Insulating gauge apron for railway fastener

Abstract

The utility model discloses an insulating gauge apron for a railway fastener, which comprises a sleeper retaining shoulder, an insulating gauge apron, an under-rail backing plate and a steel rail, the under-rail backing plate is arranged on the sleeper retaining shoulder, the steel rail is arranged on the under-rail backing plate, the insulating gauge apron is arranged on one side of the under-rail backing plate on the sleeper retaining shoulder, and the insulating gauge apron is arranged on the other side of the under-rail backing plate. And lightening holes and through holes are formed in the surface of the insulating gauge apron. According to the insulation gauge apron, the lightening holes are formed, on the premise of the structural strength of the insulation gauge apron, on one hand, the weight of the insulation gauge apron is effectively reduced, on the other hand, the cost of the insulation gauge apron is reduced, two purposes are achieved, practicability is high, and the insulation gauge apron is worthy of popularization. According to the utility model, the wedging block and the wedging groove are arranged, and the wedging block on the insulation gauge apron is wedged with the wedging groove formed in the surface of the under-rail backing plate, so that the stability of the insulation gauge apron after installation can be improved, the insulation gauge apron and the under-rail backing plate can be attached more tightly, the structure is simple, and the stability is strong.

Description

Technical Field

[0001] The utility model relates to the technical field of railway fasteners, in particular to an insulating gauge tie plate for railway fasteners. Background Art

[0002] With the development of heavy-haul railway transportation, higher requirements are put forward for the structure, strength, service life, load-bearing capacity, and anti-aging ability of fasteners. Existing fasteners can no longer meet the development of heavy-haul railway transportation.

[0003] The existing technology has the following problems:

[0004] After a large number of searches, it is found that the Chinese patent publication number: CN218596770U discloses an insulating gauge tie plate for heavy-haul railway fasteners, including a left boss, a right boss, bolt holes, a left groove, a right groove, a first outer side, and a second outer side. Among them: the first outer side cooperates with the bottom side of the rail, the second outer side contacts the groove surface of the sleeper shoulder, the left boss and the right boss are symmetrically arranged on the left and right at one end close to the first outer side, the bolt holes are opened in the middle of the insulating gauge tie plate, and the left groove and the right groove are symmetrically opened on the left and right at one end close to the second outer side. Compared with the existing technology, the positive effect of this utility model is that the insulating gauge tie plate can limit the longitudinal movement of the elastic clip along the rail, ensuring the longitudinal stability of the fastener; while maintaining the insulating performance, it can also have a strong load-bearing capacity, greatly improving the strength and stability of the insulating gauge tie plate itself, as well as the anti-lateral load capacity of the fastener.

[0005] However, the above patent still has problems in actual use. Obviously, the insulating gauge tie plate is relatively heavy, which is not conducive to handling and transportation, and the production cost is relatively high.

[0006] Therefore, we propose an insulating gauge tie plate for railway fasteners to solve the above drawbacks. Content of the Utility Model

[0007] The purpose of the utility model is to provide an insulating gauge tie plate for railway fasteners to solve the disadvantages existing in the prior art.

[0008] To achieve the above purpose, the utility model adopts the following technical scheme: an insulating gauge tie plate for railway fasteners, including a sleeper shoulder, an insulating gauge tie plate, an under-rail pad, and a rail. The under-rail pad is arranged on the sleeper shoulder, and the rail is installed on the under-rail pad. An insulating gauge tie plate is arranged on one side of the under-rail pad on the sleeper shoulder, and weight-reducing holes and through holes are opened on the surface of the insulating gauge tie plate. An embedded sleeve is pre-embedded in the sleeper shoulder, a fastening bolt is penetrated through the through hole, and the fastening bolt is used in cooperation with the embedded sleeve.

[0009] Preferably, a fitting block is integrally provided on the surface of the insulating gauge block, a fitting groove is formed on the surface of the rail pad, and the fitting block fits with the fitting groove.

[0010] Preferably, a plurality of weight-reducing holes are provided, and the plurality of weight-reducing holes are equidistantly distributed on the surface of the insulating gauge block.

[0011] Preferably, the volume of the fitting groove is larger than the volume of the fitting block.

[0012] Preferably, one side surface of the insulating gauge block is attached to one side surfaces of the rail and the rail pad.

[0013] Preferably, the diameter of the through hole is larger than the diameter of the fastening bolt.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. In the present utility model, by providing weight-reducing holes, on the premise of the structural strength of the insulating gauge block, on the one hand, the weight of the insulating gauge block can be effectively reduced, and on the other hand, the cost of the insulating gauge block can be reduced, achieving two goals with one action, with strong practicability and worthy of promotion.

[0016] 2. In the present utility model, by providing a fitting block and a fitting groove, by fitting the fitting block on the insulating gauge block with the fitting groove formed on the surface of the rail pad, the stability of the insulating gauge block after installation can be improved, making the insulating gauge block fit more closely with the rail pad, and the structure is simple and the stability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model, and for those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 is a schematic structural diagram of an insulating gauge block for railway fasteners proposed by the present utility model;

[0019] Figure 2 is a three-dimensional view of the insulating gauge block, the through hole, the weight-reducing hole and the fitting block;

[0020] Figure 3 is Figure 1 an enlarged schematic view of A in

[0021] Legend:

[0022] 1. Sleeper shoulder; 2. Insulated gauge baffle; 3. Embedded casing; 4. Rail pad; 5. Rail; 6. Through hole; 7. Weight reduction hole; 8. Fitting block; 9. Fitting groove; 10. Fastening bolts. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Please refer to Figures 1-3 The insulated gauge baffle for railway fasteners comprises a sleeper shoulder 1, an insulating gauge baffle 2, a rail pad 4 and a rail 5. The sleeper shoulder 1 is provided with a rail pad 4, and the rail 5 is installed on the rail pad 4. The sleeper shoulder 1 is provided with an insulating gauge baffle 2 on one side of the rail pad 4, and a weight reduction hole 7 and a through hole 6 are opened on the surface of the insulating gauge baffle 2. An embedded sleeve 3 is embedded in the sleeper shoulder 1, and a fastening bolt 10 is penetrated in the through hole 6, and the fastening bolt 10 is used in conjunction with the embedded sleeve 3. By setting the weight reduction hole 7, on the premise of the structural strength of the insulating gauge baffle 2, on the one hand, the weight of the insulating gauge baffle 2 can be effectively reduced, and on the other hand, the cost of the insulating gauge baffle 2 can be reduced, thereby killing two birds with one stone, having strong practicality and being worthy of promotion.

[0026] In this embodiment: A fitting block 8 is integrally provided on the surface of the insulating gauge block 2, and a fitting groove 9 is formed on the surface of the tie plate 4, and the fitting block 8 fits with the fitting groove 9.

[0027] Specifically, by fitting the fitting block 8 on the insulating gauge block 2 with the fitting groove 9 formed on the surface of the tie plate 4, the stability of the insulating gauge block 2 after installation can be improved, making the insulating gauge block 2 fit more closely with the tie plate 4, and the structure is simple and the stability is strong.

[0028] In this embodiment: There are multiple weight-reducing holes 7, and the multiple weight-reducing holes 7 are equidistantly distributed on the surface of the insulating gauge block 2.

[0029] Specifically, the weight of the insulating gauge block 2 is effectively reduced, making handling more labor-saving.

[0030] In this embodiment: The volume of the fitting groove 9 is larger than the volume of the fitting block 8.

[0031] Specifically, the fitting block 8 can be inserted into the fitting groove 9 for cooperative use.

[0032] In this embodiment: One side surface of the insulating gauge block 2 is in contact with one side surfaces of the rail 5 and the tie plate 4.

[0033] Specifically, the lateral load transmitted by the rail 5 is transmitted to the sleeper shoulder 1 through the insulating gauge block 2, greatly improving the anti-lateral load capacity of the fastener.

[0034] In this embodiment: The diameter of the through hole 6 is larger than the diameter of the fastening bolt 10.

[0035] Specifically, the fastening bolt 10 can pass through the through hole 6.

[0036] Step 1, as Figure 1 shown, first install the tie plate 4 on the sleeper shoulder 1, and then install the rail 5 on the tie plate 4;

[0037] Step 2, install the insulating gauge block 2 of the present invention on both sides of the rail bottom of the rail 5, so that the outer side surface of the insulating gauge block 2 is in close contact and cooperative use with the side surface of the rail bottom of the rail 5;

[0038] Step 3, install the elastic clip, so that the root end of the elastic clip is placed in the insulating gauge block 2, the toe end of the elastic clip directly presses on the slope of the upper surface of the rail bottom of the rail 5, and at the same time, the middle limb of the elastic clip is placed on the insulating gauge block 2;

[0039] Step 4, install the flat washer and the fastening bolt 10, pass the fastening bolt 10 through the through hole 6 of the insulating gauge block 2, screw it into the embedded sleeve 3 and complete the fastening, completing the installation of the track fastener.

[0040] Working principle: When in use, by setting the weight-reducing holes 7, on the premise of the structural strength of the insulating gauge block 2, on the one hand, the weight of the insulating gauge block 2 can be effectively reduced, and on the other hand, the cost of the insulating gauge block 2 can be reduced, killing two birds with one stone, with strong practicability and worthy of popularization. Secondly, by fitting the fitting blocks 8 on the insulating gauge block 2 with the fitting grooves 9 opened on the surface of the under-rail pad 4, the stability of the insulating gauge block 2 after installation can be improved, making the insulating gauge block 2 fit more closely with the under-rail pad 4, and the structure is simple and the stability is strong.

[0041] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. Insulated gauge tie plate for railway fasteners, comprising a sleeper shoulder (1), an insulated gauge tie plate (2), an under-rail pad (4) and a rail (5), characterized in that, A sleeper shoulder (1) is provided with an under-rail pad (4), and a rail (5) is installed on the under-rail pad (4). An insulating gauge block (2) is arranged on one side of the under-rail pad (4) on the sleeper shoulder (1), and a weight-reducing hole (7) and a through-hole (6) are formed on the surface of the insulating gauge block (2). An embedded sleeve (3) is embedded in the sleeper shoulder (1). A fastening bolt (10) is arranged through the through-hole (6), and the fastening bolt (10) is used in cooperation with the embedded sleeve (3).

2. The insulating gauge tie plate for railway fasteners according to claim 1, wherein A fitting block (8) is integrally arranged on the surface of the insulating gauge block (2), and a fitting groove (9) is formed on the surface of the under-rail pad (4). The fitting block (8) fits with the fitting groove (9).

3. The insulating gauge tie plate for railway fasteners according to claim 1, characterized in that, A plurality of weight-reducing holes (7) are provided, and the plurality of weight-reducing holes (7) are equidistantly distributed on the surface of the insulating gauge block (2).

4. The insulating gauge tie plate for railway fasteners according to claim 2, wherein, The volume of the fitting groove (9) is larger than the volume of the fitting block (8).

5. The insulating gauge tie plate for railway fasteners according to claim 1, characterized in that, One side surface of the insulating gauge block (2) is attached to one side surfaces of the rail (5) and the under-rail pad (4).

6. The insulating gauge block for railway fasteners according to claim 1, characterized in that The diameter of the through-hole (6) is larger than the diameter of the fastening bolt (10).

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