Rail positioning and fastening device

Abstract

The utility model relates to the technical field of rail fixing, and discloses a rail positioning and fastening device which comprises a rail, a sleeper, a threaded groove and a fixing bolt, a sliding groove is formed in the upper surface of the sleeper, the inner wall of the sliding groove is in sliding connection with the side wall of the rail, a fixing pressing block is arranged above the threaded groove, a U-shaped through hole is formed in the surface of the fixing pressing block, and the U-shaped through hole is communicated with the sliding groove. An elastic steel bar is arranged above the fixed pressing block; rails, sleepers, threaded grooves, fixing bolts, sliding grooves, fixing pressing blocks, U-shaped through holes, elastic steel bars, reinforcing assemblies and the like are arranged and used in cooperation. When the rail is fixed, firstly, the bottom face of the rail slides into the sliding grooves, then the fixing bolts penetrate through the elastic steel bars and the U-shaped through holes to be in threaded connection with the threaded grooves to press the rail, the elastic steel bars exert upward force on the fixing bolts to prevent the fixing bolts from loosening, and the fixing strength of the fixing bolts is improved through the reinforcing assemblies; the fixing effect of the fixing pressing block for pressing the rail is improved, the fixing pressing block is prevented from loosening, and the fixing effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail fixing technical field, concretely is a rail positioning fastening device. BACKGROUND

[0002] Rail, also known as railway track, is simply called road rail, rail, track and so on, is used for railway, makes train walking track. Rail usually consists of two parallel steel rails, they are fixed on the sleeper, and keep a certain distance (called track gauge), so that the train can run smoothly on it.

[0003] But there are still the following problems:

[0004] Whether the rail can be fixed on the sleeper is related to the safe operation of the train, and if the rail fastening device is not firm, the rail fastening device is easy to separate from the rail, so that the rail cannot be fixed, and has certain safety hazard. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the problems in the prior art, and provides a rail positioning fastening device, which improves the stability of the fixed rail.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A rail positioning fastening device, including rail, sleeper, screw groove and fixed bolt, the upper surface of the sleeper is provided with a sliding groove, and the inner wall of the sliding groove is slidably connected with the side wall of the rail, the upper portion of the screw groove is provided with a fixed pressing block, and the surface of the fixed pressing block is provided with a U-shaped through hole, the upper portion of the fixed pressing block is provided with a spring steel bar, and the lower portion of the spring steel bar is provided with a reinforcing assembly.

[0008] Preferably, the reinforcing assembly comprises a plurality of spring grooves formed in the surface of the fixed pressing block, and the bottom surface of the spring groove is fixedly connected with a supporting spring, the other end of the supporting spring is fixedly connected with a supporting plate, and the surface of the supporting plate on one side of the U-shaped through hole is provided with a symmetrical through hole.

[0009] Preferably, the surface of the sleeper on one side of the screw groove is fixedly connected with a limiting strip, and the bottom surface of the fixed pressing block above the limiting strip is provided with a limiting groove, and the inner wall of the limiting groove is slidably connected with the side wall of the limiting strip.

[0010] Preferably, the two ends of the limiting strip are fixedly connected with a limiting plate.

[0011] Preferably, the bottom surface of the fixed pressing block on one side of the rail is provided with a plurality of strip grooves.

[0012] Preferably, the bottom surface of the fixed pressing block on one side of the strip groove is fixedly connected with an antiskid pad.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses, through setting up rail, sleeper, thread groove, fixed bolt, sliding slot, fixed pressing block, U -shaped through -hole, elastic reinforcing bar and reinforcing component cooperation use, when fixing the rail, first the bottom surface of the rail is slipped into the sliding slot, then fixed bolt is passed through elastic reinforcing bar and U -shaped through -hole and thread groove and is screwed down the rail, and elastic reinforcing bar will give fixed bolt an upward force, prevent fixed bolt loose, and through reinforcing component improves the fixed force of fixed bolt, improves the fixed effect of fixed pressing block and presses down the rail, prevents fixed pressing block loose, improves the fixed effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of a rail positioning fastening device that the utility model proposes;

[0016] Figure 2 It is the front view cross section structure schematic diagram of a rail positioning fastening device that the utility model proposes;

[0017] Figure 3 It is the side view cross section structure schematic diagram of a rail positioning fastening device that the utility model proposes; Figure 2 It is the structure schematic diagram of enlarged view in A place;

[0018] Figure 4 It is the side view cross section structure schematic diagram of a rail positioning fastening device that the utility model proposes;

[0019] Figure 5 It is the structure schematic diagram of enlarged view in B place. Figure 4

[0020] In the drawing: 1, rail;2, sleeper;3, thread groove;4, sliding slot;5, fixed pressing block;6, U -shaped through -hole;7, elastic reinforcing bar;8, fixed bolt;9, support spring;10, support plate;11, limit strip;12, limit slot;13, strip slot;14, antiskid pad;15, limit plate;16, through -hole;17, spring slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] Please refer to Figures 1-5 ​The utility model provides a rail positioning and fastening device, which comprises a rail 1, a sleeper 2, a threaded groove 3 and a fixing bolt 8, the upper surface of the sleeper 2 is provided with a sliding groove 4, the inner wall of the sliding groove 4 is in sliding connection with the side wall of the rail 1, the upper portion of the threaded groove 3 is provided with a fixed pressing block 5, the surface of the fixed pressing block 5 is provided with a U-shaped through hole 6, the upper portion of the fixed pressing block 5 is provided with a resilient reinforcing bar 7, and the lower portion of the resilient reinforcing bar 7 is provided with a reinforcing assembly.

[0023] From the above structure, the rail 1, the sleeper 2, the threaded groove 3, the fixing bolt 8, the sliding groove 4, the fixed pressing block 5, the U-shaped through hole 6, the resilient reinforcing bar 7 and the reinforcing assembly are used in cooperation to fix the rail 1, the bottom surface of the rail 1 is first slid into the sliding groove 4, then the fixing bolt 8 is screwed through the resilient reinforcing bar 7, the U-shaped through hole 6 and the threaded groove 3 to press the rail 1, the resilient reinforcing bar 7 provides an upward force to the fixing bolt 8 to prevent the fixing bolt 8 from loosening, the reinforcing assembly improves the fixing force of the fixing bolt 8, the fixed pressing block 5 improves the fixing effect of pressing the rail 1, and the fixed pressing block 5 is prevented from loosening to improve the fixing effect.

[0024] Further, the reinforcing assembly comprises a plurality of spring grooves 17 formed in the surface of the fixed pressing block 5, the bottom surface of each spring groove 17 is fixedly connected with a supporting spring 9, the other end of each supporting spring 9 is fixedly connected with a supporting plate 10, and the surface of each supporting plate 10 located on one side of the U-shaped through hole 6 is provided with a pair of symmetrical through holes 16; the spring grooves 17, the supporting springs 9, the supporting plates 10 and the through holes 16 are used in cooperation, when the fixing bolt 8 is fixedly connected with the threaded groove 3, the tightened fixing bolt 8 presses the supporting plate 10 through the resilient reinforcing bar 7, then the supporting plate 10 is pressed, the supporting spring 9 is compressed, the resilience of the supporting spring 9 pushes the supporting plate 10 and the resilient reinforcing bar 7 to push the fixing bolt 8 upward, then the supporting spring 9 and the resilient reinforcing bar 7 provide a double-layer upward pushing force to further prevent the fixing bolt 8 from loosening, improve the stability of the fixing bolt 8, and further improve the fixing effect of the fixed pressing block 5 in pressing the rail 1 to prevent the fixed pressing block 5 from loosening.

[0025] Further, the surface of the sleeper 2 on one side of the threaded groove 3 is fixedly connected with a limiting strip 11, the bottom surface of the fixed pressing block 5 located above the limiting strip 11 is provided with a limiting groove 12, and the inner wall of the limiting groove 12 is in sliding connection with the side wall of the limiting strip 11; the limiting strip 11 and the limiting groove 12 are used in cooperation, when the fixed pressing block 5 presses the rail 1, the limiting groove 12 is in sliding connection with the side wall of the limiting strip 11 to prevent the fixed pressing block 5 from sliding to one side and separating from the rail 1, and further improve the fixing effect.

[0026] Further, the two ends of the limiting strip 11 are fixedly connected with limiting plates 15; by arranging the limiting plates 15, a pointing positioning effect is provided for the fixed pressing block 5, so that when the limiting groove 12 on the bottom surface of the fixed pressing block 5 is in sliding connection with the limiting strip 11, the threaded groove 3 is in a perpendicular state with the U-shaped through hole 6 and the through hole 16, the fixed bolt 8 is conveniently screwed with the threaded groove 3, and the installation convenience is improved.

[0027] Further, a plurality of strip grooves 13 are arranged on the bottom surface of the fixed pressing block 5 on one side of the rail 1; by arranging the strip grooves 13, the roughness of the bottom surface of the fixed pressing block 5 is improved, the friction is increased, and the fixing effect is improved.

[0028] Further, the bottom surface of the fixed pressing block 5 on one side of the strip groove 13 is fixedly connected with a non-slip pad 14; by arranging the non-slip pad 14, the fixing effect is further improved.

[0029] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application.

Claims

1. A rail positioning and fastening device comprising a rail (1), a sleeper (2), a threaded slot (3) and a fixing bolt (8), characterized in that, The upper surface of the sleeper (2) is provided with a sliding groove (4), and the inner wall of the sliding groove (4) is in sliding connection with the side wall of the rail (1); the upper portion of the threaded groove (3) is provided with a fixed pressing block (5), and the surface of the fixed pressing block (5) is provided with a U-shaped through hole (6); the upper portion of the fixed pressing block (5) is provided with an elastic steel bar (7), and the lower portion of the elastic steel bar (7) is provided with a reinforcing assembly; the reinforcing assembly comprises a plurality of spring grooves (17) formed in the surface of the fixed pressing block (5), and the bottom surface of the spring groove (17) is fixedly connected with a supporting spring (9); the other end of the supporting spring (9) is fixedly connected with a supporting plate (10), and the surface of the supporting plate (10) located on one side of the U-shaped through hole (6) is provided with a symmetric through hole (16).

2. A rail location and fastening device according to claim 1, characterised in that, The surface of the sleeper (2) on one side of the threaded groove (3) is fixedly connected with a limiting strip (11), and the bottom surface of the fixed pressing block (5) located above the limiting strip (11) is provided with a limiting groove (12); the inner wall of the limiting groove (12) is in sliding connection with the side wall of the limiting strip (11).

3. A rail location and fastening device as claimed in claim 2, wherein, The both ends of the limiting strip (11) are fixedly connected with a limiting plate (15).

4. A rail positioning and fastening device according to claim 1 wherein, The bottom surface of the fixed pressing block (5) located on one side of the rail (1) is provided with a plurality of strip-shaped grooves (13).

5. A rail location and fastening device as defined in claim 4 wherein, The bottom surface of the fixed pressing block (5) located on one side of the strip-shaped groove (13) is fixedly connected with an anti-skid pad (14).

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