A deformation-resistant rail fastener

Abstract

The utility model relates to the technical field of rail fasteners, specifically a deformation-resistant rail fastener, including a bottom plate, two fixing mechanisms are arranged above the bottom plate, and the two fixing mechanisms are both equipped with buffer mechanisms, the fixing mechanisms include an L-shaped plate, and a plurality of internal threaded tubes are fixedly connected to one side of the short arm of the L-shaped plate. In the utility model, the internal threaded tube and the bottom plate are fixed to the sleeper by using a connecting piece, so that the two wave spring plates are against the track, the screw bolts are rotated to press the adjacent pressure plates, and a plurality of arc-shaped spring pieces and buffer pads are pressed on the track to fix the track, and the arc-shaped spring pieces, buffer pads and wave spring plates are against the track to absorb the vibration of the track, and when the track expands and contracts, the track can press the arc-shaped spring pieces, buffer pads and wave spring plates to deform the parts, thereby adapting to the expansion and contraction of the track.

Description

Technical Field

[0001] The utility model relates to the technical field of rail fasteners, in particular to a deformation-resistant rail fastener. Background Art

[0002] Rail fasteners are fastening parts used to connect sleepers to tracks. Their main function is to fix rails. Usually rail fasteners are made of steel, but they will deform to a certain extent during actual use. The main factor causing fastener deformation is track vibration. The vibration and shock waves generated when a train passes over the rails can cause the rails to vibrate. Long-term vibration and impact will affect the fasteners and may cause partial deformation of the fasteners, especially on curves, switches or uneven tracks. The deformation of the fasteners is more obvious, which is inconvenient. In addition, when the temperature changes, the rails will experience thermal expansion and contraction, which will cause the rails to squeeze the fasteners, which may cause the fasteners to deform, which is inconvenient. Utility Model Content

[0003] The purpose of the utility model is to provide a deformation-resistant rail fastener to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A deformation-resistant rail fastener comprises a bottom plate, two fixing mechanisms are arranged above the bottom plate, and the two fixing mechanisms are both equipped with a buffer mechanism;

[0006] The fixing mechanism includes an L-shaped plate, and a plurality of internal threaded tubes are fixedly connected to one side of the short arm of the L-shaped plate. A groove is provided on the bottom surface of the short arm of the L-shaped plate, and a wave spring plate is arranged inside the groove. A plurality of pressure plates are arranged below the bottom surface of the long arm of the L-shaped plate, and arc-shaped spring sheets are fixedly connected between two adjacent pressure plates.

[0007] Furthermore, a plurality of threaded holes are provided on the top surface of the L-shaped plate, and the plurality of threaded holes correspond to the plurality of pressure plates one by one, and screw bolts are screwed in the plurality of threaded holes.

[0008] Furthermore, the bottom surface of the long arm of the L-shaped plate is fixedly connected to the limiting frame, and the plurality of pressing plates are all located inside the limiting frame.

[0009] Furthermore, a plurality of bottom surfaces of the pressure plates are fixedly connected with buffer pads.

[0010] Furthermore, the buffer mechanism includes a connecting plate, and the connecting plate is located above the L-shaped plate, the top surface of the connecting plate is provided with two through holes, and the top surface of the L-shaped plate is provided with two screw-on holes, a U-shaped elastic bar is provided on one side of the connecting plate, and one end of the two arms of the U-shaped elastic bar is respectively fixedly connected to the two ends of the connecting plate, and a stop block is fixedly sleeved on one side of the U-shaped elastic bar.

[0011] Furthermore, two arc plates are arranged between the two arms of the U-shaped elastic bar, and the two arc plates are fixedly connected with rings at their ends, the inner walls of the two rings on the same arc plate are respectively fixedly sleeved with the two arms of the U-shaped elastic bar, the top surface of the connecting plate is fixedly connected with the limiting plate, and the bottom surface of the limiting plate is fixedly connected with the fixing plate, the fixing plate is fixedly connected with a connecting rod, a cutting groove is opened on one side of the two arc plates, and the two ends of the connecting rod are respectively located inside the two cutting grooves.

[0012] Furthermore, a buffer plate is arranged below the bottom plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Place the track on the base plate, then screw the connector into the internal threaded tube and pass it through the base plate to connect with the sleepers, so that the L-shaped plate is fixed on the base plate, and the two wave spring plates are against the track, and then a plurality of screw-in bolts are screwed to press the adjacent pressure plates, and a plurality of arc-shaped springs and buffer pads are pressed on the track to fix the track, and the arc-shaped springs, buffer pads and wave spring plates are against the track to absorb the vibration of the track, and when the track expands and contracts, the track can press the arc-shaped springs, buffer pads and wave spring plates to deform the parts, thereby adapting to the thermal expansion and contraction of the track.

[0015] 2. When the track vibrates, the vibration generated by the track can be shared by the U-shaped spring bar, and the vibration of the U-shaped spring bar can be absorbed by the adjacent arc plate, thereby performing secondary absorption of the vibration and impact of the track and reducing the possibility of fastener deformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the positional relationship between the fixing mechanism and the buffer mechanism in the utility model;

[0018] Figure 3 It is an exploded view of the fixing mechanism structure in the utility model;

[0019] Figure 4 It is an exploded view of the fixing mechanism and the buffer mechanism structure in the utility model.

[0020] In the figure: 100, bottom plate; 200, buffer plate; 300, fixing mechanism; 310, L-shaped plate; 311, groove; 320, internal threaded tube; 330, wave spring plate; 340, pressure plate; 341, buffer pad; 342, arc-shaped spring piece; 350, limit frame; 400, buffer mechanism; 410, connecting plate; 420, U-shaped spring strip; 421, stop block; 430, arc-shaped plate; 431, collar; 432, cutting groove; 440, limit plate; 441, connecting rod. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figures 1 to 4 In an embodiment of the utility model, a deformation-resistant rail fastener includes a bottom plate 100, two fixing mechanisms 300 are arranged above the bottom plate 100, and the two fixing mechanisms 300 are both equipped with a buffer mechanism 400;

[0023] The fixing mechanism 300 includes an L-shaped plate 310, and a plurality of internal threaded tubes 320 are fixedly connected to one side of the short arm of the L-shaped plate 310. A groove 311 is provided on the bottom surface of the short arm of the L-shaped plate 310, and a wave spring plate 330 is arranged inside the groove 311. A plurality of pressure plates 340 are arranged below the bottom surface of the long arm of the L-shaped plate 310, and an arc-shaped spring piece 342 is fixedly connected between two adjacent pressure plates 340.

[0024] Specifically, a circular through hole is provided on the top surface of the bottom plate 100. The L-shaped plate 310 and the bottom plate 100 are initially separated. During installation, the long bolts can be screwed into the internal threaded tube 320 and then passed through the circular through hole on the bottom plate 100 to be connected with the sleepers, so that the L-shaped plate 310 is fixed on the bottom plate 100, and the bottom plate 100 is fixed on the sleepers. At this time, the bottoms of the two opposite sides of the track are respectively in contact with the two wave spring plates 330. When the train runs on the track, the vibration of the track can be absorbed by the wave spring plates 330, and a plurality of arc-shaped spring plates 342 are pressed on the top surface of the two protrusions under the I-shaped track, so that the track is fixed. It is fixed on the bottom plate 100. When the train passes through the track, the vibration of the track can be absorbed by multiple arc-shaped spring pieces 342. The wave spring plate 330 is a wave-shaped elastic plate. The wave spring plate 330 and the arc-shaped spring piece 342 are both made of spring steel and have excellent elasticity. Therefore, when the track vibrates, the vibration can be absorbed by the arc-shaped spring piece 342 and the wave spring plate 330 to reduce the possibility of deformation of the fasteners. When the track expands and contracts due to temperature, the track can press the deformed parts of the wave spring plate 330 and the arc-shaped spring piece 342, so that the fixing mechanism 300 can adapt to the expansion and contraction of the track, so that the wave spring plate 330 and the arc-shaped spring piece 342 always resist the fixed track.

[0025] Embodiment 1

[0026] like Figure 2-4As shown, in the present embodiment, a plurality of threaded holes are provided on the top surface of the L-shaped plate 310, and the plurality of threaded holes correspond one-to-one to the plurality of pressure plates 340, and screw bolts are screwed in the plurality of threaded holes, the bottom surface of the long arm of the L-shaped plate 310 is fixedly connected to the limiting frame 350, and the plurality of pressure plates 340 are all located inside the limiting frame 350, and the bottom surfaces of the plurality of pressure plates 340 are fixedly connected to the buffer pads 341.

[0027] In this embodiment, in the initial state, the multiple pressure plates 340 and the L-shaped plate 310 are in a separated state, which is convenient for users to install. The user can place the multiple pressure plates 340 on the top surface of the lower protrusions on both sides of the I-shaped track, and then the user rotates the screw-in bolts to make the bolts press the adjacent pressure plates 340, press the pressure plates 340 on the track, and fix the track. The pressure plates 340 can be limited by the limit frame 350 to prevent the pressure plates 340 from being separated from the adjacent screw-in bolts when the screw-in bolts are rotated. When the screw-in bolts are rotated, the pressure plates 340 can press the buffer pads 341 on the track. When the track vibrates, the buffer pads 341 are used to absorb the vibration of the track.

[0028] like Figure 3-4 As shown, in this embodiment, the buffer mechanism 400 includes a connecting plate 410, and the connecting plate 410 is located above the L-shaped plate 310, the top surface of the connecting plate 410 is provided with two through holes, and the top surface of the L-shaped plate 310 is provided with two screw holes, a U-shaped spring bar 420 is provided on one side of the connecting plate 410, and one end of the two arms of the U-shaped spring bar 420 is fixedly connected to the two ends of the connecting plate 410, a stop block 421 is fixedly sleeved on one side of the U-shaped spring bar 420, and two arc-shaped spring bars 420 are provided between the two arms. Plate 430, and the two curved plates 430 are fixedly connected with rings 431 at their ends, the inner walls of the two rings 431 on the same curved plate 430 are respectively fixedly sleeved with the two arms of the U-shaped elastic strip 420, the top surface of the connecting plate 410 is fixedly connected with a limiting plate 440, and the bottom surface of the limiting plate 440 is fixedly connected with a fixing plate, and the fixing plate is fixedly connected with a connecting rod 441, and a cutting groove 432 is opened on one side of the two curved plates 430, and the two ends of the connecting rod 441 are respectively located inside the two cutting grooves 432.

[0029] In specific implementation, after the two fixing mechanisms 300 are installed on the bottom plate 100, the user places the two connecting plates 410 on the top surfaces of the two L-shaped plates 310, and then selects appropriate bolts to pass through the through holes on the connecting plates 410 and then screw them with the adjacent screwing holes, so that the two connecting plates 410 are respectively fixed on the top surfaces of the two L-shaped plates 310, and the abutment blocks 421 on the two U-shaped spring bars 420 abut against the opposite sides of the track, and the two U-shaped spring bars 420 absorb the vibration of the track. The U-shaped spring bars 420 are made of spring steel. At the same time, when the U-shaped spring bar 420 absorbs vibration, it will be driven to vibrate by the track. The arc plate 430 is made of spring steel. The arc plate 430 forms an arc frame structure by cutting grooves 432. The arc edge strips of the arc frame-shaped arc plate 430 are elastic. When the U-shaped spring bar 420 vibrates, the arc plate 430 can absorb the vibration of the U-shaped spring bar 420 through its own elasticity, thereby performing secondary absorption of the track vibration, and the arc plate 430 is limited by the limiting plate 440 and the connecting rod 441 to prevent the arc plate 430 from excessive deformation.

[0030] Embodiment 2

[0031] On the basis of the first embodiment, the vibration of the rail is reduced by providing a buffer plate 200 .

[0032] like Figure 1 As shown, in this embodiment, a buffer plate 200 is disposed below the bottom plate 100 .

[0033] In specific implementation, when installing the base plate 100, the buffer plate 200 is placed on the sleeper, and the long bolts are passed through the buffer plate 200. When the track vibrates, the track vibration can be absorbed by the buffer plate 200 to prevent the vibration from affecting the connection firmness between the sleeper and the base plate 100.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A deformation-resistant rail fastener, comprising a base plate (100), characterized in that: Two fixing mechanisms (300) are arranged above the bottom plate (100), and the two fixing mechanisms (300) are both equipped with a buffer mechanism (400); The fixing mechanism (300) comprises an L-shaped plate (310), and a plurality of internal threaded cylinders (320) are fixedly connected to one side of the short arm of the L-shaped plate (310), a groove (311) is provided on the bottom surface of the short arm of the L-shaped plate (310), and a wave spring plate (330) is arranged inside the groove (311), and a plurality of pressing plates (340) are arranged below the bottom surface of the long arm of the L-shaped plate (310), and arc-shaped spring sheets (342) are fixedly connected between two adjacent pressing plates (340).

2. The anti-deformation rail fastener according to claim 1, characterized in that: The top surface of the L-shaped plate (310) is provided with a plurality of threaded holes, and the plurality of threaded holes correspond one-to-one to the plurality of pressing plates (340), and screw bolts are screwed into the interiors of the plurality of threaded holes.

3. The anti-deformation rail fastener according to claim 2, characterized in that: The bottom surface of the long arm of the L-shaped plate (310) is fixedly connected to the limiting frame (350), and the plurality of pressing plates (340) are all located inside the limiting frame (350).

4. The anti-deformation rail fastener according to claim 3, characterized in that: The bottom surfaces of the plurality of pressing plates (340) are all fixedly connected with a buffer pad (341).

5. The anti-deformation rail fastener according to claim 4, characterized in that: The buffer mechanism (400) comprises a connecting plate (410), and the connecting plate (410) is located above the L-shaped plate (310), the top surface of the connecting plate (410) is provided with two through holes, and the top surface of the L-shaped plate (310) is provided with two screw holes, a U-shaped elastic bar (420) is arranged on one side of the connecting plate (410), and one end of two arms of the U-shaped elastic bar (420) is respectively fixedly connected to two ends of the connecting plate (410), and a stop block (421) is fixedly sleeved on one side of the U-shaped elastic bar (420).

6. The anti-deformation rail fastener according to claim 5, characterized in that: Two arc-shaped plates (430) are arranged between the two arms of the U-shaped elastic strip (420), and the two arc-shaped plates (430) are fixedly connected with collars (431) at their outer ends. The inner side walls of the two collars (431) on the same arc-shaped plate (430) are respectively fixedly sleeved with the two arms of the U-shaped elastic strip (420). The top surface of the connecting plate (410) is fixedly connected with a limiting plate (440), and the bottom surface of the limiting plate (440) is fixedly connected with a fixing plate. The fixing plate is fixedly connected with a connecting rod (441). Cutting grooves (432) are provided on one side of the two arc-shaped plates (430), and the two ends of the connecting rod (441) are respectively located inside the two cutting grooves (432).

7. The anti-deformation rail fastener according to claim 6, characterized in that: A buffer plate (200) is arranged below the bottom plate (100).

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