Double-side clamping and reinforcing structure for repairing alloy steel frog

Abstract

The utility model discloses a double-side clamping reinforcing structure for repairing an alloy steel frog, and relates to the technical field of frog repairing. The utility model aims to solve the problem that when the existing alloy steel frog is repaired, the wing rail of the alloy steel frog is sliced and a wing rail panel is additionally arranged in the repairing process, so that the use strength of the wing rail is reduced. The device comprises two wing rail panels, two reinforcing protection plates, two adjusting spacing plate groups and a group of bolt components, C-shaped grooves are formed in the outer side end faces of the two wing rails in the length direction respectively, the reinforcing protection plates are embedded in the C-shaped grooves, facing grooves are formed in the inner side end faces of the two wing rails in the length direction respectively, the wing rail panels are arranged in the facing grooves, and the reinforcing protection plates are embedded in the facing grooves. The fork core is arranged between the two wing rail panels, an adjusting spacing plate set is arranged between each wing rail panel and the fork core, and the reinforcing protection plate, the wing rails, the wing rail panels, the adjusting spacing plate sets and the fork core are fixedly connected through a set of bolt assemblies. The frog repairing device is used for frog repairing.

Description

Technical Field

[0001] The utility model relates to the technical field of frog repair, in particular to a double-side supporting reinforcement structure for repairing alloy steel frogs. Background Art

[0002] A frog is a device that allows the wheels to cross one rail over another. It consists of a fork, wing rails, and connecting parts. As the railway develops towards heavy loads and high speeds, higher requirements are placed on frogs. At present, when repairing alloy steel frogs, the wing rails of the alloy steel frogs are planed and wing rail panels are added during the repair process, resulting in reduced use strength of the wing rails. The overall strength of the wing rails and the assembled parts is reduced, affecting the safe operation of rail trains and restricting the high-speed development of rail trains. Therefore, how to solve the problem of the overall strength of the wing rails and the assembled parts is a key link in the repair process of alloy steel frogs. Utility Model Content

[0003] In order to solve the problem that the wing rails of the alloy steel frog are planed and wing rail panels are installed during the repair process of the existing alloy steel frog, resulting in reduced strength of the wing rails, the utility model further proposes a double-sided support reinforcement structure for alloy steel frog repair.

[0004] The technical solution adopted by the utility model to solve the above technical problems is:

[0005] A double-sided reinforcement structure for repairing an alloy steel frog comprises two wing rail panels, two reinforcement guard plates, two adjustment spacer plate groups and a group of bolt assemblies. The outer end surfaces of the two wing rails are respectively provided with C-shaped grooves along the length direction, and the reinforcement guard plates are embedded in the C-shaped grooves. The inner end surfaces of the two wing rails are respectively provided with countersunk grooves along the length direction, and the wing rail panels are arranged in the countersunk grooves. A fork core is arranged between the two wing rail panels, and an adjustment spacer plate group is respectively arranged between each wing rail panel and the fork core. The reinforcement guard plates, the wing rails, the wing rail panels, the adjustment spacer plate group and the fork core are fixedly connected by a group of bolt assemblies.

[0006] Furthermore, the length of the reinforcing arc plate is greater than the length of the wing rail panel.

[0007] Furthermore, a limiting groove is provided at the upper end of the spot facing groove along the length direction, and a positioning edge is provided at the upper part of the inner end surface of the wing rail panel along the length direction, and the positioning edge is arranged in the limiting groove.

[0008] Furthermore, both front and rear ends of the limiting groove are provided with oblique chamfers, and both front and rear ends of the positioning edge are provided with transition chamfers.

[0009] Furthermore, the wing rails and wing rail panels are completed by digital processing.

[0010] Furthermore, two guard rails are provided on the rear side of the fork core, and spacer irons A are provided between the wing rails and adjacent guard rails, and the spacer irons A are provided on the rear side of the wing rail paneling. Spacer irons B are provided between the two wing rails, and the spacer irons B are provided on the front side of the wing rail paneling.

[0011] Further, a set of bolt assemblies includes two bolt assemblies, and the two bolt assemblies are arranged along the length direction of the wing rail.

[0012] Furthermore, the bolt assembly includes a high-strength bolt, an anti-loosening washer and a nut. The high-strength bolt vertically passes through the reinforcing guard plate on one side, the wing rail on one side, the wing rail panel on one side, the adjustment spacer plate group on one side, the fork core, the adjustment spacer plate group on the other side, the wing rail panel on the other side, the wing rail on the other side and the reinforcing guard plate on the other side in order from front to back. The nut is threadedly connected to the end of the high-strength bolt, and an anti-loosening washer is provided between the nut and the outer end face of the reinforcing guard plate on the other side.

[0013] Furthermore, the adjustment spacer plate group includes a spacer plate adjustment block A, a spacer plate adjustment block B and a spacer plate, two limiting grooves are opened on the inner end face of the spacer plate along the length direction, the spacer plate adjustment block A is arranged in the limiting groove on the front side, and the spacer plate adjustment block B is arranged in the limiting groove on the rear side, the thickness of the spacer plate adjustment block A and the spacer plate adjustment block B are both greater than the groove depth of the limiting groove, and the outer end faces of the spacer plate adjustment block A and the spacer plate adjustment block B cooperate with the side end face of the fork core.

[0014] Furthermore, the high-strength bolts on the front side pass through the spacer plate adjustment block A, and the high-strength bolts on the rear side pass through the spacer plate adjustment block B.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model provides a double-sided support reinforcement structure for alloy steel frog repair, which mainly solves the problem of how to strengthen the wing rail after planing and repair and meet the use strength of the wing rail after assembly in the existing railway alloy steel frog repair process, and overcomes the key difficulties related to the restrictive strength and safe operation of the alloy steel frog. The double-sided support reinforcement structure of the alloy steel frog wing rail reinforces the wing rail itself and the wing rail panel assembly strength and planing limit position of the planed wing rail and wing rail panel during the alloy steel frog repair process, thereby improving the overall assembly strength and the safety and stability of the alloy steel frog after repair. It can cover and be applied to the repair of various types of alloy steel frogs such as 50kg and 60kg, 12#, 9# and other models. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a front view of a double-sided support reinforcement structure for alloy steel frog repair.

[0018] Figure 2 yes Figure 1 CC view in the figure;

[0019] Figure 3 It is a top view of the adjustment spacer plate group 3 in the utility model.

[0020] In the figure: 1-wing rail, 2-wing rail panel, 3-adjustment spacer plate group, 4-fork core, 5-frog sleeper, 6-spacer iron A, 7-guard rail, 8-spacer iron B, 9-reinforcement guard plate, 10-high strength bolt, 11-anti-loosening washer, 12-nut, 13-spacer plate adjustment block A, 14-spacer plate adjustment block B, 15-spacer, 1-1-C-type groove, 1-2-face facing groove, 1-3-limiting groove, 1-4-bevel chamfer, 2-1-positioning edge, 2-2-transition chamfer. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] Specific implementation method 1: Combination Figures 1 to 3 The present embodiment is described. A double-sided reinforcement structure for alloy steel frog repair described in the present embodiment comprises two wing rail panels 2, two reinforcement guard plates 9, two adjustment spacer plate groups 3 and a group of bolt assemblies. C-shaped grooves 1-1 are respectively opened on the outer end faces of the two wing rails 1 along the length direction, and the C-shaped grooves 1-1 are embedded with reinforcement guard plates 9. Countersunk grooves 1-2 are respectively provided on the inner end faces of the two wing rails 1 along the length direction, and the wing rail panels 2 are arranged in the countersunk grooves 1-2. The fork core 4 is arranged between the two wing rail panels 2, and an adjustment spacer plate group 3 is respectively provided between each wing rail panel 2 and the fork core 4. The reinforcement guard plates 9, the wing rails 1, the wing rail panels 2, the adjustment spacer plate group 3 and the fork core 4 are fixedly connected by a group of bolt assemblies.

[0023] In this design, the wing rail panel 2 is arranged on the inner side of the planed wing rail 1, and an adjustment spacer plate group 3 is arranged on the inner side of the wing rail panel 2 to adjust the gap with the fork core 4 to play a supporting role. The reinforcing guard plate 9 is embedded in the outer C-shaped groove 1-1 of the planed wing rail 1 to compensate the strength of the outer side of the wing rail 1, and the reinforcing guard plate 9, the wing rail 1, the wing rail panel 2, the adjustment spacer plate group 3 and the fork core 4 are connected and fixed by a group of bolt assemblies, which plays a supporting and compensating role for the wing rail 1, thereby enhancing the overall strength of the frog, thereby ensuring the safe operation of the rail train.

[0024] Specific implementation method 2: Combination Figures 1 to 3This embodiment is described, and the length of the reinforcing arc plate 9 in this embodiment is greater than the length of the wing rail panel 2. The undisclosed technical features in this embodiment are the same as those in the first embodiment.

[0025] Such design is to enhance the compensating strength and ensure the outer side strength and stability of the wing rail 1 .

[0026] Specific implementation method three: Combination Figures 1 to 3 In this embodiment, the upper end of the spot facing groove 1-2 is provided with a limit groove 1-3 along the length direction, and the upper part of the inner end surface of the wing rail panel 2 is provided with a positioning edge 2-1 along the length direction, and the positioning edge 2-1 is arranged in the limit groove 1-3. The undisclosed technical features in this embodiment are the same as those in the first embodiment.

[0027] Such design facilitates the positioning and limiting of the wing rail panel 2 .

[0028] Specific implementation method four: Combination Figures 1 to 3 To illustrate this embodiment, the front and rear ends of the limit groove 1-3 in this embodiment are both provided with oblique chamfers 1-4, and the front and rear ends of the positioning edge 2-1 are both provided with transition chamfers 2-2. The undisclosed technical features in this embodiment are the same as those in the third embodiment.

[0029] Such a design enables the transition chamfer 2 - 2 to cooperate with the oblique chamfer 1 - 4 , thereby avoiding the stress concentration phenomenon on the positioning edge 2 - 1 and ensuring the strength of the wing rail panel 2 .

[0030] Specific implementation method five: Combination Figures 1 to 3 To illustrate this embodiment, the wing rail 1 and the wing rail panel 2 of this embodiment are both completed by digital processing. The undisclosed technical features of this embodiment are the same as those of the specific embodiments 1, 2, 3 or 4.

[0031] Such design ensures the processing accuracy of the wing rail 1 and the wing rail panel 2, and ensures smooth subsequent assembly.

[0032] Specific implementation method six: Combination Figures 1 to 3 This embodiment is described. In this embodiment, two guard rails 7 are provided at the rear side of the fork core 4. Spacer irons A6 are provided between the wing rails 1 and the adjacent guard rails 7. The spacer irons A6 are provided at the rear side of the wing rail panel 2. A spacer iron B8 is provided between the two wing rails 1. The spacer iron B8 is provided at the front side of the wing rail panel 2. The undisclosed technical features in this embodiment are the same as those in the first embodiment.

[0033] This design is used to ensure the position accuracy between the wing rails 1 and between the wing rails 1 and the guard rail 7 .

[0034] In this embodiment, frog sleepers 5 are evenly laid along the length direction below the wing rails 1, and the wing rails 1, the fork core 4 and the guard rails 7 are all fixedly connected to the frog sleepers 5 to achieve the structural positioning of the frog.

[0035] Specific implementation method seven: Combination Figures 1 to 3 This embodiment is described. In this embodiment, a set of bolt assemblies includes two bolt assemblies, and the two bolt assemblies are arranged along the length direction of the wing rail 1. The undisclosed technical features in this embodiment are the same as those in the first embodiment.

[0036] Specific implementation method eight: Combination Figures 1 to 3 This embodiment is described. The bolt assembly in this embodiment includes a high-strength bolt 10, a locking washer 11 and a nut 12. The high-strength bolt 10 vertically passes through the reinforcing guard plate 9 on one side, the wing rail 1 on one side, the wing rail panel 2 on one side, the adjustment spacer plate group 3 on one side, the fork core 4, the adjustment spacer plate group 3 on the other side, the wing rail panel 2 on the other side, the wing rail 1 on the other side and the reinforcing guard plate 9 on the other side. The nut 12 is threadedly connected to the end of the high-strength bolt 10, and a locking washer 11 is provided between the nut 12 and the outer end surface of the reinforcing guard plate 9 on the other side. The technical features not disclosed in this embodiment are the same as those in the sixth embodiment.

[0037] Such a design realizes the locking among the reinforcement guard plate 9, the wing rail 1, the wing rail panel 2, the adjustment spacer plate group 3 and the fork core 4 through the high-strength bolts 10 and the nuts 12, so that the connected wing rail 1 can support and compensate the planed wing rail 1 through the reinforcement guard plate ⑼, the adjustment spacer plate group 3 and the fork core ⑷.

[0038] Specific implementation method nine: Combination Figures 1 to 3 This embodiment is described. The adjustment spacer plate group 3 described in this embodiment includes a spacer plate adjustment block A13, a spacer plate adjustment block B14 and a spacer plate 15. Two limiting grooves 15-1 are provided on the inner end surface of the spacer plate 15 along the length direction. The spacer plate adjustment block A13 is arranged in the limiting groove 15-1 on the front side, and the spacer plate adjustment block B14 is arranged in the limiting groove 15-1 on the rear side. The thickness of the spacer plate adjustment block A13 and the spacer plate adjustment block B14 are both greater than the groove depth of the limiting groove 15-1. The outer end surfaces of the spacer plate adjustment block A13 and the spacer plate adjustment block B14 match the side end surface of the fork core 4. The technical features not disclosed in this embodiment are the same as those in the specific embodiment eight.

[0039] Since the alloy steel frog is disassembled during the repair process, internal stress is released. How to restore the assembly parameters and facilitate adjustment is a key link in the repair process.

[0040] This embodiment provides a combined "adjustable spacer" structure, which overcomes the key difficulty that restricts the repair efficiency during the alloy steel frog repair process. The spacer 15 is provided with a limiting groove 15-1, which can limit the spacer adjustment block A13 and the spacer adjustment block B14 to a fixed horizontal position; the spacer adjustment block A13 and the spacer adjustment block B14 can meet the assembly parameter requirements by adjusting the angle and thickness size.

[0041] In this design, the gap size between the wing rail panel 2 and the fork core 4 is matched by the spacer adjustment block A13 and the spacer adjustment block B14. Different thicknesses of the spacer adjustment block A13 and the spacer adjustment block B14 are used according to the different gaps, so that the outer end faces of the spacer adjustment block A13 and the spacer adjustment block B14 are always matched with the side end faces of the fork core 4 to achieve an overall tight connection.

[0042] Specific implementation method ten: Combination Figures 1 to 3 To explain this embodiment, the high-strength bolts 10 on the front side of this embodiment pass through the spacer plate adjustment block A13, and the high-strength bolts 10 on the rear side pass through the spacer plate adjustment block B14. The undisclosed technical features of this embodiment are the same as those of the ninth embodiment.

[0043] By adjusting the spacer plate group 3, the repaired alloy steel frog can be connected in a predetermined order: outer reinforcement guard plate 9, wing rail 1, wing rail panel 2, adjustment spacer plate group 3, fork core 4, adjustment spacer plate group 3, wing rail panel 2, wing rail 1, outer reinforcement guard plate 9, and meet the assembly parameters and adjustment requirements.

[0044] This structure not only meets the connection function of the alloy steel frog after repair, but also has a convenient and reliable assembly parameter adjustment function.

[0045] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A double-sided reinforcement structure for alloy steel frog repair, characterized in that: The invention comprises two wing rail panels (2), two reinforcing guard plates (9), two adjusting spacer plate groups (3) and a group of bolt assemblies. The outer end surfaces of the two wing rails (1) are respectively provided with C-shaped grooves (1-1) along the length direction. The reinforcing guard plates (9) are embedded in the C-shaped grooves (1-1). The inner end surfaces of the two wing rails (1) are respectively provided with countersunk grooves (1-2) along the length direction. The wing rail panels (2) are arranged in the countersunk grooves (1-2). The fork core (4) is arranged between the two wing rail panels (2). An adjusting spacer plate group (3) is respectively arranged between each wing rail panel (2) and the fork core (4). The reinforcing guard plates (9), the wing rails (1), the wing rail panels (2), the adjusting spacer plate group (3) and the fork core (4) are fixedly connected by a group of bolt assemblies.

2. A double-sided support reinforcement structure for alloy steel frog repair according to claim 1, characterized in that: The length of the reinforcing guard plate (9) is greater than the length of the wing rail panel (2).

3. A double-sided support reinforcement structure for alloy steel frog repair according to claim 1, characterized in that: The upper end of the spot facing groove (1-2) is provided with a limiting groove (1-3) along the length direction, and the upper part of the inner end surface of the wing rail panel (2) is provided with a positioning edge (2-1) along the length direction, and the positioning edge (2-1) is arranged in the limiting groove (1-3).

4. A double-sided support reinforcement structure for alloy steel frog repair according to claim 3, characterized in that: The front and rear ends of the limiting groove (1-3) are both provided with oblique chamfers (1-4), and the front and rear ends of the positioning edge (2-1) are both provided with transition chamfers (2-2).

5. A double-sided support reinforcement structure for alloy steel frog repair according to claim 1, 2, 3 or 4, characterized in that: The wing rail (1) and the wing rail panel (2) are both completed by digital processing.

6. A double-sided support reinforcement structure for alloy steel frog repair according to claim 1, characterized in that: Two guard rails (7) are arranged at the rear side of the fork core (4); a spacer iron A (6) is arranged between each wing rail (1) and an adjacent guard rail (7); the spacer iron A (6) is arranged at the rear side of the wing rail panel (2); a spacer iron B (8) is arranged between the two wing rails (1); the spacer iron B (8) is arranged at the front side of the wing rail panel (2).

7. The double-sided support reinforcement structure for alloy steel frog repair according to claim 1, characterized in that: A set of bolt assemblies comprises two bolt assemblies, and the two bolt assemblies are arranged along the length direction of the wing rail (1).

8. A double-sided support reinforcement structure for alloy steel frog repair according to claim 6, characterized in that: The bolt assembly comprises a high-strength bolt (10), a locking washer (11) and a nut (12); the high-strength bolt (10) vertically passes through the reinforcing guard plate (9) on one side, the wing rail (1) on one side, the wing rail panel (2) on one side, the adjustment spacer plate group (3) on one side, the fork core (4), the adjustment spacer plate group (3) on the other side, the wing rail panel (2) on the other side, the wing rail (1) on the other side and the reinforcing guard plate (9) on the other side in order from front to back; the nut (12) is threadedly connected to the end of the high-strength bolt (10); and a locking washer (11) is provided between the nut (12) and the outer end surface of the reinforcing guard plate (9) on the other side.

9. A double-sided support reinforcement structure for alloy steel frog repair according to claim 8, characterized in that: The adjustment spacer plate group (3) comprises a spacer plate adjustment block A (13), a spacer plate adjustment block B (14) and a spacer plate (15); two limiting grooves (15-1) are provided on the inner end surface of the spacer plate (15) along the length direction; the spacer plate adjustment block A (13) is arranged in the limiting groove (15-1) on the front side; the spacer plate adjustment block B (14) is arranged in the limiting groove (15-1) on the rear side; the thickness of the spacer plate adjustment block A (13) and the spacer plate adjustment block B (14) are both greater than the groove depth of the limiting groove (15-1); and the outer end surfaces of the spacer plate adjustment block A (13) and the spacer plate adjustment block B (14) match the side end surface of the fork core (4).

10. A double-sided support reinforcement structure for alloy steel frog repair according to claim 9, characterized in that: The high-strength bolts (10) on the front side pass through the spacer plate adjustment block A (13), and the high-strength bolts (10) on the rear side pass through the spacer plate adjustment block B (14).

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