CN111705556A - Method for connecting 60kg/m steel rail and 80R steel rail - Google Patents
Method for connecting 60kg/m steel rail and 80R steel rail Download PDFInfo
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- CN111705556A CN111705556A CN202010611403.5A CN202010611403A CN111705556A CN 111705556 A CN111705556 A CN 111705556A CN 202010611403 A CN202010611403 A CN 202010611403A CN 111705556 A CN111705556 A CN 111705556A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 313
- 239000010959 steel Substances 0.000 title claims abstract description 313
- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000007704 transition Effects 0.000 claims abstract description 55
- 210000001624 hip Anatomy 0.000 claims description 40
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B11/00—Rail joints
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B11/00—Rail joints
- E01B11/02—Dismountable rail joints
- E01B11/16—Fishplates for joining rails of different sections
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B11/00—Rail joints
- E01B11/02—Dismountable rail joints
- E01B11/36—Fastening means for fishplates
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- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention provides a method for connecting a 60kg/m steel rail and an 80R steel rail. The connection method comprises the following steps: arranging a special-shaped steel rail, wherein one end of the special-shaped steel rail is arranged into a first connecting section in the rail shape of a 60kg/m steel rail, and the other end of the special-shaped steel rail is arranged into a second connecting section in the rail shape of an 80R steel rail; setting the middle part of the special-shaped steel rail as a transition section for transitioning from the rail shape of the 60kg/m steel rail to the rail shape of the 80R steel rail; butting the first connecting section with a 60kg/m steel rail; butting the second connecting section with an 80R steel rail; mounting a joint splint on the special-shaped steel rail; the special-shaped steel rail and the 60kg/m steel rail as well as the special-shaped steel rail and the 80R steel rail are fixed by using the joint clamping plates. According to the connecting method provided by the application, the 60kg/m steel rail and the 80R steel rail are connected by arranging the special-shaped steel rail and the joint clamping plates, the connecting structure is simple, the operation is convenient, and the use value and the economic value are extremely high.
Description
Technical Field
The invention relates to the technical field of railways, in particular to a method for connecting a 60kg/m steel rail and an 80R steel rail.
Background
At present, the existing railways in China are paved by adopting Chinese standard steel rails, and the rail type end faces of the 60kg/m steel rail and the British standard 80R steel rail are greatly different and cannot be directly connected. At present, the precedent that the 60kg/m steel rail and the railway line are connected by adopting the British standard 80R steel rail in China does not exist at home and abroad.
Disclosure of Invention
In order to solve at least one of the above problems, an object of the present invention is to provide a method for joining a 60kg/m rail and an 80R rail.
In order to achieve the above object, an embodiment of the present invention provides a method for connecting a 60kg/m rail and an 80R rail, including: arranging a special-shaped steel rail, wherein one end of the special-shaped steel rail is arranged into a first connecting section in a rail shape of a 60kg/m steel rail, and the other end of the special-shaped steel rail is arranged into a second connecting section in a rail shape of an 80R steel rail; arranging a transition section of the special-shaped steel rail, and connecting the first connecting section and the second connecting section through the transition section to ensure that the special-shaped steel rail is transited from the rail shape of the 60kg/m steel rail to the rail shape of the 80R steel rail; butting the first connecting section with the 60kg/m steel rail; butting the second connecting section with the 80R steel rail; mounting a joint splint on the special-shaped steel rail; and fixing the special-shaped steel rail and the 60kg/m steel rail as well as the special-shaped steel rail and the 80R steel rail by using joint clamping plates.
According to the method for connecting the 60kg/m steel rail and the 80R steel rail, the special-shaped steel rail and the joint clamp plate are arranged, one end of the special-shaped steel rail is set to be the rail shape of the 60kg/m steel rail, the first connecting section is formed, the end face of the first connecting section is matched and adapted to the shape of the cross section (the cross section along the length direction of the 60kg/m steel rail) of the 60kg/m steel rail, so that the special-shaped steel rail is in butt joint with the 60kg/m steel rail, meanwhile, the other end of the special-shaped steel rail is set to be the rail shape of the 80R steel rail, the second connecting section is formed, the end face of the second connecting section is matched and adapted to the shape of the cross section (the cross section along the length direction of the 80R steel rail) of the 80R steel rail, and therefore the butt. Thus, the 60kg/m steel rail and the 80R steel rail are connected by arranging the special-shaped steel rail, so that the problem that the sizes of rail-shaped end surfaces of the 60kg/m steel rail and the 80R steel rail are greatly different is solved. In addition, the special-shaped steel rail and the 60kg/m steel rail are fixed through the joint clamping plates, and the special-shaped steel rail and the 80R steel rail are fixed, so that the stability and firmness of connection between the 60kg/m steel rail and the 80R steel rail are improved, and the use reliability of the connection between the 60kg/m steel rail and the 80R steel rail is improved.
In addition, the method for connecting the 60kg/m steel rail and the 80R steel rail in the embodiment provided by the invention can also have the following additional technical characteristics:
in the above embodiment, the step of providing the transition section of the deformed steel rail, and connecting the first connecting section and the second connecting section through the transition section to transition the deformed steel rail from the rail shape of the 60kg/m steel rail to the rail shape of the 80R steel rail includes: setting the shape of the end surface of the transition section connected with the first connecting section to be the shape of the cross section of the 60kg/m steel rail; setting the shape of the end surface of the transition section connected with the second connecting section to be the shape of the cross section of the 80R steel rail; and arranging the top surface of the first connecting section, the top surface of the transition section and the top surface of the second connecting section in a flush manner.
In any of the above embodiments, the step of providing a transition section of the deformed steel rail, and connecting the first connecting section and the second connecting section through the transition section to transition the deformed steel rail from the rail shape of the 60kg/m steel rail to the rail shape of the 80R steel rail further includes: arranging the end surface of the rail head of the first connecting section facing the working edge and the end surface of the rail head of the transition section facing the working edge in a flush manner; and arranging the end surface of the rail head of the transition section facing the working edge to be flush with the end surface of the rail head of the second connecting section facing the working edge.
In any of the above embodiments, the length of the transition section is in the range of 140mm to 180 mm.
In any of the above embodiments, the second connector segment has a length in the range of 200mm to 1050 mm.
In any of the above embodiments, the first connection section, the transition section, and the second connection section are integrally formed.
In any of the above embodiments, the end surface of the joint splint facing the web side of the special-shaped steel rail comprises an upper inclined surface, a mounting surface and a lower inclined surface which are connected with each other; the method for installing the joint clamping plate on the special-shaped steel rail comprises the following steps: the mounting surface of the joint clamping plate faces the rail web direction of the special-shaped steel rail, and the joint clamping plate is arranged in a concave structure surrounded by the rail head of the special-shaped steel rail, the rail web of the special-shaped steel rail and the rail bottom of the special-shaped steel rail; connecting the upper inclined plane of the joint clamping plate with the rail head of the special-shaped steel rail; and connecting the lower inclined plane of the joint clamping plate with the rail bottom of the special-shaped steel rail.
In any of the above embodiments, the step of mounting the splice plate on the profiled rail comprises: arranging a joint clamping plate, and arranging a plurality of round holes and a plurality of waist holes on the joint clamping plate, wherein the total number of the round holes and the waist holes is an even number; arranging the round holes and the waist holes at intervals along the extension direction of the joint clamping plate; the waist holes are arranged between two adjacent round holes, and the round holes are arranged between two adjacent waist holes; a plurality of bolt holes which are respectively opposite to the round holes and the waist holes are formed in the rail web of the special-shaped steel rail; the step of installing the adapter clip on the profiled rail comprises the following steps: and bolts penetrate through the bolt holes and the round holes which are oppositely arranged, and penetrate through the bolt holes and the waist holes which are oppositely arranged, so that the joint clamping plates are connected with the special-shaped steel rail through the bolts.
In the above embodiment, the step of forming a plurality of round holes and a plurality of waist holes on the joint splint includes: two round holes are formed in the joint clamping plate; two waist holes are arranged on the joint clamping plate.
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 step of fixing the shaped steel rail and the 60kg/m steel rail and the shaped steel rail and the 80R steel rail by using the joint clamping plates comprises the following steps: a first clamping plate is respectively arranged on the left side and the right side of the special-shaped steel rail; fixedly connecting one end of the first clamping plate with the first connecting section through a bolt; fixedly connecting the other end of the first clamping plate with the 60kg/m steel rail through a bolt; a second clamping plate is respectively arranged on the left side and the right side of the special-shaped steel rail; one end of the second clamping plate is fixedly connected with the second connecting section through a bolt; and fixedly connecting the other end of the second clamping plate with the 80R steel rail through a bolt.
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 block flow diagram of a method of joining a 60kg/m rail to an 80R rail according to some embodiments of the invention;
FIG. 2 is a block flow diagram of step S20 in some embodiments of the invention;
FIG. 3 is a block flow diagram of step S20 in some embodiments of the invention;
FIG. 4 is a block flow diagram of a method of joining a 60kg/m rail to an 80R rail according to some embodiments of the invention;
FIG. 5 is a block flow diagram of step S60 in some embodiments of the invention;
FIG. 6 is a block flow diagram of step S80 in some embodiments of the invention;
FIG. 7 is a schematic structural view of a profiled rail according to some embodiments of the present invention;
FIG. 8 is a side elevational view of the profiled rail shown in FIG. 7;
FIG. 9 is a top view of the profiled rail shown in FIG. 7;
FIG. 10 is a front view of the profiled rail shown in FIG. 7;
FIG. 11 is a perspective view of a splice holder plate in accordance with certain embodiments of the invention;
FIG. 12 is a schematic view of the attachment of the splice holder plate to a profiled rail in accordance with certain embodiments of the present invention;
FIG. 13 is a schematic view of the first/second clamp of some embodiments of the present invention;
FIG. 14 is a schematic structural view of a 60kg/m rail in some embodiments of the invention;
FIG. 15 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 part names in fig. 7 to 15 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; 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 bolt holes; 20060 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.
The method of joining a 60kg/m rail to an 80R rail according to some embodiments of the invention is described below with reference to fig. 1 to 15.
Some embodiments of the present application provide a method of joining a 60kg/m rail to an 80R rail.
Example 1
As shown in fig. 1, the method for connecting a 60kg/m rail and an 80R rail provided in this embodiment includes: step S10, setting a special-shaped steel rail, wherein one end of the special-shaped steel rail is set to be a first connecting section in the rail shape of the 60kg/m steel rail, and the other end of the special-shaped steel rail is set to be a second connecting section in the rail shape of the 80R steel rail; step S20, setting a transition section of the special-shaped steel rail, and connecting the first connecting section and the second connecting section through the transition section to enable the special-shaped steel rail to be transited from the rail shape of the 60kg/m steel rail to the rail shape of the 80R steel rail; step S30, butting the first connecting section with a 60kg/m steel rail; step S40, butting the second connecting section with the 80R steel rail; step S60, mounting a joint splint on the special-shaped steel rail; and step S80, fixing the special-shaped steel rail and the 60kg/m steel rail and fixing the special-shaped steel rail and the 80R steel rail by using the joint clamping plates.
The steps S30 and S40 are parallel steps, and have no execution sequence.
According to the method for connecting the 60kg/m steel rail and the 80R steel rail, the special-shaped steel rail and the joint clamping plate are arranged, one end of the special-shaped steel rail is set to be in a rail shape of the 60kg/m steel rail, the first connecting section is formed, the end face of the first connecting section is matched and matched with the shape of the cross section (the cross section along the length direction of the 60kg/m steel rail) of the 60kg/m steel rail, and therefore butt joint of the special-shaped steel rail and the 60kg/m steel rail is achieved. Meanwhile, the other end of the special-shaped steel rail is designed into a rail shape of the 80R steel rail to form a second connecting section, so that the end face of the second connecting section is matched and matched with the shape of the cross section (the cross section along the length direction of the 80R steel rail) of the 80R steel rail, and the butt joint of the special-shaped steel rail and the 80R steel rail is realized.
Thus, the 60kg/m steel rail and the 80R steel rail are connected by arranging the special-shaped steel rail, so that the problem that the sizes of rail-shaped end surfaces of the 60kg/m steel rail and the 80R steel rail are greatly different is solved. In addition, the special-shaped steel rail and the 60kg/m steel rail are fixed through the joint clamping plates, and the special-shaped steel rail and the 80R steel rail are fixed, so that the stability and firmness of connection between the 60kg/m steel rail and the 80R steel rail are improved, and the use reliability of the connection between the 60kg/m steel rail and the 80R steel rail is improved.
The shape of the deformed rail is shown in fig. 7 to 10.
Example 2
On the basis of embodiment 1, as shown in fig. 2, the method for connecting the 60kg/m steel rail and the 80R steel rail provided by this embodiment includes: step S21, setting the shape of the end surface of the transition section connected with the first connecting section as the shape of the cross section of the 60kg/m steel rail; step S22, setting the shape of the end surface of the transition section connected with the second connecting section as the shape of the cross section of the 80R steel rail; and step S23, arranging the top surface of the first connecting section, the top surface of the transition section and the top surface of the first connecting section in a flush mode.
The step S20 specifically includes step S21, step S22, and step S23. Step S21 and step S22 are parallel steps, and have no execution order.
In the embodiment, the shapes of the two ends of the transition section are arranged, so that the transition section is transited from the rail shape of the 60kg/m steel rail to the rail shape of the 80R steel rail, the transition section can be matched with the first connecting section and the second connecting section, and the steel rails with the end faces of the two rail shapes of the 60kg/m steel rail and the 80R steel rail, which have large size difference, can be connected. The top surfaces of the first connecting section, the transition section and the second connecting section are arranged in a flush mode, so that smooth and reliable special-shaped steel rails are formed, the risk of dislocation of the first connecting section and the second connecting section is reduced, the risk of dislocation of the 60kg/m steel rail and the 80R steel rail is further reduced, and the safety of the train running through the 60kg/m steel rail and the 80R steel rail is improved.
Further, as shown in fig. 7, the first connection section 11, the transition section 12, and the second connection section 13 are integrally formed.
By integrally forming the first connecting section 11, the transition section 12 and the second connecting section 13, the overall rigidity of the special-shaped steel rail 10 can be improved, and the use stability and the use reliability of the connection between the 60kg/m steel rail 200 and the 80R steel rail 300 can be improved.
In some embodiments, as shown in fig. 3, the method for connecting the 60kg/m steel rail and the 80R steel rail provided in this embodiment includes: step S21, setting the shape of the end surface of the transition section connected with the first connecting section as the shape of the cross section of the 60kg/m steel rail; step S22, setting the shape of the end surface of the transition section connected with the second connecting section as the shape of the cross section of the 80R steel rail; step S23, arranging the top surface of the first connecting section, the top surface of the transition section and the top surface of the first connecting section in a flush manner; step S24, arranging the end surface of the rail head of the first connecting section facing the working edge and the end surface of the rail head of the transition section facing the working edge in a flush manner; and step S25, arranging the end surface of the rail head of the transition section facing the working edge to be flush with the end surface of the rail head of the second connecting section facing the working edge.
The step S20 specifically includes step S21, step S22, step S23, step S24, and step S25. Step S23, step S24, and step S25 are parallel steps, and have no execution order.
As shown in fig. 8 and 10, the rail head (including 101C, 101D, 101E) of the profiled rail 10 is flush with the end surface facing the same side, wherein the facing side is the working edge of the rail (i.e. the working edge of the profiled rail 10, the working edge of the 60kg/m rail, and the working edge of the R80 rail). The working side is the left side in fig. 7 to 9, and the non-working side is the right side in fig. 7 to 9. Thus, a train running on the R80 rail can also run on the deformed rail 10. Meanwhile, the end faces, facing the working edge, of the rail heads (including 101C, 101D and 101E) of the special-shaped steel rail 10 are arranged to be flush, when the special-shaped steel rail 10 is connected with the 60kg/m steel rail and the 80R steel rail, the end faces, facing the working edge, of the rail heads (including 101C, 101D and 101E) of the special-shaped steel rail 10, the end face, facing the working edge, of the rail head 101A of the 60kg/m steel rail and the end face, facing the working edge, of the rail head 101B of the 80R steel rail are arranged to be flush, so that the special-shaped steel rail 10 is connected with the 60kg/m steel rail and the 80R steel rail, and a smooth and reliable. Furthermore, the end faces, facing the working edge, of the rail heads (including 101C, 101D and 101E) of the special-shaped steel rails 10 are flush, so that the risk of dislocation of the 60kg/m steel rails and the 80R steel rails is reduced, the safety is improved, and the installation on site is facilitated.
Example 3
On the basis of example 1 or example 2, as shown in fig. 9, the length L1 of the transition section 12 is in the range of 140mm to 180 mm.
The profiled rail 10 provided in this embodiment reasonably sets the length L1 of the transition section 12. The length of the L1 is set to be larger than 140mm, so that the transition section 12 has enough length distance to enable the rail shape of the 60kg/m steel rail to be smoothly transited to the rail shape of the 80R steel rail, meanwhile, the length of the L1 is set to be smaller than 180mm, the length of the transition section 12 is controlled, the overall length of the special-shaped steel rail 10 is controlled, the cost is reduced, the deformation amount of the special-shaped steel rail 10 in the expansion and contraction process can be reduced, and the use stability of the special-shaped steel rail 10 is improved.
On the basis of embodiment 1 or embodiment 2, as shown in fig. 9, the length L2 of the second connection section 13 is in the range of 200mm to 1050 mm.
The profiled rail 10 provided in this embodiment reasonably sets the length L2 of the second connector section 13. Wherein, the length through setting up L2 is greater than 200mm for second linkage segment 13 has sufficient length and connects splint 20 bolted connection, and through the length of the connection of second linkage segment 13 and joint splint 20 that increases, can improve the fastness of second linkage segment 13 and joint splint 20 connection. Meanwhile, the length of the L2 is smaller than 1050mm, the length of a production die of the special-shaped steel rail 10 can be better matched, in addition, the overall length of the special-shaped steel rail 10 is controlled by controlling the length of the second connecting section 13, the cost can be reduced, the deformation amount of the special-shaped steel rail 10 in the expansion and contraction process can be reduced, and the use stability of the special-shaped steel rail 10 is improved.
Example 4
On the basis of any of the above embodiments, as shown in fig. 4, the method for connecting the 60kg/m steel rail and the 80R steel rail provided by this embodiment includes: step S51, arranging a joint clamping plate, and arranging a plurality of round holes and a plurality of waist holes on the joint clamping plate, wherein the total number of the round holes and the waist holes is an even number; step S52, arranging a plurality of round holes and a plurality of waist holes at intervals along the extension direction of the joint clamping plate; the waist holes are arranged between two adjacent round holes, and the round holes are arranged between two adjacent waist holes; step S53, a plurality of bolt holes 104 which are respectively opposite to the round holes and the waist holes are arranged on the web of the special-shaped steel rail; step S60, mounting a joint splint on the special-shaped steel rail; and step S71, bolts are used for penetrating through the bolt holes 104 and the round holes which are oppositely arranged, and bolts are used for penetrating through the bolt holes 104 and the kidney holes which are oppositely arranged, so that the joint clamping plates and the special-shaped steel rails are connected through the bolts.
As shown in fig. 8 and 10, the present embodiment provides a circular hole 204 and a waist hole 205 on the rail web (including 102C and 102E) of the joint clip for the bolt connection of the joint clip 20 and the profiled rail 10. In addition, the waist holes 205 are arranged to be suitable for the influence of the deformation of the special-shaped steel rails 10, 80R steel rails 200 and 60kg/m steel rail 300 on the joint splint 20 under the influence of the train load and the temperature change, so that the impact force, the shearing force and the like acting on the joint splint 20 are reduced, and the service reliability and the service life of the joint splint 20 are improved. Meanwhile, the bolt is connected, so that the assembly and disassembly are simple and convenient, and the operation is convenient.
Further, as shown in fig. 11, the number of the circular holes is two; the number of the waist holes is two.
In the embodiment, by reasonably setting the number of the round holes 204 and the waist holes 205, the connection firmness of the special-shaped steel rail 10 and the joint clamping plate 20, the joint clamping plate 20 and the 80R steel rail, and the joint clamping plate 20 and the 60kg/m steel rail can be improved by increasing the number of the round holes 204 and the waist holes 205. In addition, the number of the round holes 204 and the waist holes 205 is controlled to avoid the influence of the excessive number of the round holes 204 and the waist holes 205 on the structural strength of the joint splint 20. Meanwhile, the overall length of the joint splint 20 can be controlled, controlling the production cost.
In other embodiments, the number of circular holes 204 is two; the number of the waist holes 205 is three.
In other embodiments, the number of circular apertures 204 is three; the number of the waist holes 205 is two.
In other embodiments, the number of circular apertures 204 is three; the number of the waist holes 205 is three.
Example 5
On the basis of any of the above embodiments, as shown in fig. 5, the method for connecting the 60kg/m steel rail and the 80R steel rail provided by this embodiment includes: step S61, the mounting surface of the joint clamping plate faces the rail web direction of the special-shaped steel rail, and the joint clamping plate is arranged in a concave structure surrounded by the rail head of the special-shaped steel rail, the rail web of the special-shaped steel rail and the rail bottom of the special-shaped steel rail; step S62, connecting the upper inclined plane of the joint clamping plate with the rail head of the special-shaped steel rail; and step S63, connecting the lower inclined plane of the joint clamping plate with the rail bottom of the special-shaped steel rail. As shown in fig. 8, 12 and 13, the end surface of the joint cleat 20 facing the rail web (including 102C and 102E) of the profiled rail 10 includes an upper inclined surface 201, a mounting surface 202 and a lower inclined surface 203 which are connected.
The step S60 specifically includes step S61, step S62, and step S63. Step S62 and step S63 are parallel steps, and have no execution order.
The splice holder 20 of this embodiment is different from the standard clips used for the 200 splice of the 60kg/m rail of the standard chinese rail and the 300 splice of the 80R rail of the uk rail. Specifically, the end surface of the joint cleat 20 on the side facing the web (including 102C, 102E) of the profiled rail 10 includes an upper slope surface 201, a mounting surface 202, and a lower slope surface 203, which are connected. The curved surface formed by the upper inclined surface 201, the mounting surface 202 and the lower inclined surface 203 is matched with the shape of the rail web (102C or 102E) of the special-shaped steel rail 10.
As shown in fig. 8, 10, 12 and 13, the joint clamp 20 is disposed in a recessed structure defined by the head 101E, the web 102E and the foot 103E of the profiled rail 10 toward one side of the profiled rail 10, and is connected to the head 101E of the profiled rail 10 by an upper inclined surface 201, and connected to the foot 103E of the profiled rail 10 by a lower inclined surface 203, so as to define the mounting position of the joint clamp 20, and protrudes toward the web 102E of the profiled rail 10 by the mounting surface 202. After the shaped rail 10 is connected to the 80R rail 300, the rail head 101B of the 80R rail 300 is connected to the upper inclined surface 201, and the rail foot 103E of the shaped rail 10 is connected to the lower inclined surface 203, and the shaped rail 10 and the 80R rail 300 are fixed to each other by bolts.
Similarly, the joint clamp 20 is disposed in a concave structure surrounded by the head 101C, the web 102C and the foot 103C of the shaped rail 10 on the side facing the shaped rail 10, and is connected to the head 101C of the shaped rail 10 through the upper inclined surface 201, and the lower inclined surface 203 is connected to the foot 103C of the shaped rail 10, so as to define the mounting position of the joint clamp 20, and is protruded toward the web 102C of the shaped rail 10 through the mounting surface 202. After the shaped rail 10 is connected to the 60kg/m rail 200, the rail head 101A of the 60kg/m rail 200 is connected to the upper inclined surface 201, and the rail foot 103A of the 60kg/m rail 200 is connected to the lower inclined surface 203, and the shaped rail 10 and the 60kg/m rail 200 are fixed to each other by bolting.
The shape of the joint splint 20 according to the present embodiment is different from the shapes of the grooves formed on the side of the standard splint for the joint of the chinese standard rail 60kg/m rail 200 and the standard splint for the joint of the uk 80R rail 300 facing the deformed rail 10, and the thickness of the joint splint 20 according to the present embodiment is larger at the position of the mounting surface 202. Wherein the thickness is in the left-right direction in fig. 7 to 13. By increasing the thickness of the joint splint 20, the structural strength of the joint splint 20 can be increased, the service life of the joint splint 20 can be prolonged, and the rigidity of weak stress parts such as the rail web (including 102C and 102E) of the special-shaped steel rail 10 can be enhanced. Further, the round hole 204 and the waist hole 205 are disposed at positions corresponding to the mounting surface 202, and the thickness of the joint splint 20 is set to increase the structural strength of the shaped steel rail 10 when the bolt is connected.
Example 6
On the basis of any of the above embodiments, as shown in fig. 6, the method for connecting the 60kg/m steel rail and the 80R steel rail provided by this embodiment includes: step S81, arranging a first clamping plate on each of the left side and the right side of the special-shaped steel rail; step S82, fixedly connecting one end of the first clamping plate with the first connecting section through a bolt; step S83, fixedly connecting the other end of the first clamping plate with a 60kg/m steel rail through a bolt; step S84, respectively arranging a second clamping plate on the left side and the right side of the special-shaped steel rail; step S85, fixedly connecting one end of the second clamping plate with the second connecting section through a bolt; and step S86, fixedly connecting the other end of the second clamping plate with the 80R steel rail through a bolt. Wherein, the quantity that connects the splint is four, and four joint splint are two first splint and two second splint respectively.
Wherein, step S80 specifically includes: step S81, step S82, step S83, step S84, step S85, and step S86. Step S81 and step S84 are parallel steps and have no execution order. Step S82 and step S83 are parallel steps, and have no execution order. Step S85 and step S86 are parallel steps, and have no execution order.
According to the connecting method provided by the embodiment, the first clamping plates are arranged at the connecting positions of the first connecting sections of the special-shaped steel rails and the 60kg/m steel rails from the directions of the left side and the right side of the special-shaped steel rails respectively, and the connection between the first clamping plates and the special-shaped steel rails and the connection between the first clamping plates and the 60kg/m steel rails are reinforced through bolts, so that the connection firmness between the special-shaped steel rails and the 60kg/m steel rails is improved. In addition, the width of the rail web position of the special-shaped steel rail is smaller than the width of the rail head and the rail bottom of the special-shaped steel rail, the width of the rail web position of the 60kg/m steel rail is smaller than the width of the rail head and the rail bottom of the special-shaped steel rail, and the two first clamping plates are arranged on the left side and the right side of the special-shaped steel rail and the 60kg/m steel rail, so that the structural strength of the special-shaped steel rail and the 60kg/m steel rail can be improved, and the. Similarly, the second clamping plates are respectively arranged at the connecting parts of the first connecting sections of the special-shaped steel rails and the 80R steel rails from the directions of the left side and the right side of the special-shaped steel rails, and the connection between the second clamping plates and the special-shaped steel rails and the connection between the second clamping plates and the 60kg/m steel rails are reinforced through bolts, so that the connection firmness between the special-shaped steel rails and the 80R steel rails is improved. In addition, the width of the rail web position of the special-shaped steel rail is smaller than the width of the rail head and the rail bottom of the special-shaped steel rail, the width of the rail web position of the 80R steel rail is smaller than the width of the rail head and the rail bottom of the special-shaped steel rail, and the two second clamping plates are arranged on the left side and the right side of the special-shaped steel rail and the 80R steel rail, so that the structural rigidity of the special-shaped steel rail and the 80R steel rail can be improved, and the.
Specifically, the number of the joint clamping plates 20 provided in this embodiment is four, two of which are the first clamping plates 21, and are used for connecting the profiled rail 10 with the 60kg/m rail 200, one end of the first clamping plate 21 is connected with the rail web 102C of the first connecting section 11 of the profiled rail 10 by means of a bolt, and the other end of the first clamping plate 21 is connected with the rail web 102A of the 60kg/m rail 200 by means of a bolt. Thus, the two first clamping plates 21 are fixed from the deformed rails 10 and the 60kg/m rail 200, and the stability of the connection between the deformed rails 10 and the 60kg/m rail 200 is improved. And the structural strength of the special-shaped steel rails 10 and the 60kg/m steel rail 200 is improved and the reliability of connection is enhanced by arranging the special-shaped steel rails at the positions of the rail waists 102A. Similarly, the other two are the second clamping plates 22 for connecting the deformed steel rails 10 and the 80R steel rail 300, and the second clamping plates 22 are fixed with the deformed steel rails and the 80R steel rail 300 through bolts 31, so that the fixed connection between the deformed steel rails 10 and the 80R steel rail 300 is realized, and the connection stability between the deformed steel rails 10 and the 80R steel rail 300 is improved. The structural strength of the special-shaped steel rails 10 and 80R steel rails 300 can be improved, and the connection reliability can be enhanced.
Here, it is understood that the first clamping plate 21 differs from the second clamping plate 22 in size. The shape of the first clip 21 is adapted to the shape of the web 102C of the first connecting section 11 of the profiled rail 10 and to the shape of the web 102A of the 60kg/m rail 200, and the shape of the second clip 22 is adapted to the shape of the web 102E of the second connecting section 13 of the profiled rail 10 and to the shape of the web 102B of the 80R rail 300.
In some embodiments, as shown in fig. 12, the joint clamp 20 is connected to the profiled rail 10 by a bolt 31 and a nut 32, and a flat washer 33 is disposed between the joint clamp 20 and the nut 32. The bolt 31 passes through the joint clamp plate 20, the special-shaped steel rail 10 and the joint clamp plate 20 in sequence. The joint clamping plate 20 in fig. 12 may be two first clamping plates 21 or two second clamping plates 22 in this embodiment. Similarly, fig. 13 may show the first clip 21 or the second clip 22.
The method for connecting the 60kg/m rail and the 80R rail provided by the application is described in a specific embodiment.
At present, the existing railway lines in China are all paved by adopting Chinese standard steel rails, the joint connection mode is mainly that the steel rails are connected in the same steel rail type (60kg/m and 50kg/m), the railway lines adopt Chinese standard 60kg/m steel rails 200 (as shown in figure 14, the width D of a rail head 101A is 71rnm, the rail height H is 176mm, and the width B of a rail bottom 103A is 150mm), and the railway lines adopt British standard 80R steel rails 300 (as shown in figure 15, the width D of the rail head 101B is 63.5mm, the rail height H is 133.4mm, and the width B of the rail bottom 103B is 127mm) to be connected with each other, and the two rail types have large difference in end face and cannot be directly connected with each other domestically or overseas well.
To this end, an embodiment of the present application provides a method of joining a 60kg/m rail to an 80R rail.
The 60kg/m steel rail and the 80R steel rail are connected through the special-shaped steel rail 10, the joint clamping plate 20, the bolt 31, the nut 32 and the flat washer 33. As in fig. 7-12.
Specifically, the deformed rail 10 has one end of a 60kg/m rail shape (first connection section 11) for connecting with the 60kg/m rail and one end of an 80R rail shape (second connection section 13) for connecting with the 80R rail. The 60kg/m rail profile gradually transits to the 80R rail profile (the length of the 80R rail profile is in the range of mm to 1050 mm) through the transition section 12 (the length of the transition section 12 is in the range of 140mm to 180 mm).
The joint splint 20 provided at the first coupling segment 11 is in contact with the deformed rails 10 and 60kg/m rails by means of the upper and lower inclined surfaces 201 and 203 thereof. The joint splint 20 provided at the second coupling segment 13 is in contact with the profile rails 10 and 80R by its upper and lower inclined surfaces 201 and 203.
The joint clamp 20 is fixed to the deformed rail 10, 60kg/m rail, 80R rail by the bolt 31, the nut 32, and the flat washer 33. Thus, rails of two different rail types, namely, a 60kg/m rail and an 80R rail, are connected by the deformed rail 10, and a transition from the rail type of the 60kg/m rail to the rail type of the 80R rail (similarly, a transition from the rail type of the 80R rail to the rail type of the 60kg/m rail) is performed. The 60k/m steel rail and the special-shaped steel rails 10 and 80R are connected and fixed through the joint clamping plates 20.
The method for connecting the 60kg/m steel rail and the 80R steel rail provided by the specific embodiment realizes the connection of two steel rails (the 60kg/m steel rail and the Yingbiao 80R steel rail) with different standards by arranging the special-shaped steel rail 10, has a simple structure, is convenient to assemble and disassemble, and has extremely high use value and economic value.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for connecting a 60kg/m steel rail and an 80R steel rail is characterized by comprising the following steps:
arranging a special-shaped steel rail (10), arranging one end of the special-shaped steel rail (10) into a first connecting section (11) in the rail shape of a 60kg/m steel rail, and arranging the other end of the special-shaped steel rail (20) into a second connecting section (13) in the rail shape of an 80R steel rail;
arranging a transition section (12) of the special-shaped steel rail (10), and connecting the first connecting section (11) and the second connecting section (13) through the transition section (12) to enable the special-shaped steel rail (10) to be transited from the rail shape of the 60kg/m steel rail to the rail shape of the 80R steel rail;
butting the first connecting section (11) with a 60kg/m steel rail (200);
butting the second connecting section (13) with an 80R steel rail (300);
a joint clamping plate (20) is arranged on the special-shaped steel rail (10);
and fixing the special-shaped steel rail (10) and the 60kg/m steel rail (200) and fixing the special-shaped steel rail (10) and the 80R steel rail (300) by using the joint clamping plates (20).
2. The method for joining a 60kg/m rail to an 80R rail according to claim 1, wherein a transition section (12) of the profiled rail (10) is provided, the first connection section (11) and the second connection section (13) are connected by the transition section (12), and the step of transferring the profiled rail (10) from the rail profile of the 60kg/m rail to the rail profile of the 80R rail comprises:
setting the shape of the end surface of the transition section (12) connected with the first connecting section (11) to the shape of the cross section of the 60kg/m steel rail (200);
setting the shape of the end surface of the transition section (12) connected with the second connecting section (13) to the shape of the cross section of the 80R steel rail (300);
the top surface of the first connecting section (11), the top surface of the transition section (12) and the top surface of the second connecting section (13) are arranged flush.
3. The method for connecting a 60kg/m rail and an 80R rail according to claim 2, wherein a transition section (12) of the profiled rail (10) is provided, the first connecting section (11) and the second connecting section (13) are connected through the transition section (12), and the step of making the profiled rail (10) transition from the rail shape of the 60kg/m rail to the rail shape of the 80R rail further comprises:
arranging the end surface of the rail head (101C) of the first connecting section (11) facing the working edge and the end surface of the rail head (101D) of the transition section (12) facing the working edge in a flush manner;
and arranging the end surface of the rail head (101D) of the transition section (12) facing the working edge to be flush with the end surface of the rail head (101E) of the second connecting section (13) facing the working edge.
4. The method of joining a 60kg/m rail to an 80R rail according to claim 1,
the length of the transition section (12) is in the range of 140mm to 180 mm.
5. The method of joining a 60kg/m rail to an 80R rail according to claim 1,
the length of the second connecting section (13) is in the range of 200mm to 1050 mm.
6. The method of joining a 60kg/m rail to an 80R rail according to claim 1,
the first connecting section (11), the transition section (12) and the second connecting section (13) are integrally formed.
7. Method for joining a 60kg/m rail to an 80R rail according to any one of claims 1 to 6, characterised in that the end face of the adapter plate (20) facing the web (102C, 102E) of the profiled rail (10) comprises an upper ramp (201), a mounting face (202) and a lower ramp (203) connected to each other;
the method for installing the joint clamping plate (20) on the special-shaped steel rail (10) comprises the following steps:
the mounting surface (202) of the joint clamping plate (20) faces the rail waists (102C, 102E) of the special-shaped steel rail (10), and the joint clamping plate (20) is installed in a concave structure surrounded by rail heads (101C, 101E) of the special-shaped steel rail (10), rail waists (102C, 102E) of the special-shaped steel rail (10) and rail bottoms (103C, 103E) of the special-shaped steel rail (10);
connecting the upper inclined surface (201) of the joint splint (20) with the rail heads (101C, 101E) of the special-shaped steel rail (10);
connecting the lower inclined surface (203) of the joint clamping plate (20) with the rail bottoms (103C, 103E) of the special-shaped steel rail (10).
8. Method for joining a 60kg/m rail to an 80R rail according to any one of claims 1 to 6, characterized in that the step of mounting the joint clamp (20) on the profiled rail (10) is preceded by:
arranging a joint clamping plate (20), and arranging a plurality of round holes (204) and a plurality of waist holes (205) on the joint clamping plate (20), wherein the total number of the round holes (204) and the waist holes (205) is even;
arranging a plurality of round holes (204) and a plurality of waist holes (205) at intervals along the extension direction of the joint splint (20); the waist holes (205) are arranged between two adjacent round holes (204), and the round holes (204) are arranged between two adjacent waist holes (205);
a plurality of bolt holes (104) which are respectively opposite 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 method comprises the following steps after the step of installing the joint clamping plate (20) on the special-shaped steel rail (10): bolts (31) are used for penetrating the bolt holes (104) and the round holes (204) which are oppositely arranged, and bolts (31) are used for penetrating the bolt holes (104) and the waist holes (205) which are oppositely arranged, so that the joint splint (20) and the special-shaped steel rail (10) are connected through the bolts (31).
9. The method for joining a 60kg/m rail to an 80R rail according to claim 8, wherein the number of circular holes (204) is two; the number of the waist holes (205) is two.
10. Method for joining a 60kg/m rail to an 80R rail according to any one of claims 1 to 6, wherein said joint clamping plates (20) are four in number, four joint clamping plates (20) being respectively two first clamping plates (21) and two second clamping plates (22); the step of fixing the shaped rail (10) and the 60kg/m rail (200) and the shaped rail (10) and the 80R rail (300) by using the joint splint (20) includes:
a first clamping plate (21) is respectively arranged at the left side and the right side of the special-shaped steel rail (10);
fixedly connecting one end of the first clamping plate (21) with the first connecting section (11) through a bolt (31);
fixedly connecting the other end of the first clamping plate (21) with the 60kg/m steel rail (200) through a bolt (31);
a second clamping plate (22) is respectively arranged at the left side and the right side of the special-shaped steel rail (10);
one end of the second clamping plate (22) is fixedly connected with the second connecting section (13) through a bolt (31);
and the other end of the second clamping plate (22) is fixedly connected with the 80R steel rail (300) through a bolt (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010611403.5A CN111705556A (en) | 2020-06-30 | 2020-06-30 | Method for connecting 60kg/m steel rail and 80R steel rail |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010611403.5A CN111705556A (en) | 2020-06-30 | 2020-06-30 | Method for connecting 60kg/m steel rail and 80R steel rail |
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| CN111705556A true CN111705556A (en) | 2020-09-25 |
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| CN202010611403.5A Pending CN111705556A (en) | 2020-06-30 | 2020-06-30 | Method for connecting 60kg/m steel rail and 80R steel rail |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112975284A (en) * | 2021-02-20 | 2021-06-18 | 中国铁建重工集团股份有限公司道岔分公司 | Manufacturing method of special-shaped rail |
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Application publication date: 20200925 |