CN220846881U - Insulated joint and track - Google Patents

Abstract

The utility model provides an insulating joint and a track. The insulating joint includes: the first surface of the insulating groove plate is provided with a first groove; and the clamping plate comprises a main body, a first transverse reinforcing rib and a vertical reinforcing rib, wherein the main body is connected with the insulating groove plate, at least part of the main body is positioned in the first groove, the main body is configured to be capable of supporting the groove wall of the insulating groove plate, the first transverse reinforcing rib and the vertical reinforcing rib are both arranged on the main body, the first transverse reinforcing rib extends along the transverse direction of the main body, the vertical reinforcing rib extends along the longitudinal direction of the main body, and the first transverse reinforcing rib and the vertical reinforcing rib are configured to be capable of reinforcing the structural strength of the main body. The insulating joint of the technical scheme of the utility model can solve the problems that the existing cementing insulating joint is low in strength, and rail joints are easily enlarged and even the insulating joint is damaged.

Description

Insulated joint and track

Technical Field

The utility model relates to the technical field of rails, in particular to an insulating joint and a rail.

Background

The insulating joint is mainly used for the insulating section of the circuit steel rail, is arranged in the blocking partition boundary point or the partition, is used for meeting the separation requirement of the blocking partition of the track circuit, and can be directly welded into a long rail so as to lay a seamless line of the ultra-long steel rail.

In the prior art known by the inventor, most of the existing insulating joints are glued insulating joints, and insulating materials and steel rails are glued into a whole through insulating groove plates, adhesive and high-strength bolts by the glued insulating joints, so that mutual independence of two interval circuits in a line is ensured, the impact effect of a train is reduced, the continuity and stability of a seamless line are further improved, the condition of a track circuit is improved, and the insulating reliability between the line intervals is improved. When the temperature is lower in winter, the steel rail contracts, the insulating joint bears the tensile force of the steel rail, and the glued insulating joint has lower strength, so that the rail gap is easily enlarged and even the insulating joint is damaged.

Disclosure of utility model

The utility model mainly aims to provide an insulating joint and a track, which can solve the problems that the strength of the existing cementing insulating joint is low, and rail joints are easily enlarged and even the insulating joint is damaged.

In order to achieve the above object, according to an aspect of the present utility model, there is provided an insulated joint comprising: the first surface of the insulating groove plate is provided with a first groove; and the clamping plate comprises a main body, a first transverse reinforcing rib and a vertical reinforcing rib, wherein the main body is connected with the insulating groove plate, at least part of the main body is positioned in the first groove, the main body is configured to be capable of supporting the groove wall of the insulating groove plate, the first transverse reinforcing rib and the vertical reinforcing rib are both arranged on the main body, the first transverse reinforcing rib extends along the transverse direction of the main body, the vertical reinforcing rib extends along the longitudinal direction of the main body, and the first transverse reinforcing rib and the vertical reinforcing rib are configured to be capable of reinforcing the structural strength of the main body.

Further, the first surface of the main body is matched with the shape of the first groove, faces the first groove and is attached to the bottom of the first groove.

Further, the splint still includes the horizontal strengthening rib of second, and the horizontal strengthening rib of second extends along the horizontal direction of main part, and first horizontal strengthening rib, perpendicular strengthening rib and the horizontal strengthening rib of second all set up the second face at the main part.

Further, the first transverse reinforcing rib is arranged at the top of the main body; and/or, the vertical reinforcing rib is arranged in the middle of the main body; and/or the second transverse reinforcing rib is arranged at the bottom of the main body.

Further, the splint further comprises a supporting block, and the first transverse reinforcing ribs and the main body are connected with the supporting block.

Further, the insulating joint further comprises an insulating end plate, the insulating end plate is provided with a second groove, and the second face of the insulating groove plate is attached to the second groove.

According to another aspect of the utility model there is provided a track comprising a rail and an insulated joint as described above, the rail, insulated channel plate and clamping plate being connected in sequence.

Further, the steel rail comprises a rail web, the insulating groove plate and the clamping plate are connected with the rail web and are positioned in the rail web, and the second surface of the insulating groove plate is attached to the wall surface of the rail web.

Further, first connecting through holes are formed in the steel rail, second connecting through holes are formed in the insulating groove plates, third connecting through holes are formed in the clamping plates, the first connecting through holes, the second connecting through holes and the third connecting through holes are coaxial, the insulating joint further comprises a connecting component, the connecting component comprises a connecting rod and an insulating sleeve, the steel rail, the insulating groove plates and the clamping plates are connected through the connecting rod, the insulating sleeve is sleeved on the connecting rod, and the length of the insulating sleeve is equal to or greater than the depth of the first connecting through holes.

Further, rail and insulated joint all set up to a plurality ofly, when insulated joint includes insulating end plate, the terminal surface shape looks adaptation of insulating end plate and rail, every insulating end plate sets up between two rails, the edge of insulating end plate flushes or concave in the wall of rail with the wall of rail, two insulating frid and two splint are a set of, an insulating frid and a splint of every group are located the first face of rail, another insulating frid and another splint of same group are located the second face of rail, the rail is located between two insulating frids of a set of.

By applying the technical scheme of the utility model, the two steel rails are connected with each other through the insulating groove plate and the clamping plate, and the clamping plate plays a role in increasing strength. Because splint include first horizontal strengthening rib and perpendicular strengthening rib, consequently through addding splint for insulating joint's intensity increase. When the temperature is lower in winter, the steel rail contracts, the insulating groove plates and the clamping plates of the insulating joints bear the tensile force of the steel rail together, the possibility that the rail gaps are pulled up is reduced, and the insulating joints are not damaged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Attached at

In the figure:

FIG. 1 shows a schematic structural view of a track of an embodiment of the present utility model;

FIG. 2 shows a schematic view of another angle of the track of FIG. 1 in accordance with the present utility model;

FIG. 3 shows an exploded view of the track of FIG. 1 in accordance with the present utility model;

FIG. 4 shows a schematic structural view of a clamping plate of an insulated joint according to an embodiment of the utility model;

FIG. 5 shows a schematic view of another angle of the splint of FIG. 4 according to the present utility model;

FIG. 6 shows a side view of the splint of FIG. 4 according to the present utility model;

fig. 7 shows a schematic structural view of an insulation board of an insulation joint according to an embodiment of the present utility model;

fig. 8 shows a side view of the insulating slot board of fig. 7 in accordance with the present utility model; and

Fig. 9 shows a schematic structural view of a rail of a track according to an embodiment of the present utility model.

Wherein the above figures include the following reference numerals:

11. An insulating slot plate; 111. a second connection through hole; 12. a clamping plate; 121. a main body; 122. a first transverse stiffener; 123. vertical reinforcing ribs; 124. second transverse reinforcing ribs; 125. a support block; 126. a third connecting through hole; 13. a connection assembly; 131. a connecting rod; 132. an insulating sleeve; 133. a nut; 134. a gasket; 14. an insulating end plate; 20. a steel rail; 21. rail waist; 22. and a first connection via.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1 to 9, the present utility model provides an insulated joint. The insulating joint includes: an insulating slot plate 11, wherein a first surface of the insulating slot plate 11 is provided with a first groove; and a clamping plate 12 including a main body 121, a first transverse reinforcing rib 122 and a vertical reinforcing rib 123, the main body 121 is connected with the insulating groove plate 11, at least part of the main body 121 is positioned in the first groove, the main body 121 is configured to be capable of supporting the groove wall of the insulating groove plate 11, the first transverse reinforcing rib 122 and the vertical reinforcing rib 123 are both arranged on the main body 121, the first transverse reinforcing rib 122 extends along the transverse direction of the main body 121, the vertical reinforcing rib 123 extends along the longitudinal direction of the main body 121, and the first transverse reinforcing rib 122 and the vertical reinforcing rib 123 are configured to be capable of reinforcing the structural strength of the main body 121.

In this embodiment, the first transverse reinforcing rib 122 increases the structural strength of the main body 121 in the transverse direction, the vertical reinforcing rib 123 increases the structural strength of the main body 121 in the longitudinal direction, the first transverse reinforcing rib 122 is matched with the vertical reinforcing rib 123, so that the structural strength of the clamping plate 12 is high, when the temperature is low in winter, the steel rail 20 is contracted, the insulating joint is subjected to the tensile force of the steel rail 20, a small part of the tensile force is borne by the insulating groove plate 11, most of the tensile force is borne by the clamping plate 12, the clamping plate 12 can provide higher shear load, namely, the insulating groove plate 11 and the clamping plate 12 jointly bear the tensile force of the steel rail 20, so that the tensile force borne by the insulating joint is within the range of the tensile force borne by the insulating groove plate 11 and the clamping plate 12, and further the insulating joint always provides a force resisting the tensile force of the steel rail 20, so that the rail gap of the steel rail 20 is prevented from being pulled large to the greatest extent. Through the arrangement of the clamping plate 12, the bearable force of the insulating joint is larger, and the application range is wider.

Since the first groove is formed by bending the first face of the insulating groove plate 11 toward the clamping plate 12, the first groove is easily pulled to deform when the insulating groove plate 11 is stressed, so that at least part of the clamping plate 12 is arranged in the first groove, and the clamping plate 12 supports the groove wall of the first groove, thus, when the insulating groove plate 11 is stressed, the insulating groove plate 11 generates a tendency to deform in a direction approaching to the clamping plate 12, and the insulating groove plate 11 is prevented from deforming by the support of the clamping plate 12.

Specifically, the material strength of the clamping plate 12 is greater than that of the insulating groove plate 11, high-quality steel with strength higher than that of No. 55 steel is preferred, the thickness of the clamping plate 12 is greater than that of the insulating groove plate 11 and greater than 50mm, and the material and thickness of the clamping plate 12 are set, so that the clamping plate 12 and the steel rail 20 have the same structural strength, the insulating joint is ensured to resist the tensile force of most of the steel rail 20, and the rail gap of the steel rail 20 is prevented from being pulled to be large. The first lateral reinforcing ribs 122 extend to the edge of the body 121, maximizing the structural strength of the body 121 in the lateral direction.

Referring to fig. 1 to 9, in one embodiment of the present utility model, the first surface of the main body 121 is adapted to the shape of the first groove, and the first surface of the main body 121 faces the first groove and is fitted to the bottom of the first groove.

In this embodiment, when the insulating groove plate 11 is stressed, the main body 121 can fully support the bottom of the first groove, so that the first groove cannot be deformed, the force stressed by the insulating groove plate 11 is not required to be converted into deformation of the first groove, and most of the force is transferred to the clamping plate 12 and is borne by the clamping plate 12, so that the insulating groove plate 11 is prevented from being deformed, and the service life of the insulating groove plate 11 is further prolonged.

Specifically, the length of the first face of the body 121 in the lateral direction is smaller than the length of the first groove in the lateral direction.

Referring to fig. 1 to 9, in one embodiment of the present utility model, the clamping plate 12 further includes a second lateral reinforcing rib 124, the second lateral reinforcing rib 124 extending in a lateral direction of the main body 121, and the first lateral reinforcing rib 122, the vertical reinforcing rib 123 and the second lateral reinforcing rib 124 are disposed on the second face of the main body 121.

In this embodiment, the first transverse reinforcing rib 122 and the second transverse reinforcing rib 124 are both used for increasing the structural strength of the main body 121 in the transverse direction, the first transverse reinforcing rib 122 and the second transverse reinforcing rib 124 are parallel, the first transverse reinforcing rib 122 is disposed on the upper portion of the main body 121, the second transverse reinforcing rib 124 is disposed on the lower portion of the main body 121, the first transverse reinforcing rib 122 and the second transverse reinforcing rib 124 are used for enhancing the rigidity of the upper portion and the lower portion of the main body 121, and weak links in the stress process of the main body 121 are enhanced, so that the stress performance of the main body 121 is improved. The first transverse reinforcing ribs 122, the vertical reinforcing ribs 123 and the second transverse reinforcing ribs 124 are arranged away from the insulating groove plate 11, so that the first surface of the main body 121 is a flat surface, and the first surface of the main body 121 can be fully attached to the first surface of the insulating groove plate 11.

Specifically, the first transverse reinforcing rib 122, the vertical reinforcing rib 123 and the second transverse reinforcing rib 124 protrude from the first surface of the main body 121, so that the thicknesses of the first transverse reinforcing rib 122, the vertical reinforcing rib 123 and the second transverse reinforcing rib 124 can meet the requirements, and further the structural strength of the three can meet the requirements.

Referring to fig. 1 to 9, in one embodiment of the present utility model, a first lateral reinforcing rib 122 is provided at the top of a body 121, a vertical reinforcing rib 123 is provided at the middle of the body 121, and a second lateral reinforcing rib 124 is provided at the bottom of the body 121.

In this embodiment, the vertical stiffener 123 is disposed at the position of the clamping plate 12 at the rail seam, the first end of the vertical stiffener 123 extends to the first transverse stiffener 122, the second end of the vertical stiffener 123 extends to the second transverse stiffener 124, the first transverse stiffener 122, the vertical stiffener 123 and the second transverse stiffener 124 form an "i" structure, and the three form a support, and cooperate to bear the force borne by the clamping plate 12, so that the rigidity of the rail seam in which the stress is relatively more unfavorable in the rail is enhanced, and the safe operation of the rail line is ensured.

Referring to fig. 1 to 9, in one embodiment of the present utility model, the clamping plate 12 further includes a support block 125, and the first transverse reinforcing rib 122 and the body 121 are connected to the support block 125.

In this embodiment, the supporting blocks 125 are set to be plural, and are uniformly arranged along the length direction of the first transverse reinforcing rib 122, and the supporting blocks 125 are used for supporting the first transverse reinforcing rib 122, and because the length of the first transverse reinforcing rib 122 in the transverse direction is longer, when the first transverse reinforcing rib 122 is stressed too much, the supporting blocks 125 are easily broken, so that the range of the force which can be borne by the first transverse reinforcing rib 122 is increased, the first transverse reinforcing rib 122 is prevented from being broken, and meanwhile, the rigidity of the integral clamping plate 12 is enhanced.

Specifically, the supporting block 125 is a right-angle triangular prism, a face of one right-angle side of the supporting block 125 is connected with the first transverse reinforcing rib 122, a face of the other right-angle side of the supporting block 125 is connected with the main body 121, and the shape of the supporting block 125 is set to make its structural stability strong, so that the stability of the first transverse reinforcing rib 122 is ensured.

Referring to fig. 1 to 9, in one embodiment of the present utility model, the insulation joint further includes an insulation end plate 14, the insulation end plate 14 has a second groove, and the second face of the insulation slot plate 11 is fitted with the second groove.

In the present embodiment, the insulating end plate 14 is provided between the two rails 20 and is attached to the end surfaces of the two rails 20 to insulate the two rails 20.

Specifically, the insulating end plate 14 uses two types of 6mm and 8mm, can adapt to more complex on-site seam rail conditions, and realizes adjustable rail seams.

Referring to fig. 1 to 9, the present utility model also provides a track comprising a rail 20 and the above-mentioned insulated joint, the rail 20, the insulated channel plate 11 and the clamping plate 12 being connected in sequence.

In this embodiment, the insulating joint of the track has all the technical schemes and all the technical effects of the insulating joint, and will not be described herein.

Referring to fig. 1 to 9, in one embodiment of the present utility model, the rail 20 includes a web 21, and the insulating channel plate 11 and the clamping plate 12 are connected to the web 21 and positioned in the web 21, and the second face of the insulating channel plate 11 is abutted against the wall surface of the web 21.

In this embodiment, the rail web 21 is a groove structure, the insulating groove plate 11 and the clamping plate 12 are embedded into the rail web 21, the clamping plate 12 is arranged at the position of the rail web 21 and used for connecting two mutually independent rails 20 in two sections, so that a train can smoothly pass through the rails 20, the insulating groove plate 11 is arranged between the clamping plate 12 and the rail web 21 and is tightly attached to the rail web 21, the clamping plate 12 and the rails 20 are mutually insulated, the two rails 20 are respectively in two different circuit sections, and the partition control management of a circuit is realized.

Referring to fig. 1 to 9, in one embodiment of the present utility model, a first connection hole 22 is formed in a rail 20, a second connection hole 111 is formed in an insulation groove plate 11, a third connection hole 126 is formed in a clamping plate 12, the first connection hole 22, the second connection hole 111 and the third connection hole 126 are coaxial, the insulation joint further includes a connection assembly 13, the connection assembly 13 includes a connection rod 131 and an insulation sleeve 132, the rail 20, the insulation groove plate 11 and the clamping plate 12 are connected through the connection rod 131, the insulation sleeve 132 is sleeved on the connection rod 131, and the length of the insulation sleeve 132 is equal to or greater than the depth of the first connection hole 22.

In this embodiment, the first connecting hole 22, the second connecting hole 111 and the third connecting hole 126 are all round holes, the connecting rod 131 is a threaded rod with one end provided with external threads, the connecting assembly 13 further comprises a nut 133 and a gasket 134, when in connection, the insulating sleeve 132 is inserted into the first connecting hole 22 of the rail 20, the connecting rod 131 sequentially passes through the third connecting hole 126 of the clamping plate 12 and the second connecting hole 111 of the insulating groove plate 11 located on the first surface of the rail 20, then passes through the first connecting hole 22 of the rail 20, sequentially passes through the second connecting hole 111 of the insulating groove plate 11 and the third connecting hole 126 of the clamping plate 12 located on the second surface of the rail 20, then is sleeved with the gasket 134, and is screwed into the nut 133. The first connecting through holes 22 are formed in a plurality along the transverse length direction of the steel rail 20, the second connecting through holes 111 are formed in a plurality along the transverse length direction of the insulating groove plate 11, the third connecting through holes 126 are formed in a plurality along the transverse length direction of the clamping plate 12, the first connecting through holes 22, the second connecting through holes 111 and the third connecting through holes 126 are the same in number and are even in number, the setting directions of the connecting assemblies 13 of the connecting through holes located at the singular positions of the first surface of the steel rail 20 are the same, the setting directions of the connecting assemblies 13 of the connecting through holes located at the even positions of the second surface of the steel rail 20 are the same, and connection stability is guaranteed.

Through the length setting of insulating sleeve 132, when guaranteeing to insulate between rail 20 and the splint 12, can also furthest reduce insulating sleeve 132's consumptive material, increase material utilization, reduce cost. The length of the insulating sleeve 132 may be selected to be 28mm.

Specifically, the connecting assembly 13 further includes an adhesive, the adhesive is coated between the insulating groove plate 11 and the steel rail 20, between the insulating groove plate 11 and the clamping plate 12 and between the insulating end plate 14 and the end surface of the steel rail 20, so as to achieve bonding, the adhesive is matched with the connecting rod 131, so that the connection strength between the insulating groove plate 11 and the steel rail 20, between the insulating groove plate 11 and the clamping plate 12 and between the insulating end plate 14 and the end surface of the steel rail 20 is increased, on one hand, because the connection end part of the steel rail 20 and the clamping plate 12 are stressed more than other parts of the steel rail 20, if the sealing between the insulating groove plate 11 and the steel rail 20, between the insulating groove plate 11 and the clamping plate 12 and between the insulating end plate 14 and the end surface of the steel rail 20 is insufficient, under the load of the connection end part of the steel rail 20, the rail gap is further increased, so that the insulating end plate 14 is exposed and worn, and therefore, the connection strength between the insulating groove plate 11 and the steel rail 20, the insulating groove plate 11 and the clamping plate 12 and the end surface of the insulating end plate 14 are increased, so that the insulating end plate 14 is prevented from being worn and even crushed; on the other hand, the insulating groove plate 11 is prevented from being separated from the rail 20 or the clamping plate 12 is prevented from being separated from the insulating groove plate 11 due to the forced vibration of the rail 20.

The connecting end of the rail 20 is the end of the rail 20 connected to the insulating end plate 14.

Specifically, the connecting rod 131 adopts a 12.9-level M27 large hexagon head bolt, the nut 133 is further used for a 12H-level M27 nut 133, the strength is high, the strength of the insulating joint can be increased, and the defects that rail joints are large, the insulating end plate 14 is crushed, the connecting through hole is cracked and the like are overcome.

Referring to fig. 1 to 9, in one embodiment of the present utility model, the number of the rail 20 and the number of the insulating joints are plural, and when the insulating joints include the insulating end plates 14, the insulating end plates 14 are adapted to the end surface shape of the rail 20, each insulating end plate 14 is disposed between two rails 20, the edge of the insulating end plate 14 is flush with the wall surface of the rail 20 or recessed in the wall surface of the rail 20, two insulating groove plates 11 and two clamping plates 12 are formed in a group, one insulating groove plate 11 and one clamping plate 12 of each group are disposed on the first surface of the rail 20, the other insulating groove plate 11 and the other clamping plate 12 of the same group are disposed on the second surface of the rail 20, and the rail 20 is disposed between two insulating groove plates 11 of one group.

In this embodiment, each insulation joint includes an insulation end plate 14, two insulation groove plates 11 and two clamping plates 12, and the two groups of insulation groove plates 11 and clamping plates 12 are respectively located on two opposite sides of the steel rail 20, so as to ensure connection stability of the steel rail 20, and further ensure stability of the steel rail 20 in use.

From the above description, it can be seen that the above-described embodiments of the present utility model achieve the following technical effects: the two steel rails are connected through the insulating groove plate and the clamping plate, and the clamping plate plays a role in increasing strength. Because splint include first horizontal strengthening rib and perpendicular strengthening rib, consequently through addding splint for insulating joint's intensity is big. When the temperature is lower in winter, the steel rail contracts, the insulating groove plates and the clamping plates of the insulating joints bear the tensile force of the steel rail together, the possibility that the rail gaps are pulled up is reduced, and the insulating joints are not damaged.

It will be apparent that the embodiments described above are merely 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 present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

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. An insulated joint, comprising:

An insulating groove plate (11), wherein a first surface of the insulating groove plate (11) is provided with a first groove; and

Clamp plate (12), including main part (121), first horizontal strengthening rib (122) and perpendicular strengthening rib (123), main part (121) with insulating frid (11) are connected, at least part of main part (121) is located in the first recess, main part (121) are constructed can support cell wall of insulating frid (11), first horizontal strengthening rib (122) with perpendicular strengthening rib (123) all set up on main part (121), first horizontal strengthening rib (122) are followed the lateral direction of main part (121) extends, perpendicular strengthening rib (123) are followed the longitudinal direction of main part (121) extends, first horizontal strengthening rib (122) with perpendicular strengthening rib (123) are constructed can strengthen the structural strength of main part (121).

2. The insulating joint according to claim 1, characterized in that the first face of the body (121) is adapted to the shape of the first recess, the first face of the body (121) facing the first recess and conforming to the bottom of the first recess.

3. The insulated joint according to claim 2, wherein the clamping plate (12) further comprises a second lateral stiffener (124), the second lateral stiffener (124) extending in a lateral direction of the main body (121), the first lateral stiffener (122), the vertical stiffener (123) and the second lateral stiffener (124) being arranged on a second face of the main body (121).

4. An insulated joint according to claim 3, characterized in that the first transverse stiffener (122) is provided on top of the body (121); and/or the vertical reinforcing rib (123) is arranged in the middle of the main body (121); and/or the second transverse reinforcing rib (124) is arranged at the bottom of the main body (121).

5. The insulated joint according to any one of claims 1 to 4, wherein the clamping plate (12) further comprises a support block (125), the first transverse stiffener (122) and the body (121) being both connected to the support block (125).

6. An insulating joint according to any one of claims 1 to 4, characterized in that the insulating joint further comprises an insulating end plate (14), the insulating end plate (14) having a second groove, the second face of the insulating channel plate (11) being in abutment with the second groove.

7. A track comprising a rail (20) and an insulated joint according to any one of claims 1 to 6, said rail (20), said insulated channel plate (11) and said clamping plate (12) being connected in sequence.

8. The track according to claim 7, characterized in that the rail (20) comprises a web (21), the insulating channel plate (11) and the clamping plate (12) being connected to the web (21) and being located in the web (21), the second face of the insulating channel plate (11) being in abutment with the wall of the web (21).

9. The track according to claim 7, characterized in that the rail (20) is provided with a first connecting hole (22), the insulating groove plate (11) is provided with a second connecting hole (111), the clamping plate (12) is provided with a third connecting hole (126), the first connecting hole (22), the second connecting hole (111) and the third connecting hole (126) are coaxial, the insulating joint further comprises a connecting component (13), the connecting component (13) comprises a connecting rod (131) and an insulating sleeve (132), the rail (20), the insulating groove plate (11) and the clamping plate (12) are connected through the connecting rod (131), the insulating sleeve (132) is sleeved on the connecting rod (131), and the length of the insulating sleeve (132) is equal to or greater than the depth of the first connecting hole (22).

10. The track according to claim 7, characterized in that the rails (20) and the insulating joints are provided in plurality, when the insulating joints comprise insulating end plates (14), the insulating end plates (14) are adapted to the end surface shape of the rails (20), each insulating end plate (14) is provided between two rails (20), the edges of the insulating end plates (14) are flush with the wall surfaces of the rails (20) or are recessed in the wall surfaces of the rails (20), two insulating channel plates (11) and two clamping plates (12) are provided in a group, one insulating channel plate (11) and one clamping plate (12) of each group are provided on the first surface of the rails (20), the other insulating channel plate (11) and the other clamping plate (12) of the same group are provided on the second surface of the rails (20), and the rails (20) are provided between two insulating channel plates (11) of one group.