CN221000387U - Rail insulation protection system and construction tool thereof - Google Patents

Abstract

The utility model designs a steel rail insulation protection system and a construction tool thereof aiming at the hazard phenomenon caused by stray current of a steel rail, wherein the insulation protection system is mainly realized between the steel rail and a fastener and mainly comprises an application range of the insulation protection system, a composition of the insulation protection system and the construction tool of the insulation protection system, wherein the insulation protection system adopts a cold adhesive water mixture to bond an elastic insulation layer with the steel rail, cold vulcanization reaction can be carried out between the elastic insulation layer and the cold adhesive water, so that the bonding between the elastic insulation layer and the steel rail is firm, and the insulation protection system is more stable in long-term service; the insulation protection system adopts a double insulation protection layer of an elastic insulation layer and sealing nano composite insulation coating combination, so that the insulation performance is more excellent; meanwhile, the insulation protection system achieves the effects that the construction quality is more stable and the construction maintenance is more convenient through a matched construction tool.

Description

Rail insulation protection system and construction tool thereof

Technical Field

The utility model relates to the field of rail transit, in particular to a steel rail insulation protection system and a construction tool thereof.

Background

At present, urban rail transit mainly adopts a direct current power supply mode of using a travelling rail as a return rail to require the rail to be installed in an insulating manner to the ground, so that rail loop current is reduced as much as possible, and rail ground potential and stray current are controlled in a mode of shortening the spacing between traction stations. In order to reduce the damage caused by the stray current, the protection technology for the stray current of the steel rail is still in an immature stage at present although a plurality of corresponding protection measures are adopted by the industry. For example: the insulating gauge block is in plug-in fit with the insulating rail lower pad plate in patent No. CN115110349a to realize the sealing connection between the insulating gauge block and the insulating rail lower pad plate, and the insulating paint is sprayed on the surface of the insulating gauge block, the surface of the insulating rail lower pad plate, and the gap between the insulating gauge block and the insulating rail lower pad plate in patent No. 2. The system has the following problems:

1. In the mode, the transverse thickness of the gauge block is changed into multiple layers of thinned thickness by the plug-in type structure, and the strength of the gauge block after thinning is insufficient to resist the transverse force in the running process of the train, so that the gauge block is deformed or even broken, and therefore, the mode cannot ensure long-term stable sealing connection of the insulation protection effect;

2. The shrinkage and expansion deformation of the steel rail caused by the climate and temperature change in the running process of the train can cause the relative sliding between the steel rail and the fastener rail lower backing plate and the track gauge block, thereby causing the abrasion, the peeling and the like of the insulating coating in the gap, so that the long-term stable service performance of the insulating protection system is poor.

Disclosure of utility model

The utility model aims to overcome the problems in the prior art and provides a steel rail insulation protection system and a construction tool thereof.

In order to achieve the above object, the present utility model adopts the following technical scheme:

a steel rail insulation protection system comprises a metal bonding primer, a cold adhesive water mixture, an elastic insulating layer and a sealing insulating coating which are arranged on a steel rail from inside to outside;

The elastic insulating layer is adhered to the bottom and two sides of the steel rail;

The metal bonding primer layer is arranged between the steel rail and the elastic insulating layer and is used for improving the bonding effect between the steel rail and the elastic insulating layer; the durability of the elastic insulating layer and the high-strength bonding effect of the elastic insulating layer and the steel rail are maintained; the metal bonding primer layer adopts one of an epoxy iron oxide red primer or other materials with the same performance, an epoxy zinc-rich primer or other materials with the same performance, the thickness of the metal bonding primer layer is 0.01-1 mm, and a plurality of colors such as gray are configured;

The self-adhesive is arranged between the cold adhesive water mixture layer and the elastic insulating layer, the elastic insulating layer can perform cold vulcanization reaction with the cold adhesive water mixture layer, and the adhesion effect of the elastic insulating layer on the steel rail is enhanced; the cold adhesive water mixture layer adopts solvent type, water-based type, body type adhesives or other cold vulcanization adhesives with the same bonding effect, the cold adhesive water mixture layer mainly comprises cold adhesive water and a curing agent, the mixing ratio of the cold adhesive water to the curing agent is 20-40:1, the brushing thickness of the cold adhesive water mixture layer is 0.01-1 mm, and the color of the cold adhesive water mixture layer is configured to be similar to the color of the metal bonding primer;

the sealing insulating coating is coated on the outer surfaces of the elastic insulating layer and the steel rail fastener in a spraying mode;

The elastic insulating layer is provided with an arc-shaped water retaining table at the edge of the matching area of the steel rail and the insulating gauge block, and the water flowing down along the rail web of the steel rail head and the water directly dropped down by the steel rail head can be drained to the two sides of the fastener by the water retaining table, so that the water flowing onto the fastener from top to bottom by the steel rail head is prevented, and the generation of stray current is avoided;

The bottom edge of the elastic insulating layer is provided with two positioning opening areas, so that accurate positioning of the elastic insulating layer and the bottom of the steel rail can be realized, 2-4 positioning convex structures are respectively arranged at the top edges of two sides of the elastic insulating layer, 2 or more positioning convex structures are respectively arranged at the bottom edge, and the positioning convex structures are used in cooperation with a portable installation tool.

In order to further optimize the utility model, the following technical scheme can be preferably selected:

Preferably, the thickness of the elastic insulating layer is 0.5-5 mm, and the elastic insulating layer is provided with a closed or open structure in the matching area of the steel rail and the insulating gauge block.

Preferably, the stainless steel wear-resisting plate is arranged in the matching area of the steel rail and the insulating track gauge block, the stainless steel wear-resisting plate and the elastic insulating layer are of an integrated structure, the stainless steel wear-resisting plate is arranged on the upper surface of the elastic insulating layer and is matched with the insulating track gauge block in a direct contact manner, the stainless steel wear-resisting plate is provided with a containing groove, the thickness of the containing groove is reduced compared with other positions of the insulating layer, and the influence on the matching effect between the insulating track gauge block and the steel rail before and after the installation of the insulating layer is reduced.

Preferably, the sealing insulating coating mainly comprises a rapidly-cured solvent type room temperature vulcanized material of the components A and B, wherein the mixing ratio of the components A and B is 10-40:1; the sealing insulating coating has excellent hydrophobicity, insulativity, flame retardance and acid and alkali resistance, and can further enhance the insulating protection effect of the steel rail on stray current.

A construction fixture for rail insulation protection system, construction fixture includes bottom plate, clamp plate A, clamp plate B rotate and set up in the bottom plate both sides and can upwards overturn, be provided with handle A, handle B on clamp plate A, the clamp plate B, all set up the location through-hole that is arranged in matching insulation protection system elastic insulation layer on bottom plate, clamp plate A and the clamp plate B, clamp plate A, clamp plate B inboard set up to with rail both sides assorted, the last holding surface of bottom plate sets up to with rail bottom assorted.

Preferably, the outer side walls of the pressing plate A and the pressing plate B of the construction tool are provided with a plurality of or whole reinforcing ribs so as to prevent deformation caused by overlarge stress of the pressing plate.

Preferably, the thickness of the bottom plate, the pressing plate A and the pressing plate B is 1-10 mm, and the bottom plate is provided with positioning columns matched with the width of the bottom of the steel rail.

The utility model has the following effects:

(1) The insulation protection system mainly comprises metal bonding primer, cold adhesive water mixture, elastic insulation layer and sealing insulation coating; the insulation protection system adopts a cold adhesive water mixture to bond the elastic insulation layer and the steel rail, and cold vulcanization reaction can be carried out between the elastic insulation layer and the cold adhesive water, so that the elastic insulation layer and the steel rail are firmly bonded, and the insulation protection system is more stable in long-term service; the insulation protection system adopts a double insulation protection layer of an elastic insulation layer and sealing nano composite insulation coating combination, so that the insulation performance is more excellent; meanwhile, the insulation protection system achieves the effects that the construction quality is more stable and the construction maintenance is more convenient through a matched construction tool. This insulating protection system sets up insulating protection layer between rail and fastener cooperation region and rail web to this increases the creepage clearance between rail and the ground, reduces the probability that stray current produced, strengthens the protection effect to rail stray current, simultaneously, this rail insulating protection system is applicable to the cooperation condition between rail and the fastener of different structures, has the compatibility to different fastener structures. In addition, the elastic insulating layer is provided with an arc-shaped water retaining table at the edge of the matching area of the steel rail and the insulating gauge block, and the water flowing down along the rail web of the steel rail head and the water directly dripped by the steel rail head can be drained to two sides of the fastener by the water retaining table, so that the water flowing onto the fastener from top to bottom of the steel rail head is prevented, and stray current is avoided.

(2) According to the scheme, the elastic insulating layer is provided with the opening in the matching area of the steel rail and the insulating gauge block, the position and the size of the opening can be adjusted according to specific conditions, and the applicability of the insulating protection system to different types of fasteners is enhanced. At the same time, the opening area is properly enlarged. On the one hand, because the rail can take place the expend with heat and contract with cold phenomenon because of the difference of different seasons and different daily time air temperatures in the operation in-process of train, rail and insulating gauge piece cooperation region can take place relative slip. On the other hand, when the train passes through, the gravity of the train body is transmitted to the steel rail through 4 wheels, so that the steel rail generates certain deformation, and when the train drives away, the steel rail can be restored to the original state due to the characteristics of the steel rail and the buckling pressure of the buckle. At this time, the rail also slides relatively to the insulating gauge block. The proper expansion of the opening area can reduce the damage of the insulating gauge block to the elastic insulating layer in the sliding process of the steel rail.

(3) The insulating protection system mainly comprises metal bonding primer, cold adhesive water mixture, elastic insulating layer, stainless steel wear-resisting plate and sealing insulating coating. The elastic insulating layer is closed in the matching area of the steel rail and the insulating gauge block. Stainless steel wear plates are arranged in the matching area of the steel rail and the insulating gauge block, the positions and the sizes of the stainless steel wear plates can be adjusted according to specific conditions, and the applicability of the insulating protection system to different types of fasteners is enhanced. The stainless steel wear-resisting plate and the elastic insulating layer are of an integrated structure, and the stainless steel wear-resisting plate is arranged on the upper surface of the elastic insulating layer and is in direct contact fit with the insulating gauge block. Be equipped with the holding tank on the stainless steel antifriction plate, this holding tank department thickness compares insulation layer other positions attenuate, reduces the influence to the cooperation effect between insulation track gauge piece and the rail around the insulation layer installation. At the same time, the receiving groove area is enlarged appropriately. On the one hand, because the rail can take place the expend with heat and contract with cold phenomenon because of the difference of different seasons and different daily time air temperatures in the operation in-process of train, rail and insulating gauge piece cooperation region can take place relative slip. On the other hand, when the train passes through, the gravity of the train body is transmitted to the steel rail through 4 wheels, so that the steel rail generates certain deformation, and when the train drives away, the steel rail can be restored to the original state due to the characteristics of the steel rail and the buckling pressure of the buckle. At this time, the rail also slides relatively to the insulating gauge block. The proper expansion of the accommodating groove area can reduce the stress concentration of the gauge block on the steel rail, increase the stress area of the elastic insulating layer under the condition of the same buckling pressure, and reduce the damage of the insulating gauge block on the elastic insulating layer in the sliding process of the steel rail.

Drawings

FIG. 1 is a construction flow diagram of a rail insulation protection system;

FIG. 2 is a diagram showing the cooperation between the rail insulation protection system and the rail fastening in embodiment 1;

fig. 3 is a perspective view of the elastic insulating layer in the present embodiment 1;

Fig. 4 is a top view of the elastic insulating layer in embodiment 1;

FIG. 5 is a diagram showing the cooperation between the rail insulation protection system and the rail fastening in embodiment 2;

fig. 6 is a perspective view of the elastic insulating layer in the present embodiment 2;

FIG. 7 is a top view of the elastic insulating layer of embodiment 2;

FIG. 8 is a view showing the cooperation of the rail insulation protection system and the rail fastening in embodiment 3;

fig. 9 is a perspective view of the elastic insulating layer in this example 3;

Fig. 10 is a top view of the elastic insulating layer in this embodiment 3;

FIG. 11 is a schematic diagram showing the cooperation of the construction tool and the rail and the elastic insulation system in example 4;

FIG. 12 is a closed state diagram of the construction tool in example 4;

Fig. 13 is a view showing an expanded state of the construction tool in example 4.

Wherein: 1-a steel rail; 2-an elastic insulating layer; 3-top edge positioning boss; 4-an arc-shaped water blocking table; 5-bottom edge positioning bosses; 6-an opening region; 7-a fastener; 8-edge positioning openings; 9-stainless steel wear plates; 10-stainless steel wear plate receiving slots; 11-construction tooling; 12-a bottom plate; 13-a platen a; 14-a pressing plate B; 15-handle a; 16-handle B; 17-reinforcing ribs; 18-top edge locating holes; 19-locating pins; 20-a water retaining groove positioning part; 21-bottom edge locating holes; 22-floor positioning posts.

Detailed Description

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.

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all 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.

Example 1:

As shown in fig. 2 to 4, the rail insulation protection system comprises a metal bonding primer, a cold adhesive water mixture, an elastic insulation layer 2 and a sealing insulation coating which are arranged on a rail 1 from inside to outside; wherein the elastic insulating layer is adhered to the bottom and two sides of the steel rail; the metal bonding primer is arranged between the steel rail 1 and the elastic insulating layer 2, and can improve the bonding effect between the elastic insulating layer and the steel rail, and maintain the durability of the elastic insulating layer and the high-strength bonding effect between the elastic insulating layer and the steel rail. The metal bonding primer is generally epoxy iron oxide red primer or other materials with the same performance, epoxy zinc-rich primer or other materials with the same performance, the thickness of the metal bonding primer is 0.01-1 mm, and the metal bonding primer has various colors such as gray.

The metal bonding primer and the elastic insulating layer are provided with a cold adhesive water mixture, the cold adhesive water mixture can adopt solvent type, water-based type, body type adhesives or other cold vulcanized adhesives with the same bonding effect, the cold adhesive water mixture mainly comprises cold adhesive glue and a curing agent, the mixing ratio of the cold adhesive glue to the curing agent is 20-40:1, the brushing thickness of the cold adhesive water mixture is 0.01-1 mm, and the color of the cold adhesive water mixture is generally similar to that of the metal bonding primer.

The thickness of the elastic insulating layer is 0.5-5 mm, and the elastic insulating layer is provided with a closed opening in the matching area of the steel rail and the insulating gauge block. The elastic insulating layer and the cold adhesive water mixture are self-adhesive, the elastic insulating layer can be subjected to cold vulcanization reaction with the cold adhesive water mixture, and the adhesion effect of the elastic insulating layer on the steel rail is enhanced.

The elastic insulating layer is provided with arc manger plate platform 4 at rail and insulating gauge piece cooperation region edge, and this manger plate platform can be with the water drainage of the direct whereabouts of rail railhead along the rail web water and rail railhead to the fastener both sides to prevent rail railhead top-down's rivers to on the fastener to avoid stray current's production.

The bottom edge of the elastic insulating layer is respectively provided with two openings, namely edge positioning openings 8, so that the accurate positioning of the elastic insulating layer and the bottom of the steel rail can be realized, the top edges of the two sides of the elastic insulating layer are respectively provided with 2-4 positioning convex structures, namely top edge positioning bosses 3, and the bottom edges are respectively provided with 2 or more positioning convex structures, namely bottom edge positioning bosses 5. The positioning device aims to realize the positioning function of the elastic insulating layer and the portable tool, the length of a single positioning bulge structure is 10-100 mm, the width is 5-20 mm, the bulge height is 2-20 mm, and the positioning bulge structure does not influence the assembly effect of the whole fastener and the steel rail.

The outer surface of the elastic insulating layer is provided with a sealing insulating coating which is coated on the outer surfaces of the elastic insulating layer 2 and the fastener 7 in a spraying mode. The sealing insulating coating mainly comprises a solvent type room temperature vulcanizing material which is rapidly solidified in the components A and B. The mixing ratio of the component A and the component B is 10-40:1. The sealing insulating coating has excellent hydrophobicity, insulativity, flame retardance and acid and alkali resistance, and can further enhance the insulating protection effect of the steel rail on stray current.

Example 2:

As shown in fig. 5-7; the difference between the embodiment 2 and the embodiment 1 is that the elastic insulating layer 2 is provided with an opening area 6 in the matching area of the steel rail and the insulating track gauge block, the position and the size of the opening area 6 can be adjusted according to specific situations, and the applicability of the insulating protection system to different types of fasteners is enhanced. At the same time, the area of the opening area 6 is properly enlarged; on the one hand, because the rail can take place the expend with heat and contract with cold phenomenon because of the difference of different seasons and different daily time air temperatures in the operation in-process of train, rail and insulating gauge piece cooperation region can take place relative slip. On the other hand, when the train passes through, the gravity of the train body is transmitted to the steel rail through 4 wheels, so that the steel rail generates certain deformation, and when the train drives away, the steel rail can be restored to the original state due to the characteristics of the steel rail and the buckling pressure of the buckle. At this time, the rail also slides relatively to the insulating gauge block. The proper expansion of the area of the open area 6 can reduce the damage of the insulating gauge blocks to the elastic insulating layer during the sliding process of the steel rail.

This example is otherwise identical to example 1.

Example 3:

As shown in fig. 8 to 10, the difference between this embodiment 3 and embodiment 1 is that the insulation protection system is mainly composed of a metal adhesion primer, a cold adhesive water mixture, an elastic insulation layer 2, a stainless steel wear plate 9, and a sealing insulation coating. The elastic insulating layer is closed in the matching area of the steel rail and the insulating gauge block. Stainless steel wear plates 9 are arranged in the matching areas of the steel rails and the insulating gauge blocks, the positions and the sizes of the stainless steel wear plates 9 can be adjusted according to specific conditions, and the applicability of the insulating protection system to different types of fasteners is enhanced.

The stainless steel wear-resisting plate and the elastic insulating layer are of an integrated structure, and the stainless steel wear-resisting plate 9 is arranged on the upper surface of the elastic insulating layer and is in direct contact fit with the insulating gauge block. The stainless steel wear-resisting plate is provided with the stainless steel wear-resisting plate accommodating groove 10, the thickness of the accommodating groove is reduced compared with other positions of the insulating layer, and the influence on the matching effect between the insulating track gauge blocks and the steel rail before and after the insulating layer is installed is reduced. At the same time, the receiving groove area is enlarged appropriately. On the one hand, because the rail can take place the expend with heat and contract with cold phenomenon because of the difference of different seasons and different daily time air temperatures in the operation in-process of train, rail and insulating gauge piece cooperation region can take place relative slip. On the other hand, when the train passes through, the gravity of the train body is transmitted to the steel rail through 4 wheels, so that the steel rail generates certain deformation, and when the train drives away, the steel rail can be restored to the original state due to the characteristics of the steel rail and the buckling pressure of the buckle. At this time, the rail also slides relatively to the insulating gauge block. The proper expansion of the accommodating groove area can reduce the stress concentration of the gauge block on the steel rail, increase the stress area of the elastic insulating layer under the condition of the same buckling pressure, and reduce the damage of the insulating gauge block on the elastic insulating layer in the sliding process of the steel rail.

Because the thickness of elastic insulating layer self is 0.5 ~ 5mm, this insulating protection system implementation back rail transversely and vertical size can become correspondingly big to arouse the rail and can't put into the circumstances that holds rail groove smoothly and bullet strip atress are too big, for solving above problem, designed two kinds of solutions:

(1) The width of the rail bearing groove of the steel rail on the fastener is enlarged, and the corresponding spring strip seat structure is correspondingly adjusted and designed (the rail gauge block does not need to be replaced), so that the insulation protection system can be smoothly matched with the fastener system and the steel rail under the condition that the stress condition of the spring strip is kept unchanged;

(2) The transverse thickness of the insulation gauge block and the thickness of the pressing plate are reduced, the outer dimension of the gauge block is enlarged, the dimension design of the fastener is not required to be changed, the stress condition and the assembly effect of the elastic strip are not affected by the design scheme, and only a small amount of influence is caused on the gauge adjusting amount of the insulation gauge block.

This example is otherwise identical to example 1.

Example 4: as shown in fig. 11-13, the construction tool 11 of the insulation protection system consists of a bottom plate 12, a pressing plate a13 and a pressing plate B14, wherein the pressing plate a and the pressing plate B are rotatably arranged on two sides of the bottom plate and can be turned upwards, a handle a 15 and a handle B16 are arranged on the pressing plate a13 and the pressing plate B14, positioning through holes are formed in the bottom plate and the pressing plate, and a positioning function is realized between the bottom plate and the pressing plate through bolts or positioning pins 19. Wherein the pressing plate of any group is integrally formed with the handle or separately connected into a whole. The pressing plate A and the pressing plate B are provided with the shapes matched with the upper surface and two sides of the bottom of the steel rail. The pressing plate A, the pressing plate B and the bottom plate are respectively provided with a positioning hole matched with the positioning convex structure of the elastic insulating layer, namely, the top edge positioning holes 18 are formed in the positions of the top edges of the pressing plate A and the pressing plate B corresponding to the top edge positioning bosses of the elastic insulating layer, and the bottom edge positioning holes 21 are formed in the positions of the upper surface of the bottom plate 12 corresponding to the bottom edge positioning bosses of the elastic insulating layer. The bottom plate 12 is provided with a bottom plate positioning column 22 matched with the width of the bottom of the steel rail; wherein, the arc-shaped water retaining table positions corresponding to the elastic insulating layers on the pressing plate A and the pressing plate B are provided with water retaining table groove positioning parts.

2-5 Or whole reinforcing ribs 17 are arranged at the positions of the pressing plate A and the pressing plate B of the construction tool 11 so as to prevent deformation caused by overlarge stress of the pressing plate. The thickness of the bottom plate 12, the pressing plate A and the pressing plate B of the construction tool is 1-10 mm. The tool is convenient to use, fewer in parts and simple and convenient to operate.

The construction tool of the insulation protection system can be made of nylon materials or other materials with the same performance, stainless steel materials or other materials with the same performance.

When the construction tool of the insulation protection system adopts nylon materials or other materials with the same performance, the thickness of the pressing plate and the bottom plate can be set to be 6-10 mm. The tool is portable and easy to carry, has the characteristic of being not sticky to cold glue, namely can be easily removed from nylon materials after the cold glue is solidified, has excellent insulating property and hydrophobicity, and is low in cost and replaceable in parts.

When the tooling of the insulation protection system is made of stainless steel materials or other materials with the same performance, the thickness of the pressing plate and the thickness of the bottom plate can be set to be 2-6 mm. The stainless steel material has the advantages of high strength, strong toughness, replaceable parts and long service life.

When the construction tool is closed, the transverse external dimension is increased by 4-20 mm compared with the external dimension of the section of the steel rail, and the longitudinal external dimension is increased by 50-100 mm compared with the width of the fastener; when the construction tool is opened, the transverse outer dimension is increased by 150-450 mm compared with the outer dimension of the section of the steel rail, and the longitudinal outer dimension is increased by 50-100 mm compared with the width of the fastener.

Example 5:

as shown in fig. 1: a construction method of a steel rail insulation protection system comprises the following steps:

S1: determining the installation position and the installation range of an insulation protection system: the method is characterized in that the method is generally carried out after the track is paved in place and the track bed is constructed, firstly, the installation position of an insulation protection system, which is the matching area of the fastener and the steel rail, is determined according to the installation position of the fastener, and line drawing marking is carried out;

S2: lifting the steel rail to a proper height (if the steel rail insulation protection system is additionally installed, the fasteners are required to be removed firstly, and then the steel rail is properly lifted);

S3: carrying out surface treatment on the steel rail with the installation range: polishing off rust on the surface of the steel rail by using a grinder or removing rust on the surface of the steel rail by using a rust remover, and cleaning up water, dust and the like on the surface of the steel rail;

s4: brushing metal bonding primer: uniformly brushing metal bonding primer on the bottom of the steel rail and the waist according to the line drawing range and the construction requirement;

S5: brushing cold adhesive water mixture: after the metal bonding primer is dried, uniformly brushing a cold adhesive water mixture on the metal bonding primer according to the range of the metal bonding primer;

S6: elastic insulating layer and construction frock assembly: correspondingly assembling the elastic insulating layer and the construction tool according to the positioning convex structure on the elastic insulating layer and the positioning hole on the construction tool;

S7: laminating the elastic insulating layer by means of a construction tool: the bottom plate of the construction tool with the elastic insulating layer is assembled in the S6, the rail bottom part of the elastic insulating layer is close to the rail bottom, the elastic insulating layer is carefully positioned, when cold glue is slightly adhered, the bottom plate of the construction tool is pressed, the elastic insulating layer is tightly attached to the bottom of the steel rail, meanwhile, the pressing plates A, B on the two sides of the construction tool are gently pulled up, the two sides of the elastic insulating layer are tightly attached to the top surfaces of the bottom edges of the two sides of the steel rail, and are compacted, and if necessary, a small hammer is used for lightly knocking the pressing plates, so that the elastic insulating layer is tightly attached to the two sides of the steel rail;

S8: dismantling the construction tool: after the elastic insulating layer is tightly attached to the steel rail, loosening the construction tool and taking down the construction tool;

S9: installing fasteners and resetting the steel rail: parts such as fastener elastic strips, insulating track gauge blocks and the like are installed according to the installation requirements of the fasteners and fixed on the steel rail, and the steel rail is reset;

S10: spraying a sealing insulating coating: uniformly spraying a sealing insulating coating on the surfaces of the elastic insulating layer, the matching area of the steel rail and the insulating gauge block and the surfaces of the fasteners according to construction requirements;

S11: and (5) finishing construction.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims (6)

1. A rail insulation protection system is characterized in that: the steel rail comprises a metal bonding primer layer, a cold adhesive water mixture layer, an elastic insulating layer and a sealing insulating coating which are arranged on the steel rail from inside to outside;

The elastic insulating layer is adhered to the bottom and two sides of the steel rail;

The metal bonding primer layer is arranged between the steel rail and the elastic insulating layer and is used for improving the bonding effect between the steel rail and the elastic insulating layer; the thickness of the metal bonding primer layer is 0.01-1 mm, and a plurality of colors are configured;

The self-adhesive is arranged between the cold adhesive water mixture layer and the elastic insulating layer, the elastic insulating layer can perform cold vulcanization reaction with the cold adhesive water mixture layer, and the adhesion effect of the elastic insulating layer on the steel rail is enhanced; the brushing thickness of the cold adhesive water mixture layer is between 0.01 and 1mm, and the color of the cold adhesive water mixture layer is configured to be similar to that of the metal bonding primer;

The sealing insulating coating is coated on the outer surface of the elastic insulating layer and the fastener in a spraying mode;

The elastic insulating layer is provided with an arc-shaped water retaining table at the edge of the matching area of the steel rail and the insulating gauge block, and the water flowing down along the rail web of the steel rail head and the water directly dropped down by the steel rail head can be drained to the two sides of the fastener by the water retaining table, so that the water flowing onto the fastener from top to bottom by the steel rail head is prevented, and the generation of stray current is avoided;

The bottom edge of the elastic insulating layer is provided with two positioning opening areas, so that accurate positioning of the elastic insulating layer and the bottom of the steel rail can be realized, 2-4 positioning convex structures are respectively arranged at the top edges of two sides of the elastic insulating layer, 2 or more positioning convex structures are respectively arranged at the bottom edge, and the positioning convex structures are used in cooperation with a portable installation tool.

2. A rail insulation protection system according to claim 1, wherein: the thickness of the elastic insulating layer is 0.5-5 mm, and the elastic insulating layer is provided with a closed or open structure in the matching area of the steel rail and the insulating gauge block.

3. A rail insulation protection system according to claim 1, wherein: the stainless steel wear-resisting plate is arranged in the matching area of the steel rail and the insulating gauge block, the stainless steel wear-resisting plate and the elastic insulating layer are of an integrated structure, the stainless steel wear-resisting plate is arranged on the upper surface of the elastic insulating layer and is matched with the insulating gauge block in a direct contact mode, the stainless steel wear-resisting plate is provided with a containing groove, the thickness of the containing groove is reduced compared with other positions of the insulating layer, and the influence on the matching effect between the insulating gauge block and the steel rail before and after the installation of the insulating layer is reduced.

4. A construction frock for rail insulation protection system, its characterized in that: the construction tool comprises a bottom plate, a pressing plate A and a pressing plate B, wherein the pressing plate A and the pressing plate B are rotatably arranged on two sides of the bottom plate and can be turned upwards, a handle A and a handle B are arranged on the pressing plate A and the pressing plate B, positioning through holes for matching an elastic insulating layer in an insulating protection system are formed in the bottom plate, the pressing plate A and the pressing plate B, the inner sides of the pressing plate A and the pressing plate B are matched with two sides of a steel rail, and an upper supporting surface of the bottom plate is matched with the bottom of the steel rail.

5. The construction tool for the steel rail insulation protection system according to claim 4, wherein a plurality of or whole reinforcing ribs are arranged on the outer side walls of the pressing plate A and the pressing plate B of the construction tool so as to prevent deformation caused by overlarge stress of the pressing plate.

6. The construction tool for the steel rail insulation protection system according to claim 5, wherein the thickness of the bottom plate, the thickness of the pressing plate A and the thickness of the pressing plate B are 1-10 mm, and the bottom plate is provided with positioning columns matched with the width of the bottom of the steel rail.