CN211872424U - Rail Fastener System and Rail System - Google Patents

Abstract

The utility model provides a rail fastener system and a rail system. The rail fastener system comprises an iron backing plate, a first bolt, a fastener device, a first stopper, a second stopper and at least one gauge adjustment piece, The first stopper and the second stopper are arranged on the steel sleeper at intervals along the width direction of the track, the iron backing plate is arranged between the first stopper and the second stopper, and the length of the iron backing plate is smaller than that of the first stopper and the second stopper. The distance between the second stopper, the gauge adjustment piece is arranged between the first stopper and the iron backing plate, and/or between the second stopper and the iron backing plate; the first bolt presses the iron backing plate against the Steel sleeper; the fastener device is installed on the iron backing plate, which is used to press the rail against the iron backing plate. The utility model alleviates the technical problem that the operation of adjusting the gauge of the steel sleeper in the prior art is relatively complicated.

Description

Rail Fastener System and Rail System

technical field

The utility model relates to the technical field of railway transportation, in particular to a rail fastener system and a rail system.

Background technique

After the bridge is laid with the seamless line, with the change of the ambient temperature, the bridge has to bear the longitudinal force of the seamless line; the longer the temperature span of the bridge, the greater the longitudinal force of the seamless line. In order to release the expansion and contraction force and deflection force of the steel rail caused by the deformation of the bridge under the action of temperature change and train load, and reduce the adverse effect on the bridge structure, it is necessary to reduce the resistance of the longitudinal expansion and contraction of the steel rail, so that the steel rail can properly expand and contract, and allow no The rails of the seam line have a certain displacement to ensure the safety and reliability of the bridge and the seamless line.

There are two main types of bearing bases for the track: steel sleepers and track slabs. During the installation and maintenance of the track, the adjustment operation of the gauge of the track such as the steel sleeper is cumbersome, which reduces the work efficiency.

Utility model content

The purpose of the utility model is to provide a rail fastener system and a rail system, so as to alleviate the technical problem that the operation of adjusting the gauge of the rails in the prior art is cumbersome.

Above-mentioned purpose of the present utility model can adopt following technical scheme to realize:

The utility model provides a rail fastener system, comprising: an iron backing plate, a first bolt, a fastener device, a first stopper, a second stopper and at least one gauge adjustment piece, the first stopper and the The second stopper is arranged on the steel sleeper at intervals along the width direction of the track, the iron backing plate is arranged between the first stopper and the second stopper, and the length of the iron backing plate is smaller than the length of the iron backing plate. The distance between the first stopper and the second stopper, the gauge adjustment piece is arranged between the first stopper and the iron backing plate, and/or the second stopper and the between the iron backing plates; the first bolt presses the iron backing plate against the steel sleeper; the fastener device is installed on the iron backing plate for pressing the rail against the iron backing plate.

In a preferred embodiment, the rail fastener system includes a plurality of the gauge adjustment pieces; between the iron backing plate and the first stop and between the iron backing plate and the second stop There are adjustment gaps between them, and a plurality of the gauge adjustment pieces are respectively arranged in the adjustment gaps at both ends of the iron backing plate.

In a preferred embodiment, at least one piece of the gauge adjustment piece with insulating properties is provided in the adjustment gap at both ends of the iron backing plate.

In a preferred embodiment, the rail fastener system includes a pressure plate, the pressure plate is provided with a pressure plate protrusion and a first through hole for penetrating the first bolt, and the gauge adjustment piece is provided with an adjustment piece groove matched with the raised portion of the pressure plate; the first bolt presses the pressure plate against the iron backing plate, and the raised portion of the pressure plate is clamped to the groove of the adjustment piece.

In a preferred embodiment, the rail fastener system includes a gasket, the gasket is provided with a second through hole for penetrating the first bolt, and the gasket is arranged above the pressing plate.

In a preferred embodiment, the iron backing plate is provided with an oblong hole for passing the first bolt, and the length direction of the long circular hole is parallel to the length direction of the iron backing plate.

In a preferred embodiment, the rail fastener system includes a rubber backing plate, and the rubber backing plate is arranged below the iron backing plate and is in contact with the iron backing plate; The ends are respectively abutted with the first block seat and the second block seat.

In a preferred embodiment, the rail fastener system includes a height-adjusting backing plate, the height-adjusting backing plate is arranged below the rubber backing plate, and two ends of the height-adjusting backing plate are respectively connected to the first A block abuts against the second block.

In a preferred embodiment, an iron seat is fixed on the iron backing plate; the fastener device includes a rail support, a second bolt and at least one rail support adjustment piece, and the rail support is used for withholding the steel rail, A rail support gap is set between the end face of the rail support away from the steel rail and the iron base, and the rail support adjustment piece is arranged in the rail support gap; the second bolt presses the rail support tighter than the iron seat.

The utility model provides a steel rail system, comprising: a steel sleeper, a steel rail and the above-mentioned steel rail fastener system, the steel rail fastener system is installed on the steel sleeper, and the steel rail is crimped and fixed.

The features and advantages of the present utility model are:

The rail fastener system provided by the utility model is suitable for rails such as steel sleepers, and through the rail fastener system, the rail can be stably assembled on the steel sleeper, and the stability is high. When it is necessary to adjust the gauge, loosen the first bolt and adjust the number of gauge adjustment pieces at both ends of the iron pad, so that the iron pad, the rail and the fastener device mounted on the iron pad are in the first gear together. It can move between the seat and the second block to realize the adjustment of the gauge.

The use of the rail fastener system makes the adjustment of the gauge more convenient, and after the adjustment is completed, the two ends of the iron backing plate are respectively kept in contact with the first stopper and the second stopper through the gauge adjustment piece, and the first stopper and The second block can play a better supporting role for the iron backing plate, which is conducive to maintaining the position of the rail.

The difference between the distance between the first stopper and the second stopper and the length of the iron backing plate limits the adjustment range of the iron backing plate, so that the iron backing plate moves within the set range, which can avoid The iron backing plate has an excessive deviation; by adjusting the number of gauge adjustment pieces at both ends, the gauge can be adjusted more accurately.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the axonometric view of the rail fastener system provided by the utility model;

Figure 2 is a front view of the rail fastener system shown in Figure 1;

Figure 3 is an exploded view of the rail fastener system shown in Figure 1;

4 is a schematic structural diagram of an iron backing plate in the rail fastener system shown in FIG. 1;

5 is a schematic structural diagram of a gauge adjustment piece in the rail fastener system shown in FIG. 1;

FIG. 6 is a schematic structural diagram of a pressing plate in the rail fastener system shown in FIG. 1;

7 is a schematic structural diagram of a gasket in the rail fastener system shown in FIG. 1;

8 is a schematic structural diagram of an insulating sleeve in the rail fastener system shown in FIG. 1;

Description of reference numbers:

10. Steel rail; 11. Width direction of the rail

20. Fastener device; 21. Rail support; 22. Second bolt; 23. Rail support adjustment piece;

31, iron backing plate; 311, oblong hole; 312, iron seat;

32. The first bolt;

33. Gauge adjustment piece; 331. Adjustment piece groove; 332. Adjustment gap;

34, insulating sleeve; 341, bolt hole; 342, upper part of sleeve; 343, lower part of sleeve;

35, gasket; 351, second through hole; 352, the upper surface of the gasket;

36, pressure plate; 361, first through hole; 362, pressure plate protrusion;

37. Rubber pad; 38. Height-adjusting pad;

40. Steel sleeper; 41. Installation nut;

51, the first block; 52, the second block.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

The utility model provides a rail fastener system, as shown in Figures 1-3, the steel sleeper fastener system includes an iron backing plate 31, a first bolt 32, a fastener device 20, a first stop 51, a first The second stopper 52 and at least one gauge adjustment piece 33 , the first stopper 51 and the second stopper 52 are arranged on the steel sleeper 40 at intervals along the width direction 11 of the track, and the iron backing plate 31 is arranged on the first stopper 51 and the second stopper 52 . Between the second stopper 52 , and the length of the iron backing plate 31 is smaller than the distance between the first stopper 51 and the second stopper 52 , the gauge adjustment piece 33 is disposed on the first stopper 51 and the iron backing plate 31 between the second stopper 52 and the iron backing plate 31; the first bolt 32 presses the iron backing plate 31 against the steel sleeper 40; the fastener device 20 is installed on the iron backing plate 31 for connecting the rail 10 is pressed against the iron backing plate 31.

The rail fastener system is suitable for rails such as steel sleepers, and through the rail fastener system, the rail 10 can be stably assembled on the sleeper 40 with high stability. When the gauge needs to be adjusted, loosen the first bolt 32 and adjust the number of gauge adjustment pieces 33 at both ends of the iron backing plate 31 so that the iron backing plate 31 , the rail 10 and the fastener device installed on the iron backing plate 1 20, move together between the first block seat 51 and the second block seat 52 to realize the adjustment of the gauge.

The use of this rail fastener system makes the adjustment of the gauge more convenient, and after the adjustment is completed, the two ends of the iron backing plate 31 are kept in contact with the first stopper 51 and the second stopper 52 through the gauge adjustment piece 33 respectively. The first stopper 51 and the second stopper 52 can better support the iron backing plate 31 , which is beneficial to maintain the position of the steel rail 10 .

The difference between the distance between the first stopper 51 and the second stopper 52 and the length of the iron backing plate 31 defines the adjustment range of the iron backing plate 31, so that the iron backing plate 31 is within the set range By moving inwards, the iron backing plate 31 can be prevented from being too large offset; by adjusting the number of the gauge adjusting pieces 33 at both ends, the gauge can be adjusted more accurately.

By setting the distance between the end of the iron backing plate 31 and the first stopper 51 and the distance between the end of the iron backing plate 31 and the second stopper 52, it is possible to adjust the distance between the iron backing plate 31 and the second stopper 52. The size of the adjustment range in each direction can be set separately. For example, in some cases, the iron backing plate 31 is in direct contact with the first stopper 51 , an adjustment gap 332 is provided between the iron backing plate 31 and the second stopper 52 , and at least one gauge adjustment piece 33 is provided in the adjusting gap 332 . In the gap 332; in other cases, the iron backing plate 31 is in direct contact with the second stopper 52, an adjustment gap 332 is provided between the iron backing plate 31 and the first stopper 51, and at least one gauge adjustment piece 33 is provided. In the adjustment gap 332 ; preferably, the rail fastener system includes a plurality of gauge adjustment pieces 33 ; There is an adjustment gap 332, and a plurality of gauge adjustment pieces 33 are respectively arranged in the adjustment gap 332 at both ends of the iron backing plate 31. As shown in FIG. 2, in the adjustment gap 332 close to the first stopper 51 and close to the second stopper Two gauge adjustment pieces 33 are respectively provided in the adjustment gap 332 of 52 .

Further, at least one insulating gauge adjustment piece 33 is provided in the adjustment gaps 332 at both ends of the iron backing plate 31 , and the iron backing plate 31 and the steel sleeper are ensured by the insulating gauge adjusting piece 33 . Insulation between 40.

In order to improve the installation accuracy of the gauge adjusting piece 33, the inventor has improved the structure of the gauge adjusting piece 33: as shown in FIG. 5, the gauge adjusting piece 33 is provided with an adjusting piece groove 331; Including a pressure plate 36, the pressure plate 36 is provided with a pressure plate convex portion 362 and a first through hole 361 for passing the first bolt 32, the pressure plate convex portion 362 is matched with the adjustment plate groove 331, and the first bolt 32 connects the pressure plate. 36 is pressed against the iron backing plate 31, and the raised portion 362 of the pressure plate is clamped to the groove 331 of the adjustment piece. Set the position, and prevent the gauge adjustment piece 33 from shifting along the longitudinal direction of the rail, and prevent the gauge adjustment piece 33 from running out.

As shown in FIG. 2 , the rail fastener system includes a gasket 35 . The gasket 35 is provided with a second through hole 351 for penetrating the first bolt 32 . The gasket 35 is arranged above the pressing plate 36 , and the gasket 35 can reduce The small first bolt 32 tightens the pressure generated on the pressure plate 36 to avoid the local pressure on the pressure plate 36 being too large; the gasket 35 cooperates with the pressure plate 36 to reduce the tightening force of the first bolt 32 on the iron backing plate 31 Locally generated pressure.

In an embodiment of the present invention, the iron backing plate 31 is provided with an oblong hole 311 for piercing the first bolt 32, and the length direction of the long circular hole 311 and the length direction of the iron backing plate 31 are both parallel to the width of the track In the direction 11, the first bolt 32 can move along the width direction 11 of the track in the oblong hole 311, so that the iron backing plate 31 can move along the width direction 11 of the track on the steel sleeper 40. The oblong hole 311 can also be replaced with a round hole, and the diameter of the round hole is larger than the outer diameter of the first bolt 32 to provide a space for the first bolt 32 to move relative to the iron backing plate 31 .

As shown in FIGS. 4 , 6 and 7 , the pressing plate 36 is provided with two first through holes 361 , the gasket 35 is provided with two second through holes 351 , and one side of the iron backing plate 31 is provided with two The oblong holes 311 , the first through holes 361 , the second through holes 351 and the oblong holes 311 are aligned one by one. A mounting nut 41 is fixed on the steel sleeper 40, and the first bolt 32 passes through the washer 35, the pressure plate 36 and the iron backing plate 31 in sequence, and is threadedly matched with the mounting nut 41 to realize the fastening of the iron backing plate 31; the mounting nut 41 can be Standard parts, or parts with internal threads; preferably, the mounting nut 41 is welded to the steel sleeper 40 .

Further, the steel sleeper fastener system also includes an insulating sleeve 34. As shown in FIG. 3 and FIG. 8, the insulating sleeve 34 includes an upper part 342 of the sleeve and a lower part 343 of the sleeve, and the insulating sleeve 34 is provided with a through bolt hole 341; the lower part 343 of the sleeve is arranged in the second through hole 351, the first through hole 361 and the oblong hole 311; The bolts 32 pass through the bolt holes 341 of the insulating sleeve 34 . The insulating sleeve 34 is made of insulating material to prevent the first bolt 32 from contacting the iron backing plate 31 , so as to ensure the insulation between the iron backing plate 31 and the steel sleeper 40 .

In an embodiment of the present invention, the rail fastener system includes a rubber backing plate 37 , the rubber backing plate 37 is arranged below the iron backing plate 31 and is in contact with the iron backing plate 31 ; the two ends of the rubber backing plate 37 are respectively In contact with the first stopper 51 and the second stopper 52 , the rigidity required by the circuit design can be achieved by selecting the rubber backing plate 37 with different rigidity.

In an embodiment of the present invention, the rail fastener system includes a height-adjusting backing plate 38 , the height-adjusting backing plate 38 is arranged below the rubber backing plate 37 , and two ends of the height-adjusting backing plate 38 are respectively connected to the first stopper. 51 and the second stop 52 are in contact with each other, and by stacking the height-adjusting pads 38 of different thicknesses, the height position of the rail can be adjusted.

As shown in FIG. 1 and FIG. 4 , an iron base 312 is fixed on the iron backing plate 31 ; the fastener device includes a rail brace 21 , a second bolt 22 and at least one rail brace adjustment piece 23 , and the rail brace 21 is used to crimp the rail 10 . , between the end face of the rail support 21 away from the rail 10 and the iron base 312 is provided with a rail support gap, the rail support adjustment piece 23 is arranged in the rail support gap; The second bolt 22 presses the rail support 21 against the iron base 312 . The rail support 21 is matched with the rail waist and the upper surface of the rail bottom of the rail 10 , so that the rail 10 can be prevented from overturning, and the rail 10 can be fastened to the iron backing plate 31 . By adjusting the number of the rail support adjusting pieces 23 provided in the rail support gap, the position of the rail support 21 on the iron backing plate 31 can be adjusted to adjust the gauge.

Embodiment 2

The utility model provides a steel rail system, which comprises a steel sleeper, a steel rail and the above-mentioned steel rail fastener system, the steel rail fastener system is installed on the steel sleeper, and the rail is crimped and fixed. This rail system has the following advantages:

1. The rail fastener system is suitable for steel sleeper rails, which can better support the rail 10, provide vertical elasticity and maintain the position of the rail 10, with high stability, simple structure, easy adjustment, and easy disassembly and maintenance. ;

2. It is easy to adjust the height and position of the rail 10, to achieve the rigidity required by the line design, and to meet the characteristics of different longitudinal resistance requirements of the line;

3. By combining the gauge adjusting piece 33 with the rail support adjusting piece 23, the operation of adjusting the gauge is more flexible and convenient.

The above are only a few embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention according to the contents disclosed in the application documents without departing from the spirit and scope of the present invention.

Claims (10)

1. A rail fastener system, comprising: the device comprises an iron base plate, a first bolt, a fastener device, a first baffle seat, a second baffle seat and at least one gauge adjustment sheet, wherein the first baffle seat and the second baffle seat are arranged on a steel sleeper at intervals along the width direction of a track, the iron base plate is arranged between the first baffle seat and the second baffle seat, the length of the iron base plate is smaller than the distance between the first baffle seat and the second baffle seat, and the gauge adjustment sheet is arranged between the first baffle seat and the iron base plate and/or between the second baffle seat and the iron base plate;

the first bolt tightly presses the iron base plate to the steel sleeper; the fastener device is arranged on the iron base plate and used for pressing the steel rail on the iron base plate.

2. A rail fastener system according to claim 1, including a plurality of said gauge adjustment tabs; adjusting gaps are arranged between the iron base plate and the first blocking seat and between the iron base plate and the second blocking seat, and the plurality of gauge adjusting plates are arranged in the adjusting gaps at two ends of the iron base plate respectively.

3. A rail fastener system according to claim 2, wherein at least one said gauge adjustment tab is provided in said adjustment gap at each end of said iron tie plate.

4. A rail fastener system according to claim 1, including a clamp plate having a clamp plate protrusion and a first through hole for receiving the first bolt, the gauge adjustment tab having an adjustment tab recess for engaging the clamp plate protrusion;

the first bolt compresses the pressing plate tightly on the iron base plate, and the protruding part of the pressing plate is clamped in the adjusting plate groove.

5. A rail fastener system according to claim 4, including a shim, the shim having a second through-hole for receiving the first bolt therethrough, the shim being disposed above the pressure plate.

6. A rail fastener system according to claim 1, wherein the iron base plate is provided with an oblong hole for passing the first bolt therethrough, and a length direction of the oblong hole is parallel to a length direction of the iron base plate.

7. A rail fastener system according to claim 1, including a rubber pad disposed beneath and in contact with the iron pad; and two ends of the rubber base plate are respectively abutted against the first blocking seat and the second blocking seat.

8. A rail fastener system according to claim 7, including a height-adjusting shim plate disposed below the rubber shim plate, and having opposite ends abutting the first and second stops, respectively.

9. A rail fastener system according to claim 1, wherein said iron tie plate has an iron seat secured thereto;

the fastener device comprises a rail brace, a second bolt and at least one rail brace adjusting sheet, the rail brace is used for buckling the steel rail, a rail brace gap is formed between the end face, far away from the steel rail, of the rail brace and the iron base, and the rail brace adjusting sheet is arranged in the rail brace gap; the second bolt presses the rail brace to the iron base.

10. A rail system, comprising: a steel tie, a rail and a rail fastener system as claimed in any one of claims 1 to 9, said rail fastener system being mounted to said steel tie and clinching said rail thereto.

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