CN210916813U

CN210916813U - Frog and rail

Info

Publication number: CN210916813U
Application number: CN201921502195.4U
Authority: CN
Inventors: 罗震; 刘皓; 刘志超; 王甫洪; 丰文
Original assignee: China Railway Construction Heavy Industry Group Co Ltd
Current assignee: China Railway Construction Heavy Industry Group Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-07-03
Anticipated expiration: 2029-09-10

Abstract

The utility model provides a frog and have track of this frog, wherein, the track includes wing rail subassembly and fork center, and the wing rail subassembly includes first wing rail and second wing rail, and first wing rail and second wing rail are crossed and set up in order to form the intersection; the fork core is connected with crossing portion, and the fork core is located one side of crossing portion, only sets up the fork core in one side of crossing portion among this technical scheme, and the material cost that will process the fork core and save is used for prolonging the length of first wing rail and second wing rail, and first wing rail and second wing rail after the extension are located the interval of opening side great, have increased welding space, are favorable to the staff to carry out weldment work to fork core and rail, have effectively improved welding efficiency.

Description

Frog and rail

Technical Field

The utility model relates to a railway switch technical field, more specifically say, relate to a frog and track.

Background

The used frog of train or tram etc. includes wing rail and the prong that is located wing rail inboard, when assembling frog and rail, need to weld the slot type rail of prong and rail, because the opening side interval of wing rail is less, thereby it is less with slot type rail welded space to cause the prong, the welding operation degree of difficulty is big and inefficiency, because the material cost of preparation frog is higher, lengthen the wing rail and increase the mode of opening side interval and increased the processing cost, how to improve the welding efficiency of prong and slot type rail under the condition of avoiding increasing the processing cost and become the problem of treating urgently.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.

One aspect of the present invention provides a frog.

Yet another aspect of the present invention provides a track.

In view of the above, one aspect of the present invention provides a frog for connection with a rail of a rail, comprising: a wing rail assembly including a first wing rail and a second wing rail, the first wing rail and the second wing rail being disposed to intersect to form an intersection; and the fork center is connected with the cross part and is positioned on one side of the cross part.

The utility model provides a frog which comprises a wing rail assembly and a fork core, wherein the cross part of a first wing rail and a second wing rail is formed into a cross part, so that different vehicles can advance on the first wing rail and the second wing rail through the cross part, the fork core is connected with the cross part and is positioned at one side of the cross part, the fork core is arranged at one side of the cross part, compared with the mode that the fork cores are arranged at two sides of the wing rail of the frog in the related art, the material cost for processing the fork core is saved, on the basis, the material cost saved by processing the fork core is used for prolonging the length of the first wing rail and the second wing rail, the distance between the extended first wing rail and the extended second wing rail at the opening side is larger, the welding space is increased, the welding work of workers for the fork core and the rail is facilitated, the welding efficiency is effectively improved, the material cost for processing the fork core is reduced, and the mode for prolonging the first wing rail and the second wing rail is not easy to increase the processing cost, the frog is beneficial to high-efficiency and low-cost batch production.

In particular, in the related art, the frog is formed by an integrally formed forging process, and due to the limitation of the manufacturing level in the related art, the frog after being formed is formed with the fork core at both sides of the crossing portion, while in the present application, the wing rail assembly and the fork core are respectively processed, so that the wing rail assembly is conveniently processed according to a predetermined shape, and the fork core is separately formed, so that the fork core is conveniently assembled at only one side of the wing rail assembly, the material cost for processing the fork core is reduced, the saved material cost is used for extending the wing rail assembly, if the fork core at one side of the crossing portion of the frog in the related art is cut for extending the wing rail assembly, the processing step of cutting the fork core is increased in this way, and the processing efficiency is also reduced, in the present application, the formed wing rail assembly is welded with the rail, and the distance between the wing rail assembly at the opening side is larger, the staff of being convenient for is fixed in the rail with the fork heart welded fastening, fixes fork heart and wing rail subassembly at last to improve the stability of frog.

In addition, according to the utility model discloses above-mentioned technical scheme provides frog still has following additional technical characterstic:

in any of the above technical solutions, preferably, the first wing rail and the second wing rail each include: a first connection part located at one side of the crossing part; a second connection part located at the other side of the crossing part; the first connecting part of the first wing rail is connected with the second connecting part of the second wing rail to form a first bending part at the connecting part; the first connecting part of the second wing rail is connected with the second connecting part of the first wing rail to form a second bending part at the connecting part; the bending direction of one of the first bending portion and the second bending portion is set toward the other.

In this technical scheme, first portion of bending and the portion of bending of second are the curved setting, and one of two portions of bending bends towards another direction, thereby make the passageway shape looks adaptation that supplies the vehicle to travel on first portion of bending and the wing rail subassembly of second portion of bending, compare with the mode that has a large amount of processing materials in the crossing outside integrated into one piece in the correlation technique, set up the material cost that first portion of bending and the portion of bending of second have effectively reduced the production frog in this application, and then be favorable to being used for prolonging first wing rail and second wing rail with the material cost who saves.

In any of the above technical solutions, preferably, the frog further includes: the retaining member, set up the mounting hole that supplies the retaining member to pass on wing rail subassembly and the fork heart, the retaining member passes the mounting hole in order to lock the fork heart in the wing rail subassembly.

In the technical scheme, the fork core and the wing rail assembly are processed in a split processing and forming mode, compared with a frog in the related art which is integrally formed, the mode of independently processing the wing rail assembly is convenient for controlling the shape of the wing rail assembly, for example, redundant processing amount is not needed to be formed outside the cross part, the material cost of the wing rail assembly is reduced in a mode of forming a bending part, after the forming work of the wing rail assembly and the fork core is respectively completed, the material cost is also saved in a mode of only installing the fork core on one side of the wing rail assembly, the fork core is locked to the wing rail assembly by the locking part, the fork core is stably connected to the wing rail assembly and is not prone to shaking, and the structural stability of the frog is improved.

In any of the above technical solutions, preferably, the frog further includes: the adjusting pad, be equipped with the through-hole that supplies the retaining member to pass on the adjusting pad, the retaining member inserts the through-hole and offsets with the terminal surface of adjusting pad one side, and the terminal surface of adjusting pad opposite side offsets with the outer wall of wing rail subassembly to the extending direction of adjusting the retaining member is parallel with the central line of mounting hole.

In this technical scheme, the bending of first portion of bending and the second portion of bending sets up, thereby the lateral surface that causes the locking surface of retaining member and first portion of bending and the second portion of bending is difficult to closely laminate, after assembling the adjustment pad between retaining member and wing rail subassembly, a side end face of adjustment pad and the outside curved surface looks adaptation of the first portion of bending and the second portion of bending, another side end face of adjustment pad and the locking surface looks adaptation of retaining member, thereby the extending direction of adjustment retaining member is parallel with the central line of mounting hole, and then make the retaining member can lock the fork heart in the wing rail subassembly steadily.

In any of the above solutions, preferably, the wing rail assembly is fixed to the fork center by welding.

In this technical scheme, fork heart and wing rail subassembly process with components of a whole that can function independently machine-shaping's mode, after machining-shaping respectively wing rail subassembly and fork heart, with fork heart welded fastening in wing rail subassembly, avoid the relative wing rail subassembly of fork heart to take place to rock, improve the structural stability of frog.

In any one of the above technical solutions, preferably, a distance between one ends of the two first connecting portions far away from the intersection portion and a distance between one ends of the two second connecting portions far away from the intersection portion are greater than or equal to 80 mm.

In this technical scheme, the interval that the one end of crossing portion was kept away from to two first connecting portion and the interval that the one end of crossing portion was kept away from to two second connecting portion all are greater than or equal to 80mm to reserve great welding space for the staff welds fork heart and rail, improve the staff and carry out welded convenience to fork heart and rail, and then be favorable to improving welding efficiency.

In any of the above technical solutions, preferably, the frog further includes: and the connecting plate is positioned on one side of the wing rail assembly close to the ground and is used for being connected with the external connecting part so as to limit the movement of the wing rail assembly and the fork center relative to the ground.

In this technical scheme, set up the connecting plate in one side of wing rail subassembly, be connected the connecting plate with external part fixedly to the realization is fixed in outer part with the wing rail subassembly, avoids wing rail subassembly and the relative ground of prong to rock, improves the installation stability of frog.

In any one of the above technical solutions, preferably, the first connection portion and the second connection portion each include: a bearing part; and the limiting part is positioned on one side of the bearing part and connected with the bearing part so as to limit the wheel to move along the radial direction.

In this technical scheme, the bearing part bears the weight of the wheel of vehicle for the wheel advances along the bearing part, and spacing portion is located bearing part one side, and spacing portion plays limiting displacement to the wheel, avoids the wheel to appear along radially squinting, also can avoid the wheel to break away from the bearing part, makes the vehicle advance along the frog steadily.

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

In this technical scheme, alloy steel has wear-resisting, low temperature resistant, high temperature resistant and the high advantage of hardness, and wing rail subassembly and prong are made by alloy steel and improve the structural stability of frog, and then improve the life of frog.

Yet another aspect of the present invention is to provide a rail, the rail comprises a rail and a frog provided in any one of the above technical solutions, therefore the present invention provides a rail having all the benefits of the frog provided in any one of the above technical solutions.

Additional aspects and advantages in accordance with 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 shows a schematic structural diagram of a track provided by an embodiment of the present invention;

FIG. 2 shows a cross-sectional view in the direction A-A in FIG. 1;

fig. 3 shows a schematic structural diagram of a frog provided by an embodiment of the present invention;

fig. 4 shows a schematic structural diagram of a frog provided by another embodiment of the present invention;

fig. 5 shows a schematic structural diagram of a frog provided by another embodiment of the present invention;

fig. 6 shows a schematic structural diagram of a track provided by another embodiment of the present invention;

fig. 7 shows a schematic structural diagram of a first connection portion according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:

the first wing rail of 1, 11 first connecting portions, 111 bearing part, 112 spacing portion, 12 second connecting portions, 2 second wing rails, 3 fork centers, 4 mounting holes, 5 retaining members, 6 adjusting pads, 7 connecting plates, 8 rails.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. 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 track and its frog provided according to some embodiments of the present invention is described below with reference to fig. 1 to 7.

An embodiment of an aspect of the present invention provides a frog for connecting with a rail 8 of a rail, as shown in fig. 1 and 3, the frog comprising a wing rail assembly and a fork head 3, the wing rail assembly comprising a first wing rail 1 and a second wing rail 2, the first wing rail 1 and the second wing rail 2 being arranged crosswise to form a crossing portion; the fork core 3 is connected with the crossing part, and the fork core 3 is positioned at one side of the crossing part.

The frog provided by the embodiment comprises a wing rail assembly and a fork core 3, wherein the wing rail assembly comprises a first wing rail 1 and a second wing rail 2 which are arranged in a crossed manner, a crossed part is formed at the crossed part of the first wing rail 1 and the second wing rail 2, different vehicles can travel on the first wing rail 1 and the second wing rail 2 through the crossed part, the fork core 3 is connected with the crossed part and is positioned at one side of the crossed part, the fork core 3 is only arranged at one side of the crossed part in the application, compared with the mode that the fork cores 3 are arranged at two sides of the wing rail of the frog in the related art, the material cost for processing the fork core 3 is saved, on the basis, the material cost saved by processing the fork core 3 is used for prolonging the length of the first wing rail 1 and the second wing rail 2, the distance between the lengthened first wing rail 1 and the lengthened second wing rail 2 at the opening side is larger, the welding space is increased, and the welding work of workers on the fork core 3 and the rails is facilitated, the welding efficiency is effectively improved, the material cost for processing the frog center 3 is reduced, the processing cost is not easily increased by the mode for prolonging the first wing rail 1 and the second wing rail 2, and the high-efficiency and low-cost batch production of the frog is facilitated.

In particular, in the related art, the frog is formed by an integrally formed forging process, and due to the limitation of the manufacturing level in the related art, the fork core 3 is formed on both sides of the crossing portion of the formed frog, while in the present application, the wing rail assembly and the fork core 3 are respectively processed, so that the wing rail assembly can be conveniently processed according to a predetermined shape, and the fork core 3 is formed by being processed separately, so that the fork core 3 can be conveniently assembled only on one side of the wing rail assembly, the material cost for processing the fork core is reduced, the saved material cost is used for extending the wing rail assembly, if the fork core 3 on one side of the crossing portion of the frog in the related art is cut for extending the wing rail assembly, this way increases the processing step for cutting the fork core 3, and also reduces the processing efficiency, in the present application, the formed wing rail assembly is welded with the rail 8, and the wing rail subassembly is located the interval of opening side great, and the staff of being convenient for fixes fork 3 welded fastening in rail 8, fixes fork 3 and wing rail subassembly at last to improve the stability of frog.

In addition, wing rail subassembly and fork heart 3 are made by alloy steel in this embodiment, and alloy steel has wear-resisting, low temperature resistant, advantage that high temperature resistant and hardness are high, and wing rail subassembly and fork heart 3 are made by alloy steel and improve the structural stability of frog, and then improve the life of frog, because the high cost of alloy is higher, process the frog in this application and can effectively reduce material cost.

The fork core 3 and the wing rail assembly can be processed by adopting a forming cutter, so that the processing difficulty is reduced. And then respectively welding the fork center 3 with the rail and welding the wing rail assembly with the rail, thereby improving the welding efficiency. In addition because of the separation welding, the space of polishing no longer restricted improves the welding seam efficiency of polishing by a wide margin, and welding deformation is adjusted in accessible machine tooling to fork center 3 and wing rail subassembly after the welding, promotes product machining precision.

In the above embodiment, preferably, as shown in fig. 3, each of the first wing rail 1 and the second wing rail 2 includes: a first connection portion 11 located at one side of the crossing portion; a second connection part 12 located at the other side of the crossing part; the first connecting part 11 of the first wing rail 1 is connected with the second connecting part 12 of the second wing rail 2 to form a first bending part at the connecting part; the first connecting part 11 of the second wing rail 2 is connected with the second connecting part 12 of the first wing rail 1 to form a second bending part at the connecting part; the bending direction of one of the first bending portion and the second bending portion is set toward the other.

In this embodiment, first bending portion and second bending portion are the curved setting, and one of two bending portions bends towards another direction, thereby make the passageway shape looks adaptation that supplies the vehicle to travel on first bending portion and the second bending portion and the wing rail subassembly, compare with the mode that has a large amount of processing materials in the crossing outside integrated into one piece among the correlation technique, set up first bending portion and second bending portion in this application and effectively reduced the material cost of production frog, and then be favorable to being used for prolonging first wing rail 1 and second wing rail 2 with the material cost who saves.

On the basis of the above embodiments, preferably, in a specific embodiment, as shown in fig. 1, 2 and 3, the frog further comprises: the locking piece 5, the wing rail assembly and the fork core 3 are provided with mounting holes 4 for the locking piece 5 to pass through, and the locking piece 5 passes through the mounting holes 4 so as to lock the fork core 3 on the wing rail assembly.

In this embodiment, fork 3 and wing rail subassembly process with components of a whole that can function independently machine-shaping's mode, compare with the mode that the frog is integrated into one piece among the correlation technique, the mode of processing alone is convenient for control the shape of wing rail subassembly to the wing rail subassembly, retaining member 5 locks fork 3 in the wing rail subassembly for fork 3 connects stably in the wing rail subassembly and is difficult for taking place to rock, improves the structural stability of frog.

In the above embodiment, as shown in fig. 1, 2 and 3, the frog further comprises: the adjusting pad 6 is provided with a through hole for the locking piece 5 to pass through on the adjusting pad 6, the locking piece 5 is inserted into the through hole and is abutted against the end surface of one side of the adjusting pad 6, the end surface of the other side of the adjusting pad 6 is abutted against the outer wall of the wing rail assembly, and the extending direction of the adjusting locking piece 5 is parallel to the central line of the mounting hole 4.

In this embodiment, the first bending portion and the second bending portion are arranged in a bent manner, so that the locking surface of the locking member 5 is difficult to be tightly attached to 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 matched with the outer side curved surfaces of the first bending portion and the second bending portion, the other side end surface of the adjustment pad 6 is matched with the locking surface of the locking member 5, so that the extending direction of the adjustment locking member 5 is parallel to the central line of the mounting hole 4, and the locking member 5 can stably lock the fork center 3 to the wing rail assembly.

In another embodiment, as shown in fig. 1, 5 and 6, the wing rail assembly and the fork hub 3 are welded and fixed, the fork hub 3 and the wing rail assembly are processed in a split processing and forming manner, and after the wing rail assembly and the fork hub 3 are respectively processed and formed, the fork hub 3 is welded and fixed to the wing rail assembly, so that the fork hub 3 is prevented from shaking relative to the wing rail assembly, and the structural stability of the frog is improved.

In addition, the fork core 3 and the wing rail assembly can be preassembled and fixed through 2-4 preassembled bolts before welding, so that the fork core 3 is prepositioned, a welding groove is formed in one side, facing the rail 8, of the fork core 3, the distance between the opening sides of the grooves is 6-10mm, the position of a welding seam between the fork core 3 and the wing rail assembly is lower than the depth of the minimum wheel rim groove, and the welding seam is prevented from being in contact with wheels of vehicles passing through the frog.

In the above embodiment, as shown in fig. 3, 4 and 5, preferably, the pitch of the ends of the two first connection portions 11 away from the intersection portion and the pitch of the ends of the two second connection portions 12 away from the intersection portion are greater than or equal to 80 mm.

In this embodiment, the interval that the one end of crossing was kept away from to two first connecting portion 11 and the interval that the one end of crossing was kept away from to two second connecting portion 12 all are greater than or equal to 80mm to reserve great welding space for the staff to weld fork 3 and rail, improve the staff and carry out the welded convenience to fork 3 and rail, and then be favorable to improving welding efficiency.

In addition, the rail is the channel type rail, the two leg root portions of the wing rail subassembly one side that this embodiment relates and the two leg root portions of fork heart 3 process into channel type rail section shape, and respectively with two root channel type rail flash welding, form welded type fork heart 3, then process the welding seam to standard requirement through manual polishing or machine tooling, the two leg root openings of fork heart 3 and wing rail subassembly here are greater than 80mm, the space of polishing is enough, promote the efficiency of polishing (compare with integral alloy steel frog, because of the length increase of integral alloy steel frog can lead to the material cost index to rise, consequently integral alloy steel frog here opening is less than 30mm, the degree of difficulty of polishing is very big, efficiency is very low).

The root parts of two legs at the other side of the alloy steel wing rail assembly are processed into the shape of the section of the groove-shaped steel rail and are respectively and independently welded with the two groove-shaped steel rails to form a false fork center 3, so that the effect of a groove of the groove-shaped steel rail is achieved.

In the above embodiment, preferably, as shown in fig. 3, the frog further comprises: and the connecting plate 7 is positioned on one side of the wing rail assembly close to the ground, and the connecting plate 7 is used for being connected with the external connecting component so as to limit the movement of the wing rail assembly and the fork core 3 relative to the ground.

In this embodiment, set up connecting plate 7 in one side of wing rail subassembly, be connected connecting plate 7 and external part fixedly to the realization is fixed in the external part component with the wing rail subassembly, avoids wing rail subassembly and 3 relative ground of prong to rock, improves the installation stability of frog.

In the above-described embodiment, preferably, as shown in fig. 3 and 7 in combination, each of the first connection portion 11 and the second connection portion 12 includes: a bearing part 111; and a limiting part 112 located at one side of the bearing part 111, wherein the limiting part 112 is connected to the bearing part 111 to limit the wheel to move along the radial direction.

In this embodiment, the bearing portion 111 bears the wheel of the vehicle, so that the wheel travels along the bearing portion 111, the limiting portion 112 is located on one side of the bearing portion 111, and the limiting portion 112 limits the wheel, so as to prevent the wheel from deviating in the radial direction and also prevent the wheel from separating from the bearing portion 111, so that the vehicle travels stably along the frog.

As shown in fig. 1, an embodiment of a further aspect of the present invention provides a rail comprising a rail and a frog provided in any of the above embodiments, thus the present invention provides a rail having all the benefits of a frog provided in any of the above embodiments.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, 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 is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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

1. A frog for connection with 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 being disposed crosswise to form a crossing portion;

and the fork core is connected with the crossing part and is positioned on one side of the crossing part.

2. The frog of claim 1, wherein said first wing rail and said second wing rail each comprise:

a first connection portion located at one side of the crossing portion;

a second connection part located at the other side of the crossing part;

the first connecting part of the first wing rail is connected with the second connecting part of the second wing rail to form a first bending part at the connecting part;

the first connecting part of the second wing rail is connected with the second connecting part of the first wing rail to form a second bending part at the connecting part;

the first bending portion and the second bending portion are arranged such that the bending direction of one of the first bending portion and the second bending portion is directed toward the other.

3. The frog of claim 1 or 2, further comprising:

the retaining member, the wing rail subassembly with be equipped with the confession on the fork heart the mounting hole that the retaining member passed, the retaining member passes the mounting hole in order to incite somebody to action the fork heart lock in the wing rail subassembly.

4. The frog of claim 3, further comprising:

the adjusting pad, be equipped with the confession on the adjusting pad the through-hole that the retaining member passed, the retaining member inserts the through-hole and with the terminal surface of adjusting pad one side offsets, the terminal surface of adjusting pad opposite side with the outer wall of wing rail subassembly offsets, in order to adjust the extending direction of retaining member with the central line of mounting hole is parallel.

5. The frog of claim 1 or 2 wherein said wing rail assembly is welded to said frog center.

6. The frog of claim 2 wherein the spacing of the ends of the two first connection portions distal from the intersection and the spacing of the ends of the two second connection portions distal from the intersection is greater than or equal to 80 mm.

7. The frog of claim 1 or 2, further comprising:

the connecting plate is positioned on one side, close to the ground, of the wing rail assembly and is used for being connected with an external connecting part so as to limit the movement of the wing rail assembly and the fork center relative to the ground.

8. The frog of claim 2, wherein said first connection portion and said second connection portion each comprise:

a bearing part;

and the limiting part is positioned on one side of the bearing part and connected with the bearing part so as to limit the wheel to move along the radial direction.

9. The frog of claim 1 or 2 wherein said wing rail assembly and said frog centre are made of alloy steel.

10. A track, comprising:

a rail;

further comprising the frog of any of claims 1-9, said frog being connected to said rail.