Frog and track

Abstract

The present invention provides a frog and a track with the frog, wherein the track comprises a wing rail assembly and a fork core, the wing rail assembly comprises a first wing rail and a second wing rail, the first wing rail and the second wing rail are cross-arranged to form an intersection; the fork core is connected to the intersection, and the fork core is located on one side of the intersection. In the technical solution, the fork core is only arranged on one side of the intersection, and the material cost saved by processing the fork core is used to extend the length of the first wing rail and the second wing rail. The distance between the extended first wing rail and the second wing rail on the opening side is larger, which increases the welding space, is conducive to the staff to weld the fork core and the rail, and effectively improves the welding efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of railway turnouts, and more particularly to a frog and a track. Background Art

[0002] The frog used in trains or trams includes a wing rail and a fork located inside the wing rail. When the frog is assembled with the rail, the fork needs to be welded to the grooved rail of the rail. Since the opening side spacing of the wing rail is small, the welding space between the fork and the grooved rail is small, and the welding operation is difficult and inefficient. Since the material cost of the frog is high, the method of lengthening the wing rail and increasing the opening side spacing increases the processing cost. How to improve the welding efficiency of the fork and the grooved rail without increasing the processing cost has become an urgent problem to be solved. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art.

[0004] One aspect of the present invention provides a frog.

[0005] Yet another aspect of the present invention provides a track.

[0006] In view of the above, one aspect of the present invention provides a frog for connecting to a rail of a track, comprising: a wing rail assembly, including a first wing rail and a second wing rail, the first wing rail and the second wing rail are cross-arranged to form an intersection; a fork core connected to the intersection, the fork core is located on one side of the intersection.

[0007] The frog provided by the present invention comprises a wing rail assembly and a fork core, wherein an intersection portion is formed at the intersection of the first wing rail and the second wing rail, so that different vehicles can travel on the first wing rail and the second wing rail through the intersection portion, and the fork core is connected to the intersection portion and is located on one side of the intersection portion. In the present application, the fork core is only arranged on one side of the intersection portion, which saves the material cost of processing the fork core compared with the method in the related art where the fork core is arranged on both sides of the wing rails of the frog, and on this basis, the material cost saved from processing the fork core is used to extend the length of the first wing rail and the second wing rail. The distance between the extended first wing rail and the second wing rail on the opening side is larger, which increases the welding space, is conducive to the staff to weld the fork core and the rail, and effectively improves the welding efficiency. Moreover, the method of reducing the material cost of processing the fork core and extending the first wing rail and the second wing rail is not easy to increase the processing cost, which is conducive to efficient and low-cost mass production of frogs.

[0008] Specifically, in the related art, the frog is formed by an integrated forging process. Due to the limitations of the manufacturing level in the related art, the frog after processing is formed with fork cores on both sides of the intersection. In the present application, the wing rail assembly and the fork core are processed separately, so that it is convenient to process the wing rail assembly according to a predetermined shape, and the fork core is processed separately, so that it is convenient to assemble the fork core only on one side of the wing rail assembly, which reduces the material cost of processing the fork core, and the saved material cost is used to extend the wing rail assembly. If the fork core of the frog on one side of the intersection in the related art is cut off for extending the wing rail assembly, this method increases the processing steps of cutting off the fork core and also reduces the processing efficiency. In the present application, the formed wing rail assembly is welded to the rail, and the spacing of the wing rail assembly on the opening side is larger, which is convenient for the staff to weld and fix the fork core to the rail, and finally fix the fork core to the wing rail assembly to improve the stability of the frog.

[0009] In addition, the frog provided according to the above technical solution of the present invention also has the following additional technical features:

[0010] In any of the above technical solutions, preferably, the first wing rail and the second wing rail both include: a first connecting portion, located on one side of the intersection; a second connecting portion, located on the other side of the intersection; the first connecting portion of the first wing rail is connected to the second connecting portion of the second wing rail to form a first bent portion at the connection; the first connecting portion of the second wing rail is connected to the second connecting portion of the first wing rail to form a second bent portion at the connection; and the bending direction of one of the first bent portion and the second bent portion is arranged toward the other.

[0011] In this technical solution, the first bending portion and the second bending portion are arranged in a curved shape, and one of the two bending portions is bent toward the other direction, so that the first bending portion and the second bending portion are adapted to the shape of the channel for vehicle travel on the wing rail assembly. Compared with the method of integrally forming a large amount of processed material on the outer side of the intersection in the related art, the provision of the first bending portion and the second bending portion in the present application effectively reduces the material cost of producing the frog, which is conducive to using the saved material cost to extend the first wing rail and the second wing rail.

[0012] In any of the above technical solutions, preferably, the frog further comprises: a locking member, and mounting holes for the locking member to pass through are provided on the wing rail assembly and the fork core, and the locking member passes through the mounting hole to lock the fork core to the wing rail assembly.

[0013] In this technical solution, the fork core and the wing rail assembly are processed in a separate processing and forming manner. Compared with the method in which the frog is formed as an integral part in the related art, the method of separately processing the wing rail assembly facilitates the control of the shape of the wing rail assembly. For example, there is no need to form excess processing on the outside of the intersection, so as to reduce the material cost of the wing rail assembly by forming a bent portion. After completing the forming work of the wing rail assembly and the fork core respectively, the method of installing the fork core only on one side of the wing rail assembly also saves material costs. The locking member locks the fork core to the wing rail assembly, so that the fork core is stably connected to the wing rail assembly and is not prone to shaking, thereby improving the structural stability of the frog.

[0014] In any of the above technical solutions, preferably, the frog further includes: an adjusting pad, the adjusting pad is provided with a through hole for the locking member to pass through, the locking member is inserted into the through hole and abuts against an end surface on one side of the adjusting pad, and the end surface on the other side of the adjusting pad abuts against an outer wall of the wing rail assembly, so as to adjust the extension direction of the locking member to be parallel to the center line of the mounting hole.

[0015] In this technical solution, the first bent portion and the second bent portion are bent, so that the locking surface of the locking member is difficult to fit tightly with the outer side surfaces of the first bent portion and the second bent portion. After the adjustment pad is assembled between the locking member and the wing rail assembly, one side end surface of the adjustment pad is matched with the outer curved surface of the first bent portion and the second bent portion, and the other side end surface of the adjustment pad is matched with the locking surface of the locking member, so that the extension direction of the locking member is adjusted to be parallel to the center line of the mounting hole, so that the locking member can stably lock the fork core to the wing rail assembly.

[0016] In any of the above technical solutions, preferably, the wing rail assembly is fixed to the fork core by welding.

[0017] In this technical solution, the fork core and the wing rail assembly are processed in a separate processing and forming manner. After the wing rail assembly and the fork core are processed and formed separately, the fork core is welded and fixed to the wing rail assembly to prevent the fork core from shaking relative to the wing rail assembly, thereby improving the structural stability of the fork.

[0018] In any of the above technical solutions, preferably, the distance between the ends of the two first connecting parts away from the intersection and the distance between the ends of the two second connecting parts away from the intersection are greater than or equal to 80 mm.

[0019] In this technical solution, the spacing between the ends of the two first connecting parts away from the intersection and the spacing between the ends of the two second connecting parts away from the intersection are both greater than or equal to 80 mm, thereby leaving a larger welding space for the workers to weld the fork core and the rail, improving the convenience for the workers to weld the fork core and the rail, and thus helping to improve welding efficiency.

[0020] In any of the above technical solutions, preferably, the frog further comprises: a connecting plate, located on a side of the wing rail assembly close to the ground, the connecting plate being used to connect with an external component to limit the movement of the wing rail assembly and the fork core relative to the ground.

[0021] In this technical solution, a connecting plate is provided on one side of the wing rail assembly, and the connecting plate is connected and fixed to an external component, thereby fixing the wing rail assembly to the external component, preventing the wing rail assembly and the fork core from shaking relative to the ground, and improving the installation stability of the frog.

[0022] In any of the above technical solutions, preferably, the first connecting portion and the second connecting portion both include: a bearing portion; and a limiting portion located on one side of the bearing portion, the limiting portion being connected to the bearing portion to limit radial movement of the wheel.

[0023] In this technical solution, the load-bearing portion carries the wheels of the vehicle so that the wheels move along the load-bearing portion. The limiting portion is located on one side of the load-bearing portion. The limiting portion limits the wheels to prevent the wheels from deviating in the radial direction and from detaching from the load-bearing portion, so that the vehicle moves stably along the frog.

[0024] In any of the above technical solutions, preferably, the wing rail assembly and the fork core are made of alloy steel.

[0025] In this technical solution, alloy steel has the advantages of wear resistance, low temperature resistance, high temperature resistance and high hardness. The wing rail assembly and the fork core are made of alloy steel to improve the structural stability of the frog, thereby increasing the service life of the frog.

[0026] Another aspect of the present invention provides a track, which includes rails and frogs as provided in any of the above technical solutions. Therefore, the track provided by the present invention has all the benefits of the frogs provided in any of the above technical solutions.

[0027] Additional aspects and advantages according to the present invention will be given in part in the following description, and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0029] Figure 1 A schematic diagram showing the structure of a track provided by an embodiment of the present invention is shown;

[0030] Figure 2 Shows Figure 1 The cross-sectional view in the AA direction;

[0031] Figure 3A schematic diagram of the structure of a frog provided by an embodiment of the present invention is shown;

[0032] Figure 4 A schematic structural diagram of a frog provided by another embodiment of the present invention is shown;

[0033] Figure 5 A schematic diagram of the structure of a frog provided by another embodiment of the present invention is shown;

[0034] Figure 6 A schematic diagram showing the structure of a track provided by another embodiment of the present invention is shown;

[0035] Figure 7 A schematic structural diagram of a first connecting portion provided by an embodiment of the present invention is shown.

[0036] in, Figures 1 to 7 The corresponding relationship between the reference numerals and the component names is as follows:

[0037] 1 first wing rail, 11 first connecting portion, 111 bearing portion, 112 limiting portion, 12 second connecting portion, 2 second wing rail, 3 fork core, 4 mounting hole, 5 locking piece, 6 adjusting pad, 7 connecting plate, 8 rail. DETAILED DESCRIPTION

[0038] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0039] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0040] Refer to the following Figures 1 to 7 The track and frog thereof provided according to some embodiments of the present invention are described.

[0041] An embodiment of one aspect of the present invention provides a frog for connecting to a rail 8 of a track, Figure 1 and Figure 3 As shown, the frog includes a wing rail assembly and a fork core 3. The wing rail assembly includes a first wing rail 1 and a second wing rail 2. The first wing rail 1 and the second wing rail 2 are cross-arranged to form an intersection. The fork core 3 is connected to the intersection and is located on one side of the intersection.

[0042] The frog provided in the present embodiment includes a wing rail assembly and a fork core 3, the wing rail assembly includes a first wing rail 1 and a second wing rail 2 arranged in an intersecting manner, and an intersection portion is formed at the intersection of the first wing rail 1 and the second wing rail 2, so that different vehicles can travel on the first wing rail 1 and the second wing rail 2 through the intersection portion, and the fork core 3 is connected to the intersection portion and is located on one side of the intersection portion. In the present application, the fork core 3 is only arranged on one side of the intersection portion. Compared with the method in which the fork core 3 is arranged on both sides of the wing rails of the frog in the related art, the material cost of processing the fork core 3 is saved. On this basis, the material cost saved from processing the fork core 3 is used to extend the length of the first wing rail 1 and the second wing rail 2. The distance between the extended first wing rail 1 and the second wing rail 2 on the opening side is larger, which increases the welding space, is conducive to the staff to weld the fork core 3 and the rail, and effectively improves the welding efficiency. Moreover, the method of reducing the material cost of processing the fork core 3 and extending the first wing rail 1 and the second wing rail 2 is not easy to increase the processing cost, which is conducive to efficient and low-cost mass production of frogs.

[0043] Specifically, in the related art, the frog is formed by an integrated forging process. Due to the limitations of the manufacturing level in the related art, the frog after processing is formed with fork cores 3 on both sides of the intersection. In the present application, the wing rail assembly and the fork core 3 are processed separately, so that it is convenient to process the wing rail assembly according to a predetermined shape, and the fork core 3 is processed separately, so that it is convenient to assemble the fork core 3 only on one side of the wing rail assembly, which reduces the material cost of processing the fork core, and the saved material cost is used to extend the wing rail assembly. If the fork core 3 on one side of the intersection of the frog in the related art is cut off for extending the wing rail assembly, this method increases the processing steps of cutting off the fork core 3 and also reduces the processing efficiency. In the present application, the formed wing rail assembly is welded to the rail 8, and the spacing of the wing rail assembly on the opening side is larger, which is convenient for the staff to weld and fix the fork core 3 to the rail 8, and finally fix the fork core 3 to the wing rail assembly to improve the stability of the frog.

[0044] In addition, in this embodiment, the wing rail assembly and the fork core 3 are made of alloy steel. Alloy steel has the advantages of wear resistance, low temperature resistance, high temperature resistance and high hardness. The wing rail assembly and the fork core 3 are made of alloy steel to improve the structural stability of the frog, thereby increasing the service life of the frog. Since the cost of alloy steel is relatively high, processing the frog in this application can effectively reduce material costs.

[0045] The fork core 3 and the wing rail assembly can be processed with a forming knife, which reduces the processing difficulty. Then the fork core 3 is welded to the rail, and the wing rail assembly is welded to the rail, respectively, to improve the welding efficiency. In addition, due to the separate welding, the grinding space is no longer limited, which greatly improves the efficiency of grinding the weld. After welding, the fork core 3 and the wing rail assembly can be machined to adjust the welding deformation and improve the product processing accuracy.

[0046] In the above embodiment, preferably, Figure 3 As shown, the first wing rail 1 and the second wing rail 2 both include: a first connecting portion 11, located on one side of the intersection; a second connecting portion 12, located on the other side of the intersection; the first connecting portion 11 of the first wing rail 1 is connected to the second connecting portion 12 of the second wing rail 2 to form a first bending portion at the connection; the first connecting portion 11 of the second wing rail 2 is connected to the second connecting portion 12 of the first wing rail 1 to form a second bending portion at the connection; the bending direction of one of the first bending portion and the second bending portion is arranged toward the other.

[0047] In this embodiment, the first bending portion and the second bending portion are arranged in a curved shape, and one of the two bending portions is bent toward the other direction, so that the first bending portion and the second bending portion are adapted to the shape of the channel for vehicle travel on the wing rail assembly. Compared with the method of integrally forming a large amount of processed materials on the outer side of the intersection in the related art, the provision of the first bending portion and the second bending portion in the present application effectively reduces the material cost of producing the frog, which is conducive to using the saved material cost to extend the first wing rail 1 and the second wing rail 2.

[0048] Based on the above embodiments, preferably, in a specific embodiment, combined with Figure 1 , Figure 2 and Figure 3 As shown, the frog further includes a locking member 5. The wing rail assembly and the fork core 3 are provided with a mounting hole 4 for the locking member 5 to pass through. The locking member 5 passes through the mounting hole 4 to lock the fork core 3 to the wing rail assembly.

[0049] In this embodiment, the fork core 3 and the wing rail assembly are processed in a separate processing and forming manner. Compared with the method in which the frog is formed as an integral part in the related art, the method of separately processing the wing rail assembly facilitates the control of the shape of the wing rail assembly. The locking member 5 locks the fork core 3 to the wing rail assembly, so that the fork core 3 is stably connected to the wing rail assembly and is not prone to shaking, thereby improving the structural stability of the frog.

[0050] In the above embodiment, combined with Figure 1 , Figure 2 and Figure 3 As shown, the frog further includes: an adjusting pad 6, a through hole is opened on the adjusting pad 6 for the locking member 5 to pass through, the locking member 5 is inserted into the through hole and abuts against the end surface of one side of the adjusting pad 6, and the end surface of the other side of the adjusting pad 6 abuts against the outer wall of the wing rail assembly to adjust the extension direction of the locking member 5 to be parallel to the center line of the mounting hole 4.

[0051] In this embodiment, the first bending portion and the second bending portion are bent, so that the locking surface of the locking member 5 is difficult to fit tightly with the outer side surfaces of the first bending portion and the second bending portion. After the adjustment pad 6 is assembled between the locking member 5 and the wing rail assembly, one side end surface of the adjustment pad 6 is adapted to the outer curved surface of the first bending portion and the second bending portion, and the other side end surface of the adjustment pad 6 is adapted to the locking surface of the locking member 5, so that the extension direction of the locking member 5 is adjusted to be parallel to the center line of the mounting hole 4, so that the locking member 5 can stably lock the fork core 3 to the wing rail assembly.

[0052] In another specific embodiment, in combination Figure 1 , Figure 5 and Figure 6 As shown, the wing rail assembly is welded and fixed to the fork core 3, and the fork core 3 and the wing rail assembly are processed in a separate processing and forming manner. After the wing rail assembly and the fork core 3 are processed and formed respectively, the fork core 3 is welded and fixed to the wing rail assembly to prevent the fork core 3 from shaking relative to the wing rail assembly, thereby improving the structural stability of the frog.

[0053] In addition, the fork core 3 and the wing rail assembly can also be pre-assembled and fixed by 2-4 pre-assembled bolts before welding, so as to facilitate the pre-positioning of the fork core 3. A welding groove is formed on the side of the fork core 3 facing the rail 8, and the spacing between the opening sides of the groove is 6-10mm. The position of the weld between the fork core 3 and the wing rail assembly is lower than the minimum wheel rim groove depth, thereby avoiding the weld from contacting the wheel of the vehicle passing through the fork.

[0054] In the above embodiment, preferably, combined with Figure 3 , Figure 4 and Figure 5 As shown, the distance between the two first connection parts 11 and the two second connection parts 12 at one end away from the intersection is greater than or equal to 80 mm.

[0055] In this embodiment, the spacing between the ends of the two first connection parts 11 away from the intersection and the spacing between the ends of the two second connection parts 12 away from the intersection are both greater than or equal to 80 mm, thereby leaving a larger welding space for the workers to weld the fork core 3 and the rail, improving the convenience of the workers to weld the fork core 3 and the rail, and further helping to improve the welding efficiency.

[0056] In addition, the rail is a grooved rail. The two leg roots of the wing rail assembly on one side and the two leg roots of the fork core 3 involved in this embodiment are processed into the cross-sectional shape of the grooved rail, and are flash welded with the two root grooved rails to form a welded fork core 3, and then the weld is processed to the standard requirements by manual grinding or machining. Here, the opening of the fork core 3 and the two leg roots of the wing rail assembly is greater than 80 mm, and the grinding space is sufficient to improve the grinding efficiency (compared with the integral alloy steel frog, the increase in the length of the integral alloy steel frog will lead to an increase in the material cost index, so the integral alloy steel frog has an opening of less than 30 mm here, which is extremely difficult to grind and has a very low efficiency).

[0057] The two leg roots on the other side of the alloy steel wing rail assembly are processed into the cross-sectional shape of a grooved rail, and are independently welded to two grooved rails to form a false fork core 3, which plays the role of a grooved rail groove.

[0058] In the above embodiment, preferably, Figure 3 As shown, the frog further includes: a connecting plate 7, which is located on the side of the wing rail assembly close to the ground. The connecting plate 7 is used to connect with an external component to limit the movement of the wing rail assembly and the fork core 3 relative to the ground.

[0059] In this embodiment, a connecting plate 7 is provided on one side of the wing rail assembly, and the connecting plate 7 is connected and fixed to the external component, so as to fix the wing rail assembly to the external component, prevent the wing rail assembly and the fork core 3 from shaking relative to the ground, and improve the installation stability of the frog.

[0060] In the above embodiment, preferably, combined with Figure 3 and Figure 7 As shown, the first connection portion 11 and the second connection portion 12 both include: a bearing portion 111; a limiting portion 112 located at one side of the bearing portion 111, and the limiting portion 112 is connected to the bearing portion 111 to limit the radial movement of the wheel.

[0061] In this embodiment, the bearing portion 111 carries the wheel of the vehicle so that the wheel moves along the bearing portion 111. The limiting portion 112 is located on one side of the bearing portion 111. The limiting portion 112 limits the wheel to prevent the wheel from deviating in the radial direction and also prevents the wheel from separating from the bearing portion 111, so that the vehicle moves stably along the frog.

[0062] like Figure 1 As shown, another embodiment of the present invention provides a track, which includes rails and frogs as provided in any of the above embodiments. Therefore, the track provided by the present invention has all the benefits of the frogs provided in any of the above embodiments.

[0063] In the description of this specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0064] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0065] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A frog for connecting to a track rail, characterized in that: include: A wing rail assembly includes a first wing rail and a second wing rail, wherein the first wing rail and the second wing rail are arranged to cross each other to form an intersection; A fork core connected to the intersection, the fork core being located at one side of the intersection; The first wing rail and the second wing rail each include: A first connecting portion, located at one side of the intersection; A second connecting portion, located at the other side of the intersection; The first connecting portion of the first wing rail is connected to the second connecting portion of the second wing rail to form a first bent portion at the connection; The first connecting portion of the second wing rail is connected to the second connecting portion of the first wing rail to form a second bent portion at the connection; The bending direction of one of the first bending portion and the second bending portion is arranged toward the other; The frog also includes: A locking member, wherein the wing rail assembly and the fork core are provided with mounting holes for the locking member to pass through, and the locking member passes through the mounting holes to lock the fork core to the wing rail assembly; An adjustment pad, wherein the adjustment pad is provided with a through hole for the locking member to pass through, the locking member is inserted into the through hole and abuts against an end surface of one side of the adjustment pad, and an end surface of the other side of the adjustment pad abuts against an outer wall of the wing rail assembly, an end surface of one side of the adjustment pad is matched with the outer curved surfaces of the first bending portion and the second bending portion, and an end surface of the other side of the adjustment pad is matched with a locking surface of the locking member, so as to adjust the extension direction of the locking member to be parallel to the center line of the mounting hole; The distance between the two first connection parts and the distance between the two second connection parts and the two second connection parts are greater than or equal to 80 mm. The first connecting portion and the second connecting portion both include: A bearing portion, used to bear the wheels of the vehicle so that the wheels move along the bearing portion; A limiting portion is located at one side of the bearing portion, the limiting portion is connected to the bearing portion, and the limiting portion is used to limit the wheel to restrict the wheel from moving in the radial direction.

2. The frog according to claim 1, characterized in that: The wing rail assembly is welded and fixed to the fork core.

3. The frog according to claim 1, characterized in that: The frog also includes: A connecting plate is located at a side of the wing rail assembly close to the ground, and the connecting plate is used to connect with an external component to limit the movement of the wing rail assembly and the fork core relative to the ground.

4. The frog according to claim 1, characterized in that: The wing rail assembly and the fork core are made of alloy steel.

5. A track, characterized in that: include: Tracks; It also comprises the frog according to any one of claims 1 to 4, wherein the frog is connected to the rail.

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