CN219772564U - Split type adjustable rigid fastener - Google Patents
Split type adjustable rigid fastener Download PDFInfo
- Publication number
- CN219772564U CN219772564U CN202320076387.3U CN202320076387U CN219772564U CN 219772564 U CN219772564 U CN 219772564U CN 202320076387 U CN202320076387 U CN 202320076387U CN 219772564 U CN219772564 U CN 219772564U
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- China
- Prior art keywords
- plate
- steel rail
- iron seat
- rail
- top surface
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 64
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 229910052742 iron Inorganic materials 0.000 claims abstract description 32
- 238000005452 bending Methods 0.000 claims abstract description 8
- 241001669679 Eleotris Species 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model relates to a split type adjustable rigid fastener which comprises a base plate, an iron seat and a buckle plate; the steel rail is fixed on the top surface of the backing plate; an iron seat is fixedly arranged on the top surface of the backing plate; the top surface of the backing plate is fixedly provided with a buckle plate beside each iron seat; the buckle plate is of an inverted L-shaped structure and consists of a longitudinal plate and a transverse plate; the bottom of the longitudinal plate is supported on the top surface of the backing plate on one side of the iron seat, which is opposite to the steel rail, the transverse plate extends to the position right above the iron seat, and the middle part of the transverse plate is provided with a mounting hole; the pinch plate is pressed and fixed on the top surface of the backing plate through the mounting hole and the bolt connecting pair so as to pinch the rail limbs of the steel rail; a gauge block is also arranged between each iron seat and each rail limb of the steel rail; the gauge block is bent and is provided with two limbs; the inner bending surface of the gauge block is attached to the side surface and the top surface of the rail limb of the steel rail, and the outer bending surface is attached to the bottom of the transverse plate and one side surface of the iron seat facing the steel rail. The utility model has the advantages of simple and reasonable structural design, convenient disassembly and assembly, good universality, high structural strength and low manufacturing cost and maintenance cost.
Description
Technical Field
The utility model relates to the technical field of railway tracks, in particular to a split type adjustable rigid fastener.
Background
The railway fastener is used for fixing the position of a steel rail on a sleeper or a turnout sleeper of a turnout in a railway track, generally adopts a rigid fastener or an elastic fastener, the elastic fastener is generally installed by an elastic strip to realize the elastic buckling of the steel rail, the track state adjustment can be realized by changing a track gauge block between the elastic strip and the steel rail, the universality is strong, the application is wider, but the structure is relatively complex compared with the rigid fastener, and the manufacturing cost is higher than that of the rigid fastener. The existing rigid fastener for the turnout or the railway track, as shown in fig. 3, generally adopts a mode of combining a buckle plate 01 and a bolt 02 to realize fixed buckling on the steel rail 03, has simple structure and low manufacturing cost, but generally cannot realize the position adjustment of the steel rail 03, and if an adjusting component is arranged, the complexity of the assembly structure is correspondingly increased. Currently, for the design of rigid fasteners, a K-type fastener system (as shown in fig. 3) or a buckle type fastener is generally adopted, but the track gauge adjustment cannot be performed.
In view of the foregoing, there is a need for further improvements in the art.
Disclosure of Invention
Aiming at the problems in the background art, the split type adjustable rigid fastener is simple and reasonable in structural design, convenient to assemble and disassemble, good in universality, high in structural strength, low in manufacturing cost and maintenance cost and capable of firmly fastening steel rail limbs.
The technical scheme of the utility model is as follows:
the split type adjustable rigid fastener comprises a base plate, an iron seat and a buckle plate; the steel rail is fixed on the top surface of the backing plate; the top surface of the backing plate is also respectively and fixedly provided with the iron seat in a matching way on two opposite sides of the rail limbs of the steel rail; the top surface of the base plate is fixedly provided with the pinch plates in a matching way at the side of each iron seat; the buckle plate is of an inverted L-shaped structure and consists of a longitudinal plate and a transverse plate; the bottom of the longitudinal plate is supported on the top surface of the backing plate at one side of the iron seat, which is opposite to the steel rail, the transverse plate extends to the position right above the iron seat, and the middle part of the transverse plate is provided with a mounting hole in a matching way along the vertical direction; the pinch plate is pressed and fixed on the top surface of the backing plate through the mounting hole and the bolt connecting pair so as to pinch the rail limbs of the steel rail; a track gauge block is also arranged between each iron seat and each rail limb of the steel rail in a matching way; the gauge block is bent and is provided with two limbs; the inner bending surface of the gauge block is matched and attached to the side surface and the top surface of the rail limb of the steel rail, and the outer bending surface is matched and attached to the bottom of the transverse plate and one side surface of the iron seat facing the steel rail.
The split adjustable rigid fastener, wherein: the transverse plates of the pinch plates are also provided with reinforcing ribs at two opposite sides of the mounting hole in the radial direction.
The split adjustable rigid fastener, wherein: the two limbs of the gage block may be of different thickness.
The split adjustable rigid fastener, wherein: the two limbs of the gage block may also be of the same thickness.
The split adjustable rigid fastener, wherein: rubber backing plates can be selectively arranged between the backing plates and the steel rails.
The split adjustable rigid fastener, wherein: the bolt connection pair comprises a bolt, a nut and a flat washer; one end of the bolt penetrates into the mounting hole, the other end of the bolt extends out to the upper side of the transverse plate, and the extending end is sequentially matched with the flat washer and the nut from bottom to top.
The split adjustable rigid fastener, wherein: the nut adopts a slotted nut; and one end of the bolt is provided with a cotter pin mounting hole which is used for inserting the cotter pin after the nut is screwed up and clamping the cotter pin into a groove of the slotted nut so as to prevent the nut from loosening.
The split adjustable rigid fastener, wherein: the two ends of the backing plate are provided with fixing holes and are matched with bolts and spring washers to be fixed on the sleeper through the fixing holes.
The split adjustable rigid fastener, wherein: the iron seat is integrally in a K-shaped structure.
The beneficial effects are that:
the split type adjustable rigid fastener is simple and reasonable in structural design, and the gauge blocks are arranged between the buckle plates and the steel rails for adjusting the distance on the basis of the existing K-shaped fastener; compared with a K-shaped fastener in the traditional structure, the transverse ribs are additionally arranged at the weak parts at the two sides of the bolt hole on the upper surface of the buckle plate, so that the strength storage of the buckle plate is increased, and the rail limbs of the steel rail can be firmly buckled; meanwhile, the buckle plate is matched with the iron seat by adopting the T-shaped bolt and the nut so as to facilitate on-site installation and disassembly, so that the universality is good, the manufacturing and maintenance cost is reduced, and the buckle plate is suitable for popularization and application.
The structure of the utility model has simple manufacturing process, and is convenient and quick to assemble and disassemble, and the paved track can realize the quick adjustment of the track gauge (the clear distance between two steel rails is an important parameter of the track paving state) by replacing or adjusting track gauge blocks with different specifications in the use process.
Drawings
FIG. 1 is a schematic structural view of a split adjustable rigid fastener of the present utility model;
FIG. 2 is a schematic view of the buckle plate of the split type adjustable rigid fastener of the present utility model;
fig. 3 is a schematic structural diagram of an original K-type fastener.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, the split type adjustable rigid fastener of the utility model comprises a backing plate 1, an iron seat 2, a buckle plate 3, a gauge block 4 and a bolt connection pair 5.
The backing plate 1 is horizontally placed and provides a foundation for the rail 6 to support under the rail; the steel rail 6 is fixed in the middle of the top surface of the backing plate 1; the top surface of the backing plate 1 is also symmetrically and fixedly provided with a pair of iron seats 2 in a K-shaped structure on two opposite sides of the rail limbs of the steel rail 6. Wherein, the two ends of the backing plate 1 are provided with fixing holes and are matched with screw spikes 11 and spring washers 12 to be fixed on a sleeper or a track plate through the fixing holes.
The pinch plate 3 is provided with a pair of pinch plates which are respectively correspondingly and matched and arranged at the sides of the pair of iron seats 2; each buckle plate 3 is of an inverted L-shaped structure and consists of a longitudinal plate and a transverse plate, the longitudinal plate of each buckle plate 3 is arranged on the top surface of the base plate 1 on one side of the iron seat 2, which is opposite to the steel rail 6, the transverse plate of each buckle plate 3 extends to the position right above the iron seat 2, and the middle part of the transverse plate is provided with a mounting hole 31 in a matching way along the vertical direction; the pinch plate 3 is pressed and fixed on the top surface of the backing plate 1 through the mounting hole 31 and the bolt connection pair 5 so as to pinch the rail limbs of the steel rail 6. Meanwhile, reinforcing ribs 32 are additionally arranged on the weak parts of the transverse plates of the pinch plate 3 at the two sides of the mounting hole 31.
The gauge block 4 is provided with a pair of rail limbs which are respectively matched and installed between the pair of iron seats 2 and two opposite sides of the steel rail 6 to respectively form a first interval and a second interval; each gauge block 4 is in a bent shape and is provided with two limbs, the inner bending surface of each gauge block is matched and attached to the side surface and the top surface of the rail limb of the steel rail 6, and the outer bending surface is matched and attached to contact with the bottom of the transverse plate of the buckle plate 3 and one side surface of the iron seat 2 facing the steel rail 6. Wherein, the two limbs of the gauge block 4 are designed to be different in thickness, and as the backing plate 1 is fixed on the sleeper or the track plate, the position of the steel rail 6 can be adjusted by installing the gauge blocks 4 with different thickness specifications at the positions of the first interval and the second interval.
The bolting pair 5 consists of a bolt 51, a nut 52 and a plain washer 53. Wherein, the nut 52 is a common nut or a slotted nut; when the slotted nut is selected, the bolt 51 is required to be provided with a mounting hole of the cotter pin corresponding to the head of the threaded end, after the nut 52 is screwed, the cotter pin is inserted after the nut 52 is screwed to the vertical slot to be aligned with the bolt pin hole, so that the purpose of preventing the nut 52 from loosening is achieved.
One end of the bolt 51 penetrates through the mounting hole 31 of the buckle plate 3, the other end extends out to the upper side of the buckle plate 3, and the extending end is provided with a flat washer 53 and a nut 52 in a matching manner from bottom to top. The buckling force is provided for fixing the rail 6 when the rail 6 is subjected to a lateral impact from the wheels causing a tendency of the rail 6 to roll. In order to prevent the buckling force from being reduced due to loosening of the nut 52, the nut 52 can be selectively selected to be in the form of a slotted nut, and correspondingly, one end of the bolt 51 is provided with a cotter pin mounting hole for mounting the cotter pin, and the cotter pin is used for penetrating the cotter pin and clamping the cotter pin into a slot of the slotted nut after the nut 52 is screwed, so that the nut 52 is prevented from loosening (when the common nut 52 is selected to be matched with the bolt 51, the cotter pin mounting hole does not need to be formed at one end of the nut 52, and the cotter pin does not need to be configured).
The gauge block 4 is designed into a structure with different thicknesses of two limbs, so that the position of the steel rail 6 can be adjusted by extruding the steel rail 6 by changing the direction of the gauge block 4. Alternatively, the gage blocks 4 may be designed as a single gauge piece to facilitate disassembly and assembly.
Rubber backing plates can be selectively arranged between the backing plates 1 and the steel rails 6 and used for buffering the impact of trains on the steel rails, and when the rubber backing plates under the rails are cancelled or installed, the heights of the iron seat 2 and the pinch plates 3 are correspondingly changed so as to ensure the stable buckling of the steel rails 6.
One end of the buckle plate 3 is contacted with the gauge block 4 to realize buckling of the rail limbs of the steel rail 6, the other end is propped against the surface of the backing plate 1, and the buckle plate 3 is connected with the nut 52 through the bolt 51 to realize stable buckling of the rail limbs of the steel rail 6.
The utility model has simple and reasonable structural design, convenient disassembly and assembly, good universality, high structural strength and low manufacturing cost and maintenance cost, and is suitable for popularization and application.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (9)
1. A split type adjustable rigid fastener comprises a base plate (1), an iron seat (2) and a buckle plate (3); the steel rail (6) is fixed on the top surface of the backing plate (1); the top surface of the backing plate (1) is also respectively and fixedly provided with the iron seat (2) on two opposite sides of the rail limbs of the steel rail (6); the top surface of the base plate (1) is fixedly provided with the pinch plates (3) by matching at the side of each iron seat (2); the method is characterized in that: the buckle plate (3) is of an inverted L-shaped structure and consists of a longitudinal plate and a transverse plate; the bottom of the vertical plate is supported on the top surface of the backing plate (1) at one side of the iron seat (2) opposite to the steel rail (6), the transverse plate extends to the position right above the iron seat (2), and the middle part of the transverse plate is provided with a mounting hole (31) in a matching way along the vertical direction; the pinch plate (3) is pressed and fixed on the top surface of the backing plate (1) through the mounting hole (31) and the bolt connection pair (5) so as to pinch the rail limbs of the steel rail (2);
a track gauge block (4) is also arranged between each iron seat (5) and a rail limb of the steel rail (6) in a matching way; the gauge block (4) is bent and is provided with two limbs; the inner bending surface of the gauge block (4) is matched and attached to the side surface and the top surface of a rail limb of the steel rail (6), and the outer bending surface is matched and attached to the bottom of the transverse plate and one side surface of the iron seat (2) facing the steel rail (6).
2. The split adjustable rigid fastener of claim 1, wherein: the transverse plates of the pinch plates (3) are provided with reinforcing ribs (32) at two opposite sides of the mounting holes (31) in the radial direction.
3. The split adjustable rigid fastener of claim 1, wherein: the two limbs of the gauge block (4) may be of different thickness.
4. The split adjustable rigid fastener of claim 1, wherein: the two limbs of the gauge block (4) can also be of the same thickness.
5. The split adjustable rigid fastener of claim 1, wherein: a rubber backing plate is arranged between the backing plate (1) and the steel rail (6).
6. The split adjustable rigid fastener of claim 1, wherein: the bolt connection pair (5) consists of a bolt (51), a nut (52) and a plain washer (53); one end of the bolt (51) penetrates into the mounting hole (31), the other end of the bolt extends out to the upper side of the transverse plate, and the extending end is provided with the flat washer (53) and the nut (52) in a matching manner from bottom to top.
7. The split adjustable rigid fastener of claim 6, wherein: the nut (52) is a slotted nut; one end of the bolt (51) is provided with a cotter pin mounting hole which is used for inserting the cotter pin into a groove of the slotted nut after the nut (52) is screwed down and clamping the cotter pin into the groove of the slotted nut so as to prevent the nut (52) from loosening.
8. The split adjustable rigid fastener of claim 1, wherein: fixing holes are formed in two ends of the base plate (1) and are matched with bolts (11) and spring washers (12) through the fixing holes to be fixed on the sleeper.
9. The split adjustable rigid fastener of claim 1, wherein: the iron seat (2) is integrally in a K-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320076387.3U CN219772564U (en) | 2023-01-10 | 2023-01-10 | Split type adjustable rigid fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320076387.3U CN219772564U (en) | 2023-01-10 | 2023-01-10 | Split type adjustable rigid fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219772564U true CN219772564U (en) | 2023-09-29 |
Family
ID=88111179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320076387.3U Active CN219772564U (en) | 2023-01-10 | 2023-01-10 | Split type adjustable rigid fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219772564U (en) |
-
2023
- 2023-01-10 CN CN202320076387.3U patent/CN219772564U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |