阅读说明：本技术 第一钢轨与第二钢轨的连接结构 (Connecting structure of first steel rail and second steel rail ) 是由 刘皓 朱洪志 于 2020-06-30 设计创作，主要内容包括：本发明供了一种第一钢轨与第二钢轨的连接结构,包括：第一钢轨,为50kg/m钢轨；第二钢轨,为80R钢轨；异型接头,异型接头的一端与50kg/m钢轨相连,异型接头的另一端与80R钢轨相连,50kg/m钢轨与80R钢轨通过异型接头固定连接；其中,50kg/m钢轨的顶面和80R钢轨的顶面齐平,50kg/m钢轨的轨头朝向工作边的端面和80R钢轨的轨头朝向工作边的端面齐平。本发明所提供的连接结构,通过设置异型接头,实现了50kg/m钢轨与80R钢轨的连接,并通过合理设置第一连接段、过渡段和第二连接段的相对位置,能够保障列车通过时的稳定性与安全性。(The invention provides a connection structure of a first steel rail and a second steel rail, which comprises: the first steel rail is a 50kg/m steel rail; the second steel rail is an 80R steel rail; one end of the special-shaped joint is connected with the 50kg/m steel rail, the other end of the special-shaped joint is connected with the 80R steel rail, and the 50kg/m steel rail is fixedly connected with the 80R steel rail through the special-shaped joint; wherein the top surface of the 50kg/m rail is flush with the top surface of the 80R rail, and the end surface of the head of the 50kg/m rail facing the working edge is flush with the end surface of the head of the 80R rail facing the working edge. The connecting structure provided by the invention realizes the connection of the 50kg/m steel rail and the 80R steel rail by arranging the special-shaped joint, and can ensure the stability and the safety of a train when the train passes through by reasonably arranging the relative positions of the first connecting section, the transition section and the second connecting section.)

1. A connection structure of a first rail and a second rail, comprising:

a first rail of 50kg/m rail (200);

a second rail, which is an 80R rail (300);

one end of the special-shaped joint (100) is connected with the 50kg/m steel rail (200), the other end of the special-shaped joint (100) is connected with the 80R steel rail (300), and the 50kg/m steel rail (200) is fixedly connected with the 80R steel rail (300) through the special-shaped joint;

wherein the top surface of the 50kg/m rail (200) is flush with the top surface of the 80R rail (300), and the end surface of the head (101A) of the 50kg/m rail (200) facing the working edge is flush with the end surface of the head (101B) of the 80R rail (300) facing the working edge.

2. The structure for connecting a first rail to a second rail according to claim 1, wherein the shaped joint (100) comprises a shaped rail (10) and a joint clamp (20), the shaped rail (10) and the joint clamp (20) are bolted, and the shaped rail (10) comprises:

the first connecting section (11) is in a rail shape of a 50kg/m steel rail, and is butted with the 50kg/m steel rail (200);

the second connecting section (13) is in a rail shape of an 80R steel rail, and is butted with the 80R steel rail (300);

a transition section (12), wherein one end of the transition section (12) is connected with the first connecting section (11), the shape of the end surface of the transition section (12) connected with the first connecting section (11) is matched with the shape of the cross section of the 50kg/m steel rail (200), the other end of the transition section (12) is connected with the second connecting section (13), and the shape of the end surface of the transition section (12) connected with the second connecting section (13) is matched with the shape of the cross section of the 80R steel rail (300);

wherein the top surface of the first connection section (11), the top surface of the transition section (12) and the top surface of the second connection section (13) are flush; the end face of the rail head (101C) of the first connecting section (11) facing the working edge, the end face of the rail head (101D) of the transition section (12) facing the working edge and the end face of the rail head (101E) of the second connecting section (13) facing the working edge are flush.

3. The structure according to claim 2, wherein the first rail is connected to the second rail,

the length of the transition section (12) is in the range of 140mm to 180 mm; and/or

The length of the second connecting section (13) is in the range of 200mm to 1050 mm.

4. The first rail-to-second rail connecting structure according to claim 2 or 3,

the end face of one side, facing the special-shaped steel rail (10), of the joint clamping plate (20) comprises an upper inclined surface (201), a mounting surface (202) and a lower inclined surface (203) which are connected;

the upper inclined surface (201) is connected with railheads (101C, 101E) of the special-shaped steel rail (10), the lower inclined surface (203) is connected with railbottoms (103C, 103E) of the special-shaped steel rail (10), and the mounting surface (202) protrudes towards railflanks (102C, 102E) of the special-shaped steel rail (10).

5. The structure according to claim 4, wherein the first rail is connected to the second rail,

a plurality of round holes (204) and a plurality of waist holes (205) are formed in the joint clamping plate (20), and the total number of the round holes (204) and the waist holes (205) is even;

the round holes (204) and the waist holes (205) are arranged along the extension direction of the joint clamping plate (20) at intervals in a staggered manner;

a plurality of through holes (104) corresponding to the round holes (204) and the waist holes (205) are formed in the rail waists (102C, 102E) of the special-shaped steel rail (10);

the joint clamping plate (20) is arranged at the rail web position of the special-shaped steel rail (10), bolts (31) penetrate through the through holes (104) and the round holes (204) which are correspondingly arranged, and bolts (31) penetrate through the through holes (104) and the waist holes (205) which are correspondingly arranged.

6. The first rail-to-second rail connecting structure according to claim 2 or 3,

the number of the joint clamping plates (20) is four, and the four joint clamping plates (20) are respectively two first clamping plates (21) and two second clamping plates (22);

the two first clamping plates (21) are respectively arranged on the left side and the right side of the special-shaped steel rail (10) and are in bolt connection with the first connecting section (11) of the special-shaped steel rail (10);

the two second clamping plates (22) are respectively arranged on the left side and the right side of the special-shaped steel rail (10) and are in bolt connection with the second connecting sections (13) of the special-shaped steel rail (10).

7. The connection structure of a first rail to a second rail according to claim 1, characterized in that said profiled joint (100) comprises a first profiled clamp (40) and a second profiled clamp (50);

one end of the 50kg/m steel rail (200) is connected with one end of the 80R steel rail (300);

the first special-shaped clamping plate (40) and the second special-shaped clamping plate (50) are respectively arranged at the left side and the right side of the 50kg/m steel rail (200);

the first special-shaped clamping plate (40) is arranged on one side of the working edge of the 50kg/m steel rail (200), one end of the first special-shaped clamping plate (40) is fixedly connected with the 50kg/m steel rail (200), and the other end of the first special-shaped clamping plate (40) is fixedly connected with the 80R steel rail (300);

the second special-shaped clamping plate (50) is arranged on one side of the non-working edge of the 50kg/m steel rail (200), one end of the second special-shaped clamping plate (50) is fixedly connected with the 50kg/m steel rail (200), and the other end of the second special-shaped clamping plate (50) is fixedly connected with the 80R steel rail (300).

8. The structure according to claim 7, wherein the first rail is connected to the second rail,

the first profiled splint (40) comprising:

a first connection portion (41) bolted to the 50kg/m rail (200);

a second connection part (42) bolted to the 80R rail (300), the first connection part (41) having a height greater than that of the second connection part (42);

the two ends of the first transition part (43) are respectively connected with the first connecting part (41) and the second connecting part (42), the first transition part (43) comprises a first slope surface (44), the first slope surface (44) is positioned at the connecting part of the 50kg/m steel rail (200) and the 80R steel rail (300), and the end surfaces of the first connecting part (41), the second connecting part (42) and the first transition part (43) on the side departing from the 50kg/m steel rail (200) are flush;

the second profiled splint (50) comprising:

a third connection part (51) which is connected with the 50kg/m steel rail (200) through bolts;

a fourth connection part (52) bolted to the 80R rail (300), the fourth connection part (52) having a thickness greater than that of the third connection part (51); the height of the third connecting part (51) is greater than that of the fourth connecting part (52);

the two ends of the second transition part (53) are respectively connected with the third connecting part (51) and the fourth connecting part (52), the second transition part (53) comprises a second slope surface (54), the second slope surface (54) is positioned at the connecting part of the 50kg/m steel rail (200) and the 80R steel rail (300), and the end surfaces of the third connecting part (51), the fourth connecting part (52) and the second transition part (53) on the side departing from the 50kg/m steel rail (200) are flush;

wherein the thickness is the distance from the non-working edge of the 50kg/m steel rail (200) to the working edge of the 50kg/m steel rail (200) in the direction; the height is a distance from the rail head (101A) of the 50kg/m rail (200) to the rail bottom (103A) of the 50kg/m rail (200).

9. The structure according to claim 8, wherein the first rail is connected to the second rail,

the difference in thickness between the third connecting portion (51) and the fourth connecting portion (52) is in the range of 6.5mm to 7.5 mm.

10. The structure according to claim 8, wherein the first rail is connected to the second rail,

the first connecting part (41) is provided with 3 bolt holes (60); 2 bolt holes (60) are formed in the second connecting part (42);

the third connecting part (51) is provided with 3 bolt holes (60); 2 bolt holes (60) are formed in the fourth connecting part (52);

the 3 bolt holes (60) on the first connecting part (41) and the 3 bolt holes (60) on the third connecting part (51) are arranged in a one-to-one correspondence mode, and the first connecting part (41), the 50kg/m steel rail (200) and the third connecting part (51) are connected through bolts;

the 2 bolt holes (60) on the second connecting portion and the 2 bolt holes (60) on the fourth connecting portion are arranged in a one-to-one correspondence mode, and the second connecting portion (42), the 80R steel rail (300) and the fourth connecting portion (52) are connected through bolts.

Technical Field

The invention relates to the technical field of railways, in particular to a connecting structure of a first steel rail and a second steel rail.

Background

At present, the existing railways in China are paved by adopting Chinese standard steel rails, and direct connection cannot be realized for two steel rails with greatly different rail type end surfaces.

Disclosure of Invention

In order to improve at least one of the above technical problems, an object of the present invention is to provide a connection structure of a first rail and a second rail.

In order to achieve the above object, an embodiment of the present invention provides a connection structure of a first rail and a second rail, including: the first steel rail is a 50kg/m steel rail; the second steel rail is an 80R steel rail; one end of the special-shaped joint is connected with the 50kg/m steel rail, the other end of the special-shaped joint is connected with the 80R steel rail, and the 50kg/m steel rail is fixedly connected with the 80R steel rail through the special-shaped joint; the top surface of the 50kg/m steel rail is flush with the top surface of the 80R steel rail, and the end surface, facing the working edge, of the rail head of the 50kg/m steel rail is flush with the end surface, facing the working edge, of the rail head of the 80R steel rail.

The connecting structure of the first steel rail and the second steel rail provided by the embodiment comprises the first steel rail, the second steel rail and the special-shaped joint, wherein the special-shaped joint is used for connecting the 50kg/m steel rail and the 80R steel rail so as to solve the problem that the size difference of the end faces of the rail shapes of the two steel rails of the 50kg/m steel rail and the 80R steel rail is large.

Meanwhile, the top surface of the 50kg/m steel rail and the top surface of the 80R steel rail are arranged to be flush, the end surface of the 50kg/m steel rail, which is positioned on one side of the working edge, and the end surface of the 80R steel rail, which is positioned on one side of the working edge, are flush, so that the smoothness of the special-shaped steel rail is ensured, the smoothness and the safety of a train passing through the 50kg/m steel rail and the 80R steel rail are further ensured, the stability and the safety of the train during passing can be ensured, the connection mode is simple, the operation is convenient, and the use value and the economic value are extremely high.

In addition, the connection structure of the first rail and the second rail in the above embodiment provided by the present invention may further have the following additional technical features:

in the above embodiment, the special-shaped joint includes a special-shaped steel rail and a joint clamp, the special-shaped steel rail and the joint clamp are bolted, and the special-shaped steel rail includes: the first connecting section is in a rail shape of a 50kg/m steel rail and is butted with the 50kg/m steel rail; the second connecting section is in a rail shape of an 80R steel rail and is in butt joint with the 80R steel rail; one end of the transition section is connected with the first connecting section, the shape of the end face of the transition section connected with the first connecting section is matched with the shape of the cross section of the 50kg/m steel rail, the other end of the transition section is connected with the second connecting section, and the shape of the end face of the transition section connected with the second connecting section is matched with the shape of the cross section of the 80R steel rail; wherein a top surface of the first connection section, a top surface of the transition section, and a top surface of the second connection section are flush; the end face of the rail head of the first connecting section facing the working edge, the end face of the rail head of the transition section facing the working edge and the end face of the rail head of the second connecting section facing the working edge are flush.

In the above embodiment, the length of the transition section is in the range of 140mm to 180 mm; and/or the length of the second connecting section is in the range of 200mm to 1050 mm.

In any of the above embodiments, the end surface of the joint clamping plate facing the profiled rail comprises an upper inclined surface, a mounting surface and a lower inclined surface which are connected with each other; the upper inclined plane is connected with the rail head of the special-shaped steel rail, the lower inclined plane is connected with the rail bottom of the special-shaped steel rail, and the mounting surface protrudes to the rail web of the special-shaped steel rail.

Furthermore, the mounting surface is a plane or a curved surface.

In the above embodiment, the joint splint is provided with a plurality of round holes and a plurality of waist holes, and the total number of the round holes and the waist holes is an even number; the round holes and the waist holes are arranged in a staggered and spaced mode along the extending direction of the joint clamping plate; a plurality of through holes corresponding to the round holes and the waist holes respectively are formed in the rail web of the special-shaped steel rail; the joint clamping plate is arranged at the rail web position of the special-shaped steel rail, bolts penetrate through the through holes and the round holes which are correspondingly arranged, and bolts penetrate through the through holes and the waist holes which are correspondingly arranged.

In any of the above embodiments, the number of the joint clamping plates is four, and the four joint clamping plates are respectively two first clamping plates and two second clamping plates; the two first clamping plates are respectively arranged on the left side and the right side of the special-shaped steel rail and are connected with the first connecting section of the special-shaped steel rail through bolts; the two second clamping plates are respectively arranged on the left side and the right side of the special-shaped steel rail and are connected with the second connecting section of the special-shaped steel rail through bolts.

In the above embodiment, the profiled joint comprises a first profiled clamp and a second profiled clamp; one end of the 50kg/m steel rail is connected with one end of the 80R steel rail; the first special-shaped clamping plate and the second special-shaped clamping plate are respectively arranged on the left side and the right side of the 50kg/m steel rail; the first special-shaped clamping plate is arranged on one side of the working edge of the 50kg/m steel rail, one end of the first special-shaped clamping plate is fixedly connected with the 50kg/m steel rail, and the other end of the first special-shaped clamping plate is fixedly connected with the 80R steel rail; the second special-shaped clamping plate is arranged on one side of the non-working edge of the 50kg/m steel rail, one end of the second special-shaped clamping plate is fixedly connected with the 50kg/m steel rail, and the other end of the second special-shaped clamping plate is fixedly connected with the 80R steel rail.

In any of the above embodiments, the first profiled cleat comprises: the first connecting part is connected with the 50kg/m steel rail through a bolt; the second connecting part is in bolted connection with the 80R steel rail, and the height of the first connecting part is greater than that of the second connecting part; the two ends of the first transition part are respectively connected with the first connecting part and the second connecting part, the first transition part comprises a first slope surface, the first slope surface is positioned at the connecting part of the 50kg/m steel rail and the 80R steel rail, and the end surfaces of the first connecting part, the second connecting part and the first transition part, which are deviated from one side of 50kg/m, are flush; the second profiled cleat comprises: the third connecting part is connected with the 50kg/m steel rail through bolts; the fourth connecting part is in bolted connection with the 80R steel rail, and the thickness of the fourth connecting part is greater than that of the third connecting part; the height of the third connecting part is greater than that of the fourth connecting part; the two ends of the second transition part are respectively connected with the third connecting part and the fourth connecting part, the second transition part comprises a second slope surface, the second slope surface is positioned at the connecting part of the 50kg/m steel rail and the 80R steel rail, and the end surfaces of the third connecting part, the fourth connecting part and the second transition part, which are deviated from one side of 50kg/m, are flush; wherein the thickness is the distance from the non-working edge of the 50kg/m steel rail to the working edge of the 50kg/m steel rail in the direction; the height is the distance from the rail head of the 50kg/m steel rail to the rail bottom of the 50kg/m steel rail.

In the above embodiment, the difference in thickness between the third connecting portion and the fourth connecting portion is in the range of 6.5mm to 7.5 mm.

In any of the above embodiments, the first connecting portion has 3 bolt holes; 2 bolt holes are formed in the second connecting part; the third connecting part is provided with 3 bolt holes; 2 bolt holes are formed in the fourth connecting part; bolts penetrate through bolt holes in the first connecting part and bolt holes in the third connecting part which are arranged oppositely, and the first connecting part, the 50kg/m steel rail and the third connecting part are connected through bolts; bolts penetrate through bolt holes in the second connecting portion and bolt holes in the fourth connecting portion which are arranged oppositely, and the second connecting portion, the 80R steel rail and the fourth connecting portion are connected through bolts.

In any of the above embodiments, the end face of the first connection portion on the side facing the working edge of the 50kg/m rail includes an upper inclined surface, a mounting surface and a lower inclined surface which are connected; the upper inclined surface of the first connecting part is in contact fit with the rail head of the 50kg/m steel rail, the lower inclined surface of the first connecting part is in contact fit with the rail bottom of the 50kg/m steel rail, and the mounting surface of the first connecting part protrudes to the rail web of the 50kg/m steel rail. The end face of one side, facing the working edge of the 80R steel rail, of the second connecting part comprises an upper inclined face, a mounting face and a lower inclined face which are connected; the upper inclined plane of the second connecting part is in contact fit with the rail head of the 80R steel rail, the lower inclined plane of the second connecting part is in contact fit with the rail bottom of the 80R steel rail, and the mounting surface of the second connecting part protrudes to the rail web of the 80R steel rail. The end face of one side of the third connecting part facing the non-working edge of the 50kg/m steel rail comprises an upper inclined surface, a mounting surface and a lower inclined surface which are connected; the upper inclined plane of the third connecting part is in contact fit with the rail head of the 50kg/m steel rail, the lower inclined plane of the third connecting part is in contact fit with the rail bottom of the 50kg/m steel rail, and the mounting surface of the third connecting part protrudes to the rail web of the 50kg/m steel rail. The end face of one side, facing the non-working edge of the 80R steel rail, of the fourth connecting part comprises an upper inclined surface, a mounting surface and a lower inclined surface which are connected; the upper inclined plane of the fourth connecting part is in contact fit with the rail head of the 80R steel rail, the lower inclined plane of the fourth connecting part is in contact fit with the rail bottom of the 80R steel rail, and the mounting surface of the fourth connecting part protrudes to the rail web of the 80R steel rail.

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

Drawings

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

FIG. 1 is a schematic structural view of a connection structure of a first rail to a second rail in some embodiments of the invention;

FIG. 2 is a schematic view of the configuration of the profiled rail and the splice holder plate according to some embodiments of the invention;

FIG. 3 is a schematic structural view of a profiled rail according to some embodiments of the present invention;

FIG. 4 is a top view of the profiled rail shown in FIG. 3;

FIG. 5 is a front view of the profiled rail shown in FIG. 3;

FIG. 6 is a side view of the profiled rail shown in FIG. 3;

FIG. 7 is a schematic view of the configuration of the profiled rail and the splice holder plate according to some embodiments of the invention;

FIG. 8 is a schematic view of the first/second clamp of some embodiments of the present invention;

FIG. 9 is a schematic perspective view of a first splint/second splint according to some embodiments of the present invention;

FIG. 10 is a schematic perspective view of a first splint/second splint according to some embodiments of the invention;

FIG. 11 is a schematic structural view of a connection of a first rail to a second rail in some embodiments of the invention;

FIG. 12 is a side view of a connection of a first rail to a second rail in some embodiments of the invention;

FIG. 13 is a perspective view of a first profiled cleat in some embodiments of the invention;

FIG. 14 is a side elevational view of the first profiled cleat of FIG. 13;

FIG. 15 is a perspective view of a second shaped cleat according to some embodiments of the invention;

FIG. 16 is a side elevational view of the first profiled cleat of FIG. 15;

FIG. 17 is a schematic structural view of a 50kg/m rail according to some embodiments of the present invention;

FIG. 18 is a schematic structural view of an 80R rail according to some embodiments of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 18 is:

10 special-shaped steel rails; 11 a first connection section; 12 a transition section; 13 a second connection section; 20 splice holders; 21 a first clamp plate; 22 a second splint; 201 an upper inclined plane; 202 mounting surface; 203 lower inclined plane; 204 circular holes; 205 waist holes; 31 a bolt; 32 nuts; 33 a flat washer; 40 a first profiled splint; 41 a first connection portion; 42 a second connecting portion; 43 a first transition portion; 44 a first ramp surface; 50 second special-shaped splints; 51 a third connecting portion; 52 a fourth connection portion; 53 a second transition; 54 a second ramp surface; 60 bolt holes; 101A rail head; 101B railhead; 101C railhead; 101D railhead; 101E railhead; 102A rail web; 102B rail waist; 102C rail web; 102E rail web; 103A rail bottom; 103B rail bottom; 103C rail bottom; 103E rail bottom; 104 through holes; 100 special-shaped joints; 20050 kg/m rail; 30080R Steel Rail.

Detailed Description

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

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

A connection structure of a first rail and a second rail according to some embodiments of the present invention will be described with reference to fig. 1 to 18.

Some embodiments of the present application provide a connection structure of a first rail and a second rail.