阅读说明：本技术 道岔机构及轨道系统 (Turnout mechanism and track system ) 是由 刘皓 罗震 林志文 谭元键 耿云源 于 2019-11-05 设计创作，主要内容包括：本发明提出了一种道岔机构及轨道系统,其中,道岔机构包括：垫板；基本轨,设置于垫板上；尖轨,尖轨的一端与垫板固定连接,尖轨的另一端呈弯曲状态并与基本轨相贴合,以使得尖轨具有朝向基本轨一侧的运动趋势；连接组件,设置于垫板上,基本轨和尖轨通过连接组件固定于垫板上。本发明对尖轨的结构进行优化,取消以往对尖轨跟端的压型处理,对尖轨的跟端进行弯折处理,利用尖轨弯折产生的回弹力减少不足位移,保证尖轨与基本轨的紧密贴合,保证道岔机构的安全使用。(The invention provides a turnout mechanism and a track system, wherein the turnout mechanism comprises: a base plate; the stock rail is arranged on the base plate; one end of the switch rail is fixedly connected with the base plate, and the other end of the switch rail is in a bent state and is attached to the stock rail, so that the switch rail has a movement trend towards one side of the stock rail; and the connecting assembly is arranged on the base plate, and the stock rail and the switch rail are fixed on the base plate through the connecting assembly. The invention optimizes the structure of the switch rail, cancels the previous compression treatment on the heel end of the switch rail, bends the heel end of the switch rail, reduces insufficient displacement by using the resilience force generated by bending the switch rail, ensures the close fit of the switch rail and the stock rail and ensures the safe use of a turnout mechanism.)

1. A switch mechanism, comprising:

a base plate;

the stock rail is arranged on the base plate;

one end of the switch rail is fixedly connected with the base plate, and the other end of the switch rail is in a bent state and is attached to the stock rail, so that the switch rail has a movement trend towards one side of the stock rail;

and the connecting assembly is arranged on the base plate, and the stock rail and the switch rail are fixed on the base plate through the connecting assembly.

2. The switch mechanism as claimed in claim 1, further comprising:

the switch heel guide rail is arranged on the base plate and is connected with the stock rail;

and the switch heel switch rail is arranged on the base plate, is attached to one end of the switch rail and is in sliding connection with the switch rail.

3. The switch mechanism as claimed in claim 2, further comprising:

the switch heel guide rail limiter is arranged on one side wall of the switch heel guide rail, which faces the switch heel switch rail;

the switch rail limiting stopper is arranged on one side wall of the switch rail facing the switch rail;

one of the switch heel guide rail limiter and the switch heel switch rail limiter is provided with a limiting groove, the other switch heel guide rail limiter is provided with a limiting bulge matched with the limiting groove, and the limiting bulge extends into the limiting groove.

4. The switch mechanism as claimed in claim 3, further comprising:

the stock rail limiting stopper is arranged on one side wall of the stock rail, which faces the switch rail;

the switch rail limiter is arranged on one side wall of the switch rail facing the stock rail;

one of the stock rail limiter and the switch rail limiter is provided with a limiting groove, the other one of the stock rail limiter and the switch rail limiter is provided with a limiting bulge matched with the limiting groove, and the limiting bulge extends into the limiting groove.

5. The switch mechanism as claimed in claim 4, further comprising:

the switch rail comprises a switch rail body, a switch rail and a switch rail, wherein the switch rail body is provided with a switch rail, the switch rail.

6. The switch mechanism as claimed in claim 5, further comprising:

the first clamping plate is arranged on one side, away from the switch rail, of the stock rail, and the stopper bolt pair for mounting the stock rail stopper is arranged on the first clamping plate and the stock rail in a penetrating manner; and/or

And the second clamping plate is arranged on one side of the switch heel guide rail, which is deviated from the switch heel switch rail, and is used for installing the switch heel guide rail limiter, and the limiter bolt pair penetrates through the second clamping plate and the switch heel guide rail.

7. The switch mechanism as claimed in any one of claims 1 to 6,

along the distribution direction of a plurality of backing plates, one of the stock rail and the switch rail is obliquely arranged, and the other stock rail and the switch rail are arranged in parallel.

8. The switch mechanism as claimed in any one of claims 1 to 6,

the connecting assembly is a fastener system, and the fastener system is respectively buckled at the roots of the stock rail and the switch rail.

9. The switch mechanism as claimed in claim 8, wherein said fastener system comprises:

the fastener is buckled at the root parts of the stock rail and the switch rail;

and the fastener penetrates through the fastener and is screwed to the cushion plate.

10. A track system, comprising:

a first rail, a second rail and a switch mechanism as claimed in any one of claims 1 to 9;

the turnout mechanism is used for connecting the first rail and the second rail.

Technical Field

The invention relates to the technical field of track systems, in particular to a turnout mechanism and a track system.

Background

The turnout mechanism is an important component of a railway track structure, is also a weak link of the railway track structure, and has important influence on the running speed of a railway locomotive vehicle. The switch point mechanism is an important component in a switch point of a turnout, and the pulling conversion of the switch point is realized by the traction of a switch machine, so that a train is led into the direction of a front line or a side line.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art.

To this end, the invention proposes, in a first aspect, a switch mechanism.

A second aspect of the invention proposes a rail system.

A first aspect of the present invention provides a switch mechanism, including: a base plate; the stock rail is arranged on the base plate; one end of the switch rail is fixedly connected with the base plate, and the other end of the switch rail is in a bent state and is attached to the stock rail, so that the switch rail has a movement trend towards one side of the stock rail; and the connecting assembly is arranged on the base plate, and the stock rail and the switch rail are fixed on the base plate through the connecting assembly.

According to the turnout mechanism provided by the invention, the stock rail and the switch rail are both arranged on the base plate and are connected with the base plate; before the switch rail is installed, bending the heel end of the switch rail to enable the heel end of the switch rail to be in a bent state; when the switch rail is installed, the switch rail is not parallel to the stock rail, one end of the switch rail is fixedly connected with the base plate, and the heel end of the switch rail is in a bent state and gradually approaches the stock rail until the heel end of the switch rail is attached to the stock rail. When the switch rail is in a bent state, the heel end of the switch rail has resilience, and moves towards one side of the stock rail under the action of the resilience, so that the switch rail is tightly attached to the stock rail, and the sufficient displacement of the switch rail is ensured.

In addition, in order to guarantee the relative position between the stock rail and the switch rail and improve the safety of the turnout mechanism, a connecting assembly is arranged on the base plate and is used for realizing the connection of the stock rail, the switch rail and the base plate and guaranteeing the stable installation of the stock rail and the switch rail on the base plate.

The turnout mechanism provided by the invention optimizes the structure of the switch rail, cancels the previous compression treatment on the heel end of the switch rail, bends the heel end of the switch rail, reduces insufficient displacement by using the resilience force generated by bending the switch rail, ensures the close fit of the switch rail and the stock rail and ensures the safe use of the turnout mechanism; in addition, the fixing form of the switch rail is optimized, a force transmission mechanism between the switch rail and the stock rail is eliminated, switch rail fixing parts are reduced, the switch rail is quickly replaced in field operation, and the use requirement is met.

According to the turnout mechanism in the technical scheme of the invention, the turnout mechanism can also have the following additional technical characteristics:

in the technical scheme, the track and rail assembly further comprises a switch and rail, wherein the switch and rail is arranged on the base plate and connected with the stock rail; and the switch rail is arranged on the base plate, is attached to one end of the switch rail and is in sliding connection with the switch rail.

In the technical scheme, the turnout mechanism further comprises a switch heel guide rail and a switch heel switch rail. The switch rail is connected with the switch rail, and the switch point rail is connected with the switch rail, so that the continuity of the switch mechanism in a rail system is ensured, and the running of a train is ensured. The switch point rail is attached to one end of the switch point rail and is in sliding connection with the switch point rail, so that the fixed connection between the switch point rail and the switch point rail is avoided, the switch point rail does not need to be welded with the switch point rail when being replaced, and the replacement cost and workload are reduced.

In any of the above technical solutions, further, the method further includes: the switch rail limiting stopper is arranged on one side wall of the switch rail facing the switch rail; the switch rail limiting stopper is arranged on one side wall of the switch rail facing the switch rail; wherein, one of switch heel guide rail stopper and switch heel switch rail stopper has spacing recess, and another has with spacing recess assorted spacing arch, spacing arch stretches into spacing recess setting.

In the technical scheme, a switch heel guide rail limiter is arranged on one side wall of the switch heel guide rail facing to the switch heel switch rail, and a switch heel switch rail limiter is arranged on one side wall of the switch heel switch rail facing to the switch heel guide rail; the switch rail is characterized in that the switch rail limiting device is arranged on the switch rail, the switch rail limiting device is. That is, the point rail stopper and the point rail stopper of the switch can be mutually matched, and the limit of the point rail in the extending direction of the track can be realized.

Specifically, one of the switch heel guide rail limiter and the switch heel point rail limiter is provided with a limiting groove, and the other is provided with a limiting bulge matched with the limiting groove. In the process of installing the turnout mechanism, the limiting protrusion extends into the limiting groove, so that the limiting protrusion is matched with the side wall of the limiting groove to limit the switch rail.

In any of the above technical solutions, further, the method further includes: the stock rail limiter is arranged on one side wall of the stock rail, which faces the switch rail; the switch rail limiter is arranged on one side wall of the switch rail facing the stock rail; one of the stock rail limiter and the switch rail limiter is provided with a limiting groove, the other one of the stock rail limiter and the switch rail limiter is provided with a limiting bulge matched with the limiting groove, and the limiting bulge extends into the limiting groove.

In the technical scheme, a stock rail stopper is arranged on one side wall of the stock rail, which faces the switch rail, and the switch rail stopper is arranged on one side wall of the switch rail, which faces the stock rail; the stock rail limiter and the switch rail limiter are matched with each other, so that the relative position between the stock rail and the switch rail can be ensured, the switch rail is prevented from moving along the extending direction of the rail system, and the relative position between the switch rail and the stock rail is ensured. That is, the stock rail stop and the point rail stop cooperate with each other to achieve the stop of the point rail in the extending direction of the rail.

Specifically, one of the stock rail stopper and the point rail stopper has a stopper groove, and the other has a stopper projection specifically matched with the stopper groove. In the process of installing the turnout mechanism, the limiting protrusion extends into the limiting groove, so that the limiting protrusion is matched with the side wall of the limiting groove to limit the switch rail.

Arranging a stock rail stopper and a switch rail stopper at the positions of the stock rail and the switch rail, and performing the position limitation from one position; and a switch heel guide rail limiter and a switch heel switch rail limiter are arranged at the positions of the switch heel guide rail and the switch heel switch rail, and the switch heel guide rail limiter and the switch heel switch rail limiter are limited from the other position. That is, there is a limit position along the extension direction of the rail system to ensure that the temperature force of the switch blade will not be directly transmitted to the switch blade and the relative position of the switch blade and stock rail.

In any of the above technical solutions, further, the method further includes: and the switch heel guide rail limiter, the switch heel switch rail limiter, the stock rail limiter and the switch rail limiter are respectively connected through the limiter bolt pairs.

In the technical scheme, the limiters at different positions are connected through the limiter bolt pair, so that the stable installation of the limiters is ensured, the temperature force of the switch point rail can not be directly transmitted to the switch point rail, and the relative position of the switch point rail and the stock rail is ensured.

Specifically, the switch heel guide rail limiter is arranged on one side wall of the switch heel guide rail, which faces to the switch heel switch rail, through a limiter bolt pair; the switch point rail limiting stopper is arranged on one side wall of the switch point rail, which faces the switch point guide rail, through a limiting stopper bolt pair; the stock rail limiting stopper is arranged on one side wall of the stock rail facing the switch rail through a limiting stopper bolt pair; the switch rail limiter is arranged on one side wall of the switch rail facing the stock rail through a limiter bolt pair. The same stopper bolt pair can be adopted for the stopper, and different stopper bolt pairs can be adopted for the stopper, so that the stopper can be selected according to actual conditions.

In any of the above technical solutions, further, the method further includes: the first clamping plate is arranged on one side of the stock rail, which is far away from the switch rail, and a stopper bolt pair for installing a stock rail stopper is arranged through the first clamping plate and the stock rail; and/or the second clamping plate is arranged on one side of the switch heel guide rail, which deviates from the switch heel switch rail, and a stopper bolt pair for installing the switch heel guide rail stopper penetrates through the second clamping plate and the switch heel guide rail.

In this technical scheme, set up first splint in one side that the stock rail deviates from the switch rail, avoid the vice direct stock rail looks structure of stopper bolt, avoid the vice damage that causes the stock rail of stopper bolt, and the thickness of multiplicable stock rail, and then promote the bearing capacity of stock rail. Set up the second splint in the one side that the guide rail deviates from the switch with the rut, avoid the vice direct rut of stopper bolt to follow guide rail looks structure, avoid the vice stopper bolt to cause the harm with the guide rail with the rut, and the thickness of multiplicable rut with the guide rail, and then promote the bearing capacity of switch with the guide rail. Specifically, first splint can adopt the same splint with the second splint, also can adopt different splint, can set up according to actual conditions.

In any of the above solutions, further, one of the stock rail and the point rail is disposed obliquely and the other is disposed in parallel along the distribution direction of the plural tie plates.

In the technical scheme, the distribution modes of the stock rail and the switch rail can be set according to actual conditions, and the extension direction of the turnout mechanism is ensured.

In any of the above technical solutions, further, the connecting assembly is a fastener system, and the fastener system is respectively fastened to the roots of the stock rail and the tongue rail.

In the technical scheme, the stock rail and the switch rail are installed by adopting a fastener system, and the integral combination is simplified on the basis of ensuring the installation strength of the stock rail and the switch rail; and the fastener system can be disassembled, so that the stock rail and the switch rail are ensured to be fixedly arranged on the base plate, the switch rail is convenient to replace, and the replacement cost and workload are reduced. In particular, there are a number of fastener systems which connect the stock rail to the tie plate and the point rail to the tie plate from different locations.

In any of the above solutions, further, the fastener system comprises: the fastener is buckled at the root parts of the stock rail and the switch rail; and the fastener is screwed to the backing plate through the fastener.

In this solution, the fastener system comprises a fastener and a fastener. The fastener is buckled at the root of the stock rail and the root of the switch rail, and then the fastener penetrates through the fastener and is screwed on the base plate, so that the connection strength of the stock rail and the switch rail is ensured. In addition, fastener and fastener simple structure, the simple operation is on the basis of guaranteeing joint strength, simplifies the structure and reduces constructor intensity of labour.

A second aspect of the invention proposes a rail system comprising: a first rail, a second rail, and a switch mechanism as in any one of the first aspect of the invention, wherein the switch mechanism is for connecting the first rail and the second rail.

The switch mechanism according to the present invention includes the switch mechanism according to any one of the first aspect of the present invention, and therefore, all the advantageous effects of the switch mechanism described above are not described herein.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a construction of a point rail in the related art;

fig. 2 is a mechanism diagram of a switch mechanism of the related art.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:

100 ' switch gear, 12 ' tie plate, 14 ' stock rail, 16 ' point rail, 18 ' force transfer mechanism.

Figure 3 is a schematic illustration of the construction of a point rail according to one embodiment of the invention;

fig. 4 is a schematic diagram of the operation of the point rail of the embodiment shown in fig. 3;

figure 5 is a schematic view of a portion of the switch mechanism of one embodiment of the present invention;

figure 6 is another schematic view of the construction of the switch mechanism of one embodiment of the present invention;

figure 7 is a schematic diagram of the construction of the switch mechanism of another embodiment of the present invention;

figure 8 is a cross-sectional view a-a of the switch mechanism of the embodiment of figure 6;

figure 9 is a cross-sectional view B-B of the switch mechanism of the embodiment of figure 6.

Wherein, the correspondence between the reference numbers and the part names in fig. 3 to 9 is:

100 switch points, 12 tie plates, 14 stock rails, 16 switch rails, 18 fastener systems, 182 fasteners, 184 fasteners, 20 heel rails, 22 heel switch rails, 24 heel rail retainers, 26 heel rail retainers, 28 stock rail retainers, 30 switch rail retainers, 32 retainer bolt pairs, 34 first clamping plates.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

The switch mechanism 100 and the track system according to some embodiments of the present invention will be described with reference to fig. 3 to 9.

As shown in fig. 3 to 9, a first aspect of the present invention provides a switch mechanism 100, including: a backing plate 12; a stock rail 14 disposed on the tie plate 12; a point rail 16, one end of the point rail 16 is fixedly connected with the backing plate 12, and the other end of the point rail 16 is in a bending state and is attached to the stock rail 14, so that the point rail 16 has a movement trend towards one side of the stock rail 14; the connector assembly (i.e. the fastener system 18 in the figures) is provided on the base plate 12, and the stock rail 14 and point rail 16 are secured to the base plate 12 by the connector assembly.

In the switch mechanism 100 of the present invention, as shown in fig. 5, 6 and 7, the stock rail 14 and the point rail 16 are both disposed on the tie plate 12 and are connected to the tie plate 12; as shown in fig. 3, 4 and 5, before the point rail 16 is mounted, the heel end of the point rail 16 is subjected to a bending process so that the heel end of the point rail 16 is in a bent state; when the point rail 16 is installed, the point rail 16 is not parallel to the stock rail 14, one end of the point rail 16 is fixedly connected to the shim plate 12, and the heel end of the point rail 16 is bent and gradually approaches the stock rail 14 until it abuts the stock rail 14. It should be noted that, as shown in fig. 4 and 5, since the heel end of the tongue 16 is in a bent state, the heel end of the tongue 16 has a resilient force F, and the heel end of the tongue 16 moves toward the stock rail 14 under the resilient force F, so that the tongue 16 is disposed closely to the stock rail 14, and the sufficient displacement of the tongue 16 is ensured.

In addition, to ensure the relative position between the stock rail 14 and the point rail 16 and to improve the safety of the switch mechanism 100, the base plate 12 is provided with a connecting assembly for connecting the stock rail 14 and the point rail 16 to the base plate 12 and ensuring a stable mounting of the stock rail 14 and the point rail 16 on the base plate 12.

The turnout mechanism 100 provided by the invention optimizes the structure of the switch rail 16, cancels the previous compression treatment on the heel end of the switch rail 16, bends the heel end of the switch rail 16, reduces insufficient displacement by utilizing the resilience force generated by bending the switch rail 16, ensures the close fit of the switch rail 16 and the stock rail 14, and ensures the safe use of the turnout mechanism 100; in addition, the fixing form of the switch rail 16 is optimized, a force transmission mechanism between the switch rail 16 and the stock rail 14 is eliminated, fixing parts of the switch rail 16 are reduced, the switch rail 16 is quickly replaced in field operation, and the use requirement is met.

In one embodiment of the present invention, further, as shown in fig. 6 and 7, the switch rail includes a switch rail 20 disposed on the tie plate 12 and connected to the stock rail 14; a switch rail 22 is mounted on the base plate 12, the switch rail 22 being attached to one end of the switch rail 16 and slidably connected to the switch rail 16.

In this embodiment, the switch mechanism 100 further includes a heel rail 20 and a heel switch rail 22. Wherein the switch point rail 20 is connected to the stock rail 14 and the switch point 22 is connected to the switch rail 16 to ensure continuity of the switch mechanism 100 in the track system and to ensure travel of the train. The switch blade 22 is attached to one end of the switch blade 16 and is slidably connected to the switch blade 16 to prevent fixed connection between the switch blade 16 and the switch blade 22, and the switch blade 16 does not need to be welded to the switch blade 22 during replacement, thereby reducing the cost and workload of replacement.

In an embodiment of the present invention, as shown in fig. 6 and 7, the method further includes: the switch rail stopper 24 is arranged on one side wall of the switch rail 20 facing the switch rail 22; a switch point rail stop 26 disposed on a sidewall of the switch point rail 22 facing the switch point rail 20; wherein one of the switch heel guide rail limiter 24 and the switch heel point rail limiter 26 has a limiting groove, the other has a limiting protrusion matched with the limiting groove, and the limiting protrusion extends into the limiting groove.

In this embodiment, the heel rail stop 24 is provided on a side wall of the heel rail 20 facing the heel point rail 22, and the heel point rail stop 26 is provided on a side wall of the heel point rail 22 facing the heel rail 20; the mutual cooperation of the switch heel rail stop 24 and the switch heel point rail stop 26 ensures the relative position between the switch heel rail 20 and the switch heel point rail 22, prevents the switch heel point rail 22 from moving in the extension direction of the rail system, ensures that the temperature force of the switch heel point rail 22 is not directly transmitted to the point rail 16, and ensures the relative position of the point rail 16 and the stock rail 14. That is, the heel rail stop 24 and the heel point rail stop 26 cooperate to limit the position of the heel point rail 22 in the direction of rail extension.