CN221345122U - Clamping plate for rail joint, rail joint assembly and butt-joint rail - Google Patents

Abstract

The application provides a clamping plate for a steel rail joint, a steel rail joint assembly and a butt joint steel rail, and relates to the field of rail transit. The clamping plate for the rail joint comprises a clamping plate main body, wherein the clamping plate main body comprises an outer plate surface, an avoidance surface and an inner plate surface which are sequentially connected. The inner plate surface is used for clamping the insulating layer in a matched mode with the steel rail main body. The avoidance surface and the outer plate surface are provided with obtuse angles, and one side, connected with the inner plate surface, of the avoidance surface is positioned between the outer plate surface and the inner plate surface. Under the condition that the clamp plate main body is matched with the steel rail main body, an avoidance space is formed between the avoidance surface and the top surface of the rail bottom of the steel rail main body. The design of this splint structure can reduce the processing degree of difficulty, reduces processing cost.

Description

Clamping plate for rail joint, rail joint assembly and butt-joint rail

Technical Field

The utility model relates to the field of rail transit, in particular to a clamping plate for a steel rail joint, a steel rail joint assembly and a butt joint steel rail.

Background

The steel rail adhesive insulating joint is a structure which adopts a full-contact clamping plate and an insulating part to be adhered with the steel rail into a whole by using a high-strength bolt, and along with the common application of a seamless line, the steel rail adhesive insulating joint technology is one of key technologies for paving a inter-zone seamless line, and is more widely focused. The rail insulation joint is required to take on both the functions of the circuit and the machinery. Firstly, dividing a track circuit section, ensuring insulation of adjacent steel rails, and providing technical support for running, dispatching and monitoring of a train; another important function is to bear the impact force generated when the train passes through the joint, and the joint must have enough strength to ensure the safety and reliability. At present, two gluing technologies exist for the rail gluing insulating joints used on the railway in China, wherein one gluing technology is normal-temperature curing glue, and the gluing technology is field gluing; the other is hot glue, which is in-plant glue joint. And the mechanical performance of the in-factory cementing is superior to that of a normal-temperature cementing joint due to the good construction environment and the hot-cementing process.

The inventor researches find that the rail joint in the prior art has at least the following disadvantages:

The clamping plates of the rail joints in the prior art are provided with a plurality of auxiliary rib plates on two sides of the rail joint, so that the processing difficulty is high, the requirements on processing equipment are high, and the processing cost is high.

Disclosure of utility model

The utility model aims to provide a clamping plate for a steel rail joint, a steel rail joint assembly and a butt joint steel rail, which can reduce the processing difficulty and the processing cost.

Embodiments of the present utility model are implemented as follows:

In a first aspect, the present utility model provides a rail joint clamp comprising:

The clamping plate body comprises an outer plate surface, an avoidance surface and an inner plate surface which are sequentially connected, and the inner plate surface is used for clamping an insulating layer in a matched manner with the steel rail body; the avoidance surface and the outer plate surface are provided with an obtuse angle, and one side, connected with the inner plate surface, of the avoidance surface is positioned between the outer plate surface and the inner plate surface;

And under the condition that the clamp plate main body is matched with the steel rail main body, an avoidance space is formed between the avoidance surface and the top surface of the rail bottom of the steel rail main body.

In an alternative embodiment, the outer plate surface is provided with ribs.

In an alternative embodiment, the ribs are provided in a unitary structure with the outer panel surface.

In an alternative embodiment, one end of the rib extends to a connection position of the inner plate surface and the outer plate surface, and the other end of the rib extends to a connection position of the avoidance surface and the inner plate surface.

In an alternative embodiment, the clamping plate body is provided with a fixing hole for threading a fastener.

In an alternative embodiment, one end of the fixing hole is located on the outer plate surface, and the other end is located on the inner plate surface.

In a second aspect, the present utility model provides a rail joint assembly comprising:

a rail joint clamping plate according to any one of the preceding embodiments.

In an alternative embodiment, the rail joint assembly further comprises a fastener and an insulating layer, the insulating layer being applied to the inner plate face of the cleat body, the fastener being used to secure the cleat body to the rail body.

In an alternative embodiment, the fastener includes a bolt penetrating the cleat body and the insulating layer, a nut screwed with the bolt, and a washer sleeved outside the bolt.

In a third aspect, the present utility model provides a docking rail comprising:

A rail joint assembly according to any one of the preceding embodiments and a rail body, the insulating layer being applied to the rail body, the fastener being arranged to fix the insulating layer and the cleat body to the rail body, an avoidance space for avoiding the rail fastener being formed between the avoidance surface of the cleat body and the top surface of the rail foot of the rail body.

The embodiment of the utility model has the beneficial effects that:

to sum up, the clamping plate for the rail joint provided by the embodiment sets up the face of dodging between the outer face and the inner plate face of the clamping plate main body to dodge and be the obtuse angle between face and the outer face, dodge the intersection line of the junction position of face and inner plate face and be located between outer face and the inner plate face, that is, dodge the face and one side that the inner plate face is connected extend in the direction of following the outer plate face to the inner plate face, so, after clamping plate main body and rail main body assembly, dodge and be formed with between the top surface of the rail bottom of face and rail main body, thereby the space that provides for rail fastener installation. That is, the prior art clamping plate needs to provide an installation space for the rail fastening member, so the thickness of the clamping plate is thinned, the outer side plate surface of the clamping plate exposes a partial area of the top surface of the rail bottom, the rail fastening member contacts with the exposed top surface of the rail bottom, and a plurality of rib plates are required to be arranged for improving the structural strength of the clamping plate due to the thinned thickness of the clamping plate, so that the processing difficulty is increased, and the processing cost is increased. In this embodiment, under the prerequisite that the thickness of increasing splint main part improves the intensity of splint main part, owing to dodge the design of face, dodge and have been limited all the time between the top surface of face and the bottom of the rail and dodge the space, dodge the cooperation that the space exists can not influence rail fastener and bottom of the rail, consequently, owing to increase its structural strength through the thickening splint main part, need not set up the floor, reduce the processing degree of difficulty, reduce processing cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a rail joint clamping plate according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a seed butt rail according to an embodiment of the present utility model.

Icon:

001-rail body; 002-avoidance space; 100-a splint body; 110-an outer panel; 120-avoiding surface; 130-inner panel; 140-ribs; 150-fixing holes; 200-fasteners; 210-bolts; 220-nut; 230-a gasket; 300-insulating layer.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the prior art, when the butt joint steel rail is fixed by using the clamping plates, in order to facilitate the buckling of the steel rail fastener on the sleeper and the rail bottom, the top surface of the rail bottom of the steel rail needs to be avoided, the thickness of the part, close to the rail bottom, of the clamping plates is thinned in a mode commonly adopted in the prior art, and in order to ensure that the clamping plates have enough structural strength, the part, close to the rail head, of the clamping plates is thickened, and a plurality of rib plates are arranged at the position, close to the rail head, of the clamping plates, so that the strength of the clamping plates is enhanced, but the machining difficulty is increased due to the design of the rib plates, and the manufacturing cost is increased.

In view of this, the designer provides a splint for rail joint, and it can reduce the processing degree of difficulty under the prerequisite that satisfies structural strength, reduces processing cost.

Referring to fig. 1, in the present embodiment, the rail joint clamping plate includes a clamping plate body 100, and the clamping plate body 100 includes an outer plate surface 110, an avoidance surface 120, and an inner plate surface 130, which are sequentially connected. The inner plate surface 130 is used to clamp the insulating layer 300 in cooperation with the rail main body 001. The relief surface 120 and the outer plate surface 110 have an obtuse angle, and a side of the relief surface 120 connected to the inner plate surface 130 is located between the outer plate surface 110 and the inner plate surface 130. Under the condition that the clamp plate main body 100 is matched with the steel rail main body 001, an avoidance space 002 is formed between the avoidance surface 120 and the top surface of the rail bottom of the steel rail main body 001.

In view of the above, the working principle of the clamping plate for rail joints provided in this embodiment is as follows:

The present embodiment provides a clamping plate for rail joint, it is through setting up between the outer face 110 and the inner panel face 130 of clamping plate main part 100 and dodge the face 120, and dodge and be the obtuse angle between face 120 and the outer face 110, dodge the intersection line of the hookup location of face 120 and inner panel face 130 and be located between outer face 110 and the inner panel face 130, that is, dodge the face 120 and the one side that inner panel face 130 is connected and extend in the direction from outer face 110 to inner panel face 130, in this way, after clamping plate main part 100 and rail main part 001 assembly, dodge and be formed with between the top surface of dodge the face 120 and the rail bottom of rail main part 001 and dodge space 002, thereby for the space that rail fastener installation provided.

That is, the prior art clamping plate needs to provide an installation space for the rail fastening member, so the thickness of the clamping plate is thinned, the outer side plate surface of the clamping plate exposes a partial area of the top surface of the rail bottom, the rail fastening member contacts with the exposed top surface of the rail bottom, and a plurality of rib plates are required to be arranged for improving the structural strength of the clamping plate due to the thinned thickness of the clamping plate, so that the processing difficulty is increased, and the processing cost is increased. In this embodiment, on the premise of increasing the thickness of the clamping plate main body 100 and improving the strength of the clamping plate main body 100, due to the design of the avoidance surface 120, the avoidance space 002 is always defined between the avoidance surface 120 and the top surface of the rail bottom, and the cooperation of the rail fastener and the rail bottom cannot be affected by the existence of the avoidance space 002, so that the structural strength of the clamping plate main body 100 is increased by thickening, rib plates do not need to be arranged, the processing difficulty is reduced, and the processing cost is reduced.

The following examples illustrate the detailed construction of the rail joint clamping plates provided by the present application.

Referring to fig. 1, in this embodiment, optionally, the main body 100 of the splint has a long strip structure, the inner plate surface 130 of the splint is substantially an arc surface, the outer plate surface 110 and the avoiding surface 120 of the splint are substantially planar, and a side of the outer plate surface 110 away from the avoiding surface 120 is connected with a side of the inner plate surface 130 away from the avoiding surface 120. After the cleat body 100 is mated with the rail body 001, the relief surface 120 is positioned below the outer plate surface 110. It should be understood that the relief surface 120 and the outer plate surface 110 are obtuse, and the angle between the relief surface 120 and the outer plate surface 110 is not particularly limited in this embodiment. The rib 140 is disposed on the outer plate surface 110 of the clamping plate body 100, the rib 140 is a substantially rectangular bar, the rib 140 is located at a middle position in the length direction of the clamping plate body 100, and the length of the rib 140 extends in the width direction of the clamping plate body 100. The rib 140 extends to the connection position of the outer plate surface 110 and the inner plate surface 130 at one side in the length direction thereof, and the rib 140 extends to the connection position of the inner plate surface 130 and the avoidance surface 120 at the other side in the length direction thereof, so that the length of the rib 140 is long, and the structural strength of the splint body 100 can be better improved.

Optionally, the clamping plate main body 100 is provided with a fixing hole 150, and the fixing hole 150 is a through hole for penetrating the fastener 200. The fixing hole 150 penetrates the cleat body 100 in the thickness direction of the cleat body 100, that is, one port of the fixing hole 150 is located on the outer plate surface 110 and the other port is located on the inner plate surface 130.

It should be understood that the number of the fixing holes 150 may be plural, and is not particularly limited in this embodiment.

It should be appreciated that the cleat body 100 and the ribs 140 may be provided in a unitary structure for ease of manufacturing, a close fit, and a secure and reliable overall structure.

The clamping plate for the rail joint provided by the embodiment is provided with the avoidance surface 120 on the clamping plate main body 100, and on the premise of thickening the clamping plate main body 100, the installation of the rail fastener is not hindered due to the design of the avoidance surface 120. When the splint main body 100 is thickened, the strength of the splint main body 100 is enhanced, ribs do not need to be arranged, the processing difficulty is reduced, and the processing cost is reduced.

Referring to fig. 2, the present embodiment also provides a rail joint assembly including a fastener 200, an insulating layer 300, and the rail joint clamping plate of the above embodiment. It should be understood that the number of the clamping plate bodies 100 and the number of the insulating layers 300 are two, the two insulating layers 300 are respectively located at two opposite sides of the steel rail body 001, and the two clamping plate bodies 100 respectively correspond to the two insulating layers 300, that is, the inner plate surface 130 of each clamping body is attached to the outer surface of the corresponding insulating layer 300. The fastener 200 is inserted into the fixing hole 150 and penetrates the insulating layer 300 and the rail main body 001, and clamps the clip main body 100 and the insulating layer 300 to the rail main body 001.

It should be understood that the fastener 200 includes a bolt 210, a nut 220 and a spacer 230, the bolt 210 penetrates the clamping plate body 100 and the insulation layer 300, the nut 220 is screwed with the bolt 210, and the spacer 230 is sleeved outside the bolt 210. During assembly, one end of the bolt 210 is provided with an end cap, the other end sequentially passes through the clamping plate main body 100 and the insulating layer 300 on one side of the steel rail main body 001, the steel rail main body 001 and the insulating layer 300 and the clamping plate main body 100 on the other side of the steel rail main body 001, then the gasket 230 is sleeved on the part of the bolt 210 penetrating out of the clamping plate main body 100, the nut 220 is in threaded connection with the bolt 210, the nut 220 is matched with the end cap, and the two clamping plate main bodies 100 and the two insulating layers 300 are clamped on two sides of the steel rail main body 001.

The embodiment also provides a butt joint rail, the butt joint rail includes rail main part 001 and the rail joint subassembly of above-mentioned embodiment, and insulating layer 300 laminating is in rail main part 001, and fastener 200 is fixed insulating layer 300 and splint main part 100 on rail main part 001, and the face 120 of dodging of splint main part 100 forms between the top surface of the rail end of rail main part 001 and is used for dodging the space 002 of dodging of rail fastener, and the rail fastener of installing on the sleeper can be corresponding to the position department lock joint of dodging space 002 with the rail end.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A rail joint clamp comprising:

The steel rail clamp comprises a clamp body (100), wherein the clamp body (100) comprises an outer plate surface (110), an avoidance surface (120) and an inner plate surface (130) which are sequentially connected, and the inner plate surface (130) is used for clamping an insulating layer (300) in a matched mode with a steel rail body (001); the avoidance surface (120) and the outer plate surface (110) have an obtuse angle, and one side, connected with the inner plate surface (130), of the avoidance surface (120) is positioned between the outer plate surface (110) and the inner plate surface (130);

Under the condition that the clamping plate main body (100) is matched with the steel rail main body (001), an avoidance space (002) is formed between the avoidance surface (120) and the top surface of the rail bottom of the steel rail main body (001).

2. A rail joint clamping plate as claimed in claim 1, wherein:

the outer plate surface (110) is provided with ribs (140).

3. A rail joint clamping plate as claimed in claim 2, wherein:

The ribs (140) and the outer plate surface (110) are arranged as an integral structure.

4. A rail joint clamping plate as claimed in claim 2, wherein:

One end of the convex rib (140) extends to the connection position of the inner plate surface (130) and the outer plate surface (110), and the other end of the convex rib (140) extends to the connection position of the avoidance surface (120) and the inner plate surface (130).

5. A rail joint clamping plate as claimed in claim 1, wherein:

The splint body (100) is provided with a fixing hole (150) for threading the fastener (200).

6. A rail joint clamping plate as defined in claim 5, wherein:

One end of the fixing hole (150) is positioned on the outer plate surface (110), and the other end is positioned on the inner plate surface (130).

7. A rail joint assembly, the rail joint assembly comprising:

A rail joint clamping plate as claimed in any one of claims 1 to 6.

8. The rail joint assembly of claim 7, wherein:

The rail joint assembly further comprises a fastener (200) and an insulating layer (300), wherein the insulating layer (300) is attached to the inner plate surface (130) of the clamping plate main body (100), and the fastener (200) is used for fixing the clamping plate main body (100) on the rail main body (001).

9. A rail joint assembly as claimed in claim 8, wherein:

The fastener (200) comprises a bolt (210), a nut (220) and a gasket (230), wherein the bolt (210) penetrates through the clamping plate main body (100) and the insulating layer (300), the nut (220) is in threaded connection with the bolt (210), and the gasket (230) is sleeved outside the bolt (210).

10. A docking rail, the docking rail comprising:

Rail joint assembly according to any one of claims 8-9 and a rail body (001), wherein the insulating layer (300) is attached to the rail body (001), the fastening member (200) fixes the insulating layer (300) and the clamping plate body (100) to the rail body (001), and a avoiding space (002) for avoiding the rail fastening is formed between the avoiding surface (120) of the clamping plate body (100) and the top surface of the rail bottom of the rail body (001).