A railway track fastening device

Abstract

This utility model discloses a railway track fastening device, including a sleeper, a rail, a fastening body, a B-type elastic clip, and a spiral spike. The sleeper has an inner groove at its upper end, and the fastening body is fixedly installed in the inner groove. The rail and the fastening body are fixed to the sleeper by a fixing part. The fastening body consists of an iron pad, a lower pad, an iron pad, and a rail pad arranged sequentially from bottom to top. The upper sides of the iron pad have protrusions, and the upper ends of the protrusions have inner grooves. The B-type elastic clip is fixed by the spiral spike, and one end of the B-type elastic clip abuts against the inner groove. The iron pad has a protrusion on one side inside the protrusion, and the rail pad is engaged between the protrusions. This utility model can effectively solve the problem of dimensional instability caused by moisture absorption in the prior art, and improve the gauge accuracy and track safety.

Description

Technical Field

[0001] This utility model relates to the field of railway track technology, and more specifically to a railway track fastening device. Background Technology

[0002] Railway track fasteners, as connecting components between rails and sleepers, not only serve to fix the rails but also have a certain vibration reduction function.

[0003] Existing railway track fastening devices, as shown in the attached diagram of the instruction manual. Figure 1 As shown, the original base plate in the railway track fastening device is a nylon base plate. The existing technology has the following problems: due to the high moisture absorption of the nylon base plate, it is prone to dimensional changes in high temperature or continuous rainy weather, resulting in insufficient stability of the rail gauge and other dimensions, which affects the safety of line operation. Therefore, this utility model proposes a railway track fastening device. Utility Model Content

[0004] The purpose of this utility model is to provide a railway track fastening device that can effectively solve the problem of dimensional instability caused by moisture absorption in the prior art, and improve track gauge accuracy and track safety.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A railway track fastening device includes a sleeper, a rail, a fastener body, a B-type elastic clip, and a spiral spike. The sleeper has an inner groove at its upper end, and the fastener body is fixedly installed in the inner groove. The rail and the fastener body are fixed to the sleeper by a fixing part. The fastener body consists of an iron pad, a lower pad, an iron pad, and a rail pad arranged sequentially from bottom to top. The upper sides of the iron pad have protrusions, and the upper ends of the protrusions have inner grooves. The B-type elastic clip is fixed by the spiral spike, and one end of the B-type elastic clip abuts against the inner groove. The iron pad has a protrusion on one side inside the protrusion, and the rail pad is engaged between the protrusions.

[0007] Furthermore, the rail is located on the upper end of the rail pad, and insulating gauge blocks are provided on both sides of the rail pad, with the insulating gauge blocks abutting against the rail respectively.

[0008] Furthermore, the fixing part includes mounting holes on both sides of the bottom of the embedded groove, and a pre-embedded sleeve is embedded and fixed in the mounting hole. The spiral rail spike passes through the B-type elastic bar, the iron pad plate and the lower pad plate of the iron pad plate in sequence and is inserted into the corresponding pre-embedded sleeve and fixedly connected to the pre-embedded sleeve. The end of the B-type elastic bar away from the iron pad plate abuts against the insulating gauge block.

[0009] Furthermore, a rail height adjustment pad is provided between the rail pad and the iron pad.

[0010] Furthermore, an adjusting pad is provided between the iron pad and the lower iron pad.

[0011] Furthermore, wrapping material is fixedly installed on both sides of the rail.

[0012] Furthermore, fastener covers are fixedly provided on both sides of the upper end of the fastener body, and the side of the fastener cover away from the fastener body abuts against the corresponding wrapping material.

[0013] The beneficial effects of this utility model are as follows: The fastener body is composed of multiple layers of pads, and the iron pads replace the nylon substrate, which can effectively suppress dimensional changes in high temperature or humid environments. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0015] Figure 1 This is a schematic diagram of the existing technology structure;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the present invention;

[0017] Figure 3 This is a schematic diagram of the iron pad structure of this utility model.

[0018] Reference numerals in the attached diagram: 1. Embedded sleeve; 2. Lower pad of iron pad; 3. Iron pad; 301. Protrusion; 302. Protrusion; 303. Inner groove; 4. Type B elastic bar; 5. Flat washer; 6. Spiral rail spike; 7. Rail height adjustment pad; 8. Insulated gauge block; 9. Rail pad; 10. Fastener cover; 11. Lower height adjustment pad of iron pad; 12. Wrapping material; 13. Rail; 14. Sleeper; 15. Inner groove. Detailed Implementation

[0019] like Figure 2 As shown, in this specific embodiment, a railway track fastening device includes a sleeper 14, a rail 13, a fastener body, a B-type elastic bar 4, and a spiral spike 6. The upper end of the sleeper 14 is provided with an inner groove 15, and the fastener body is fixedly installed in the inner groove 15. The rail 13 and the fastener body are fixed to the sleeper 14 through a fixing part.

[0020] The fastener body consists of, from bottom to top, a lower iron pad 2, an iron pad 3, and a rail pad 9. All three are made of materials with strong weather resistance and low moisture absorption, thus fundamentally solving the problem of moisture absorption and deformation of the nylon substrate, making it suitable for high-temperature and rainy environments.

[0021] like Figure 2 and Figure 3As shown, the upper end of the iron pad 3 has protrusions 302 on both sides, and the upper end of the protrusions 302 has an inner groove 303. The B-type spring strip 4 is fixed by the spiral rail nail 6. One end of the B-type spring strip 4 abuts against the inner groove 303. The iron pad 3 is set to replace the nylon substrate to play the role of compression and fixation. It has strong weather resistance and low moisture absorption, which completely solves the problem of dimensional instability in high temperature and humid environment. In addition, the setting of the inner groove 303 can enhance the overall stability of the B-type spring strip 4.

[0022] The iron pad 3 has a protrusion 301 on one side inside the protrusion 302. The rail pad 9 is locked between the protrusions 301. The pad displacement is directly suppressed by the locking and limiting structure of the protrusions 301 on both sides of the iron pad 3 and the rail pad 9, so as to prevent the track gauge deviation caused by moisture absorption in high temperature and humid environment.

[0023] The rail 13 is located on the upper end of the rail pad 9. Insulating gauge blocks 8 are provided on both sides of the rail pad 9. The insulating gauge blocks 8 abut against the rail 13 respectively. The insulating gauge blocks 8 are made of high-strength insulating material, which can not only accurately control the gauge, but also block stray currents and effectively reduce the risk of lightning strikes.

[0024] The fixing part includes an inner groove 15 with mounting holes on both sides of the bottom. A pre-embedded sleeve 1 is embedded and fixed in the mounting hole. The spiral rail spike 6 passes through the B-type elastic strip 4, the iron pad 3 and the lower pad 2 of the iron pad in sequence and is inserted into the corresponding pre-embedded sleeve 1 and fixedly connected to the pre-embedded sleeve 1. The end of the B-type elastic strip 4 away from the iron pad 3 abuts against the insulating gauge block 8. The spiral rail spike 6 penetrates all pad layers and is inserted into the pre-embedded sleeve 1 to achieve overall tight anchoring and avoid loosening.

[0025] A rail height adjustment pad 7 is provided between the rail pad 9 and the iron pad 3. When it is necessary to adjust the height of the rail pad 9, an additional rail height adjustment pad 7 can be added to achieve the height adjustment of the rail pad 9. By increasing or decreasing the number of pads, the height of the rail 13 can be quickly adjusted to adapt to the needs of roadbed settlement or track maintenance.

[0026] An adjustable height pad 11 is provided between the iron pad 3 and the lower iron pad 2. When it is necessary to adjust the height of the iron pad 3, an additional adjustable height pad 11 can be added to adjust the height of the iron pad 3 independently, ensuring that the force on each layer of pad is uniform, avoiding local deformation, and extending the service life.

[0027] Both sides of the rail 13 are fixed with wrapping material 12. The wrapping material 12 can effectively suppress rail vibration. By consuming the energy generated by the rail's own vibration, it can significantly reduce the vibration amplitude of the rail body, thereby significantly reducing the noise generated by vibration and extending the life of the rail and track components. Both sides of the upper end of the fastener body are fixed with fastener covers 10. The side of the fastener cover 10 away from the fastener body abuts against the corresponding wrapping material 12. The fastener cover 10 abuts against the wrapping material 12 to reinforce the lateral fixation of the rail 13, prevent the risk of derailment, and block gravel and mud from entering the fastener gap, reducing the maintenance frequency.

[0028] Working principle: During installation, a foundation structure needs to be pre-embedded. Holes are drilled on both sides of the bottom of the inner groove 15 of the sleeper 14, and the pre-embedded sleeve 1 is inserted and fixed. The lower pad 2 of the iron pad plate is laid flat at the bottom of the inner groove 15. The iron pad 3 is placed on the lower pad 2 of the iron pad plate, ensuring that the protrusions 301 on both sides face upwards. The rail pad 9 is inserted between the protrusions 301 to complete the mechanical limiting. The rail 13 is placed on the upper end of the rail pad 9. Insulating gauge blocks 8 are installed on both sides of the rail 13, so that they are tightly attached to the rail web of the rail 13. On the protrusions 302 of the iron pad 3... Install the type B elastic clip 4, so that one end of the type B elastic clip 4 abuts against the inner groove 303 of the protrusion 302 and the other end abuts against the insulating gauge block 8. Pass the spiral rail spike 6 through the reserved hole of the type B elastic clip 4, the iron pad 3, and the lower pad 2 of the iron pad in sequence. Add a flat washer 5 between the spiral rail spike 6 and the type B elastic clip 4 to balance the pressure. Tighten the spiral rail spike 6 into the pre-embedded sleeve 1 and apply a vertical locking force. Finally, fix the wrapping material 12 on both sides of the rail 13 and install the fastener cover 10 on both sides of the fastener body so that it is tightly abutted against the wrapping material 12.

[0029] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are within its protection scope. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within its protection scope.

Claims

1. A railway track fastening device comprising a sleeper (14), a rail (13), a fastening body, a B-clip (4) and a helical spike (6), characterized in that, The sleeper (14) has an inner groove (15) at its upper end. The fastener body is fixedly installed in the inner groove (15). The rail (13) and the fastener body are fixed to the sleeper (14) through a fixing part. The fastener body consists of an iron pad (2), an iron pad (3), and a rail pad (9) arranged sequentially from bottom to top. The iron pad (3) has protrusions (302) on both sides of its upper end. The protrusions (302) have an inner groove (303) at their upper ends. The B-type elastic bar (4) is fixed by a spiral rail spike (6). One end of the B-type elastic bar (4) abuts against the inner groove (303). The iron pad (3) has a protrusion (301) on one side inside the protrusions (302). The rail pad (9) is engaged between the protrusions (301).

2. A railway track fastening device according to claim 1, characterized in that, The rail (13) is located on the upper end of the rail pad (9), and insulating gauge blocks (8) are provided on both sides of the rail pad (9). The insulating gauge blocks (8) abut against the rail (13).

3. A railway track fastening arrangement according to claim 2, characterised in that The fixing part includes an inner groove (15) with mounting holes on both sides of the bottom. A pre-embedded sleeve (1) is embedded and fixed in the mounting hole. The spiral rail spike (6) passes through the B-type elastic bar (4), the iron pad (3) and the lower pad (2) of the iron pad in sequence and is inserted into the corresponding pre-embedded sleeve (1) and fixedly connected to the pre-embedded sleeve (1). The end of the B-type elastic bar (4) away from the iron pad (3) abuts against the insulating gauge block (8).

4. A railway track fastening arrangement according to claim 1, characterised in that A rail height adjustment pad (7) is provided between the rail pad (9) and the iron pad (3).

5. A railway track fastening arrangement according to claim 1, characterised in that An adjusting pad (11) is provided between the iron pad (3) and the lower pad (2).

6. A railway track fastening arrangement according to claim 1, characterised in that Both sides of the rail (13) are fixed with wrapping material (12).

7. A railway track fastening arrangement according to claim 6, wherein Both sides of the upper end of the fastener body are fixedly provided with fastener covers (10), and the side of the fastener cover (10) away from the fastener body abuts against the corresponding wrapping material (12).

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