High-stability steel rail connecting fastener

Abstract

The utility model discloses a high-stability steel rail connecting fastener which comprises a plurality of sleeper bodies, steel rail bodies are arranged on the two sides of the tops of the sleeper bodies, and connecting fasteners used for connecting the steel rail bodies are installed on the tops of the sleeper bodies. By means of the arrangement of the connecting unit, after the steel rail buckle plate and the steel rail body are fixed through the screw rod and the hexagon nut, the locking block is placed on the top of the steel rail buckle plate, the vertical plate is inserted into the inserting groove, the locking block is fixed, and in the process that the locking block presses down the vertical plate and inserts the vertical plate into the inserting groove, the locking block is fixed in the descending process. The locking groove in one side of the bottom of the steel rail body covers the surface of the screw and the surface of the hexagonal nut, the locking groove is attached to the hexagonal nut through the shape of the locking groove, the hexagonal nut and the screw are locked, and therefore the situation that the screw loosens and retreats during vibration, and consequently the steel rail body loosens can be prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rail fastening, in particular to a high-stable rail connecting fastening. BACKGROUND

[0002] Rail fastening is a kind of intermediate connecting parts, by which rail and track accessory of machine lower part are fastened, and is divided into two categories of wooden sleeper line fastening and concrete sleeper line fastening according to sleeper types, but most of the rail fastenings on the market still have some deficiencies at present.

[0003] For example, in the prior art, a kind of connecting stable rail fastening with authorization announcement number "CN218404859U" is shown, the upper and lower ends of vertical bolt are fixed by hexagon nut and insulating sleeve respectively, although it can have the advantages of facilitating the combination installation of each component and improving the overall installation firmness.

[0004] However, the prior art still has great deficiencies, such as:

[0005] In the prior art, the device uses bolts and nuts as a fixed connection structure, however, vibration generated by train running and rail is inevitable, and in the long-term working process, the bolts are easily loosened and returned due to continuous vibration, which can easily lead to loosening of the rail and affect the stability of train running. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a high-stable rail connecting fastening to solve the problems raised in the above background technology.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a high-stable rail connecting fastening, comprising a plurality of sleeper bodies, and a rail body is arranged on both sides of the top of each sleeper body, a connecting fastening for connecting the rail body is installed on the top of each sleeper body;

[0008] The connecting fastening comprises a plastic pad plate installed between the sleeper body and the rail body, a steel pad plate is installed on the top of the plastic pad plate, and a rail clamping plate for installing the rail body is installed on both sides of the top of the steel pad plate.

[0009] A connecting unit is installed on the top of each rail clamping plate to improve the stability of the rail clamping plate and the rail body.

[0010] Preferably, the connecting unit comprises two gaskets installed on the top of the rail clamping plate, and a hexagon nut is arranged on the top of each gasket.

[0011] The inner part of each of the two hexagonal nuts is threadedly connected with a screw rod, and the bottom end of each of the two screw rods penetrates the rail fastening plate, the steel base plate, the plastic base plate and the sleeper body in sequence and is threadedly connected with the sleeper body.

[0012] Preferably, the surface of each of the two rail fastening plates is provided with a slot.

[0013] The top of each of the two rail fastening plates is provided with a locking block, the bottom of the locking block is provided with a locking slot, the bottom of the locking block is fixedly provided with a vertical plate, and the vertical plate penetrates the slot and extends into the inner part of the rail fastening plate.

[0014] Preferably, the inner part of the locking block is provided with a mounting cavity, the inner part of the mounting cavity is slidably provided with a piston plate, one side of the piston plate is fixedly provided with a limiting block, one side of the limiting block penetrates the slot and extends into the inner part of the vertical plate, and the other side of the piston plate is fixedly provided with a spring.

[0015] Preferably, the limiting block is wedge-shaped, and the wedge surface of the limiting block is slidably connected with one side of the top of the rail fastening plate.

[0016] Preferably, the shape of the locking slot is the same as that of the hexagonal nut, and the locking block is arranged on the top of the hexagonal nut and the screw rod by means of the locking slot.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. When the screw rod and the hexagonal nut are fixed on the rail fastening plate and the rail body, the locking block is arranged on the top of the rail fastening plate, the vertical plate is inserted into the inner part of the slot, and the locking block is fixed.

[0019] 2. When the vertical plate is inserted into the inner part of the slot, the rail fastening plate pushes the limiting block, the limiting block is automatically pushed into the inner part of the vertical plate by the elasticity of the spring, the locking block and the rail fastening plate are locked, and the locking block is prevented from loosening after installation, so that the locking slot can lock the hexagonal nut and the screw rod. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is a split structure schematic view of the utility model;

[0022] Figure 3 It is a connecting fastener structure schematic view of the utility model;

[0023] Figure 4 It is a utility model Figure 3 It is an enlarged structure schematic view of A place in the middle;

[0024] Figure 5 It is a split structure schematic view of the utility model locking block.

[0025] In the figure: 1, the sleeper body; 2, the steel rail body; 3, connecting fastener; 31, plastic pad; 32, steel pad; 33, steel rail clamping plate; 34, connecting unit; 341, gasket; 342, hexagonal nut; 343, screw rod; 344, slot; 345, locking block; 346, locking groove; 347, vertical plate; 348, installation cavity; 349, piston plate; 3401, limiting block; 3402, spring. DETAILED DESCRIPTION

[0026] 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides a kind of technical solutions: a kind of high stable steel rail connecting fastener, including several sleeper body 1, and the top of several sleeper body 1 Both sides are provided with steel rail body 2, the top of sleeper body 1 is equipped with the connecting fastener 3 for being connected to steel rail body 2;

[0028] Connecting fastener 3 includes plastic pad 31 installed between sleeper body 1 and steel rail body 2, the top of plastic pad 31 is equipped with steel pad 32, and the top of steel pad 32 Both sides are equipped with steel rail clamping plate 33 for being installed to steel rail body 2;

[0029] The top of two steel rail clamping plates 33 is equipped with connecting unit 34, to be used for improving the stability of steel rail clamping plate 33 and steel rail body 2.

[0030] Refer to Figure 2 、 Figure 3 And Figure 4As shown in FIGS. 1-2, the connecting unit 34 comprises two spacers 341 mounted on the top of the rail clamping plate 33, and the top of each of the two spacers 341 is provided with a hexagonal nut 342; the interior of each of the two hexagonal nuts 342 is threadedly connected with a screw rod 343, and the bottom end of each of the two screw rods 343 penetrates through the rail clamping plate 33, the steel pad plate 32, the plastic pad plate 31 and the sleeper body 1 in sequence and is threadedly connected with the sleeper body 1.

[0031] In the embodiment, the plastic pad plate 31 and the steel pad plate 32 are mounted on the top of the sleeper body 1, the steel rail body 2 is placed on the top of the steel pad plate 32, and then the two sides of the steel rail body 2 are compressed by the rail clamping plate 33, and after the rail clamping plate 33 is mounted on the top of the steel pad plate 32, the screw rod 343 penetrates into the interior of the sleeper body 1, and the steel rail body 2 is fixed and mounted by the threaded connection of the hexagonal nut 342 and the screw rod 343.

[0032] Referring to FIGS. 1-2, Figure 3 , Figure 4 and Figure 5 , the surface of each of the two rail clamping plates 33 is provided with a slot 344; the top of each of the two rail clamping plates 33 is mounted with a locking block 345, the bottom of the locking block 345 is provided with a locking groove 346, the bottom of the locking block 345 is fixedly mounted with a vertical plate 347, the vertical plate 347 penetrates through the slot 344 and extends into the interior of the rail clamping plate 33; the shape of the locking groove 346 is the same as that of the hexagonal nut 342, and the locking block 345 is covered on the top of the hexagonal nut 342 and the screw rod 343 by the locking groove 346.

[0033] In the embodiment, when the screw rod 343 and the hexagonal nut 342 are fixed on the rail clamping plate 33 and the steel rail body 2, the locking block 345 is placed on the top of the rail clamping plate 33, and the vertical plate 347 is inserted into the interior of the slot 344 to fix the locking block 345, and in the process of pressing the vertical plate 347 into the slot 344, the locking groove 346 on the bottom side of the locking block 345 covers the surface of the screw rod 343 and the hexagonal nut 342, and is fitted with the hexagonal nut 342 by the shape of the locking groove 346, so as to lock the hexagonal nut 342 and the screw rod 343, thereby preventing the screw rod 343 from loosening and retreating in vibration, and preventing the steel rail body 2 from loosening.

[0034] Referring to FIGS. 1-2, Figure 3 and Figure 5As shown, the inside of the locking block 345 is provided with a mounting cavity 348, the inside of the mounting cavity 348 is slidably installed with a piston plate 349, one side of the piston plate 349 is fixedly installed with a limiting block 3401, and one side of the limiting block 3401 penetrates the slot 344 and extends to the inside of the vertical plate 347, the other side of the piston plate 349 is fixedly installed with a spring 3402; the shape of the limiting block 3401 is wedge-shaped, and the wedge surface of the limiting block 3401 is slidably connected with one side of the top of the rail clamping plate 33;

[0035] In this embodiment, when the vertical plate 347 is lowered and inserted into the inside of the slot 344, the rail clamping plate 33 pushes the limiting block 3401 to retreat to the inside of the mounting cavity 348, and after the locking block 345 is completely lowered and coincides with one side of the slot 344, the limiting block 3401 is automatically popped into the inside of the vertical plate 347 by the elasticity of the spring 3402, so as to lock the locking block 345 and the rail clamping plate 33, avoiding the loosening of the locking block 345 after installation, and affecting the locking of the hexagonal nut 342 and the screw rod 343 by the locking slot 346.

[0036] Working principle: install the plastic base plate 31 and the steel base plate 32 on the top of the sleeper body 1, place the rail body 2 on the top of the steel base plate 32, and then use the rail clamping plate 33 to compress the two sides of the rail body 2, and after the rail clamping plate 33 is installed on the top of the steel base plate 32, the screw rod 343 is penetrated into the inside of the sleeper body 1, and the rail body 2 is fixedly installed by the threaded connection of the hexagonal nut 342 and the screw rod 343.

[0037] And after the rail body 2 is fixed, place the locking block 345 on the top of the rail clamping plate 33, and insert the vertical plate 347 into the inside of the slot 344 to fix the locking block 345, and in the process of lowering the vertical plate 347 and inserting it into the slot 344, the locking slot 346 on one side of the bottom of the locking block 345 covers the surface of the hexagonal nut 342 and the screw rod 343, and the shape of the locking slot 346 is fitted with the hexagonal nut 342 to lock the hexagonal nut 342 and the screw rod 343.

[0038] And at the same time that the vertical plate 347 is lowered and inserted into the inside of the slot 344, the rail clamping plate 33 pushes the limiting block 3401 to retreat to the inside of the mounting cavity 348, and after the locking block 345 is completely lowered and coincides with one side of the slot 344, the limiting block 3401 is automatically popped into the inside of the vertical plate 347 by the elasticity of the spring 3402, so as to lock the locking block 345 and the rail clamping plate 33.

[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-stability rail connection fastener, comprising a plurality of sleeper bodies (1), wherein rail bodies (2) are provided on both sides of the top of the plurality of sleeper bodies (1), characterized in that: The top of the sleeper body (1) is equipped with a connecting fastener (3) for connecting the rail body (2). The connecting fastener (3) includes a plastic pad (31) installed between the sleeper body (1) and the rail body (2). A steel pad (32) is installed on the top of the plastic pad (31), and rail fasteners (33) for installing the rail body (2) are installed on both sides of the top of the steel pad (32). A connecting unit (34) is installed on the top of each of the two rail fasteners (33) to improve the stability of the rail fasteners (33) and the rail body (2).

2. The high-stability rail connecting fastener according to claim 1, characterized in that: The connecting unit (34) includes two gaskets (341) installed on the top of the rail buckle plate (33), and each of the two gaskets (341) is provided with a hexagonal nut (342). Both hexagonal nuts (342) are internally threaded with screws (343), and the bottom ends of both screws (343) pass through the rail fastening plate (33), the steel pad (32), the plastic pad (31) and the sleeper body (1) in sequence and are threadedly connected to the sleeper body (1).

3. The high-stability rail connecting fastener according to claim 2, characterized in that: Both of the rail fastener plates (33) have slots (344) on their surfaces; Locking blocks (345) are installed on the top of both rail fasteners (33). Locking grooves (346) are provided at the bottom of the locking blocks (345). A vertical plate (347) is fixedly installed at the bottom of the locking blocks (345). The vertical plate (347) passes through the slot (344) and extends into the interior of the rail fasteners (33).

4. The high-stability rail connecting fastener according to claim 3, characterized in that: The locking block (345) has an installation cavity (348) inside. A piston plate (349) is slidably installed inside the installation cavity (348). A limit block (3401) is fixedly installed on one side of the piston plate (349), and one side of the limit block (3401) passes through the slot (344) and extends into the interior of the vertical plate (347). A spring (3402) is fixedly installed on the other side of the piston plate (349).

5. A high-stability rail connecting fastener according to claim 4, characterized in that: The limiting block (3401) is wedge-shaped, and the wedge-shaped surface of the limiting block (3401) is slidably connected to one side of the top of the rail fastener (33).

6. A high-stability rail connecting fastener according to claim 3, characterized in that: The locking groove (346) has the same shape as the hexagonal nut (342), and the locking block (345) covers the top of the hexagonal nut (342) and the screw (343) using the locking groove (346).

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