the reliably working of double limb elasticity bendable structures, can realize that track switch is linear while eliminating idle space and diagonal joint Good control, simplify structure design, improve train running stability, improve driving condition, reduce wheel-rail impact caused by vibration Noise is met environmental requirements.

The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.