CN217324764U - Composite sleeper fastener for steel rail - Google Patents
Composite sleeper fastener for steel rail Download PDFInfo
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- CN217324764U CN217324764U CN202123353987.XU CN202123353987U CN217324764U CN 217324764 U CN217324764 U CN 217324764U CN 202123353987 U CN202123353987 U CN 202123353987U CN 217324764 U CN217324764 U CN 217324764U
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- base plate
- steel rail
- rail
- iron
- iron base
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model provides a compound sleeper fastener of rail, its simple structure for the equipment of rail is swift convenient, and follow-up fastening operation convenient and fast. The steel rail comprises a steel rail, a steel rail supporting foundation, an insulating buffer base plate, an iron base plate, a threaded tip nail, a rail lower base plate, gauge baffles on two sides and elastic strips; the upper surface of the steel rail supporting foundation is provided with insulating buffer base plates at intervals along the laying direction of the steel rail, the upper surface of each insulating buffer base plate is inwards concave to form an iron base plate placing cavity, and the bottom of each iron base plate is embedded in the iron base plate placing cavity in a copying manner; the width direction both sides of iron backing plate are provided with the locking locating hole, the both sides position that corresponds to the rail of iron backing plate is provided with the bolt through hole respectively, and the screw thread section of T type bolt runs through from bottom to top the bolt through hole, and screw thread section epirelief set up, the inclined plane of upper surface for having the inclination of iron backing plate, the width direction both sides of iron backing plate still are provided with the location arch of epirelief.
Description
Technical Field
The utility model relates to a technical field of rail installation specifically is a compound sleeper fastener of rail.
Background
Along with the appearance of high-speed railway, its needs of laying of current track lay in advance lay the iron tie plate on basic ground, then set up the rail on the iron tie plate again, among the prior art, the installation of rail needs be provided with the gauge baffle respectively in both sides, and the equipment of current gauge baffle is taken trouble hard, and does not utilize follow-up fastening operation, for this reason, promptly need to find a compound sleeper fastener that equipment is swift convenient.
Disclosure of Invention
To the above problem, the utility model provides a compound sleeper fastener of rail, its simple structure for the equipment of rail is swift convenient, and follow-up fastening operation convenient and fast.
A composite sleeper fastener for steel rails adopts the technical scheme that the composite sleeper fastener comprises a steel rail and a steel rail supporting foundation; it is characterized in that it also comprises:
an insulating buffer base plate;
an iron backing plate;
a threaded spike nail;
a rail lower backing plate;
the inner side surface of the gauge baffle, which is close to the steel rail, is a spigot end surface, and the outer side surface of the gauge baffle, which is far away from the steel rail, is an attaching and pressing end surface;
a pair of spring strips;
the upper surface of the steel rail supporting foundation is provided with insulating buffer base plates at intervals along the laying direction of the steel rail, the upper surface of each insulating buffer base plate is inwards concave to form an iron base plate placing cavity, and the bottom of each iron base plate is embedded in the iron base plate placing cavity in a copying manner;
locking positioning holes are formed in two sides of the iron base plate in the width direction, bolt through holes are formed in the positions, corresponding to two sides of a steel rail, of the iron base plate respectively, threaded sections of T-shaped bolts penetrate through the bolt through holes from bottom to top and are arranged in a protruding mode, the upper surface of the iron base plate is an inclined plane with inclination, and protruding positioning protrusions are further arranged on two sides of the iron base plate in the width direction;
the threaded sharp nail penetrates through the locking positioning hole and the insulating buffer base plate from top to bottom and is fixedly inserted into the steel rail supporting foundation;
the steel rail is supported on the upper surface of the base plate, the corresponding width end surface formed by the steel rail and the base plate under the steel rail is tightly attached to the spigot end surface of the corresponding gauge baffle, and the attaching and pressing end surface of the gauge baffle is tightly attached to the positioning bulge at the corresponding position;
an elastic strip is sleeved on the threaded section of the upper part of each T-shaped bolt, a locking nut is in threaded connection with the threaded section, the locking nut is pressed on the upper surface of the elastic strip, the inner end of the elastic strip is pressed on the paved upper surface of the steel rail, and the outer end of the elastic strip is pressed on the upper surface of the gauge baffle.
It is further characterized in that:
the upper surface of the gauge baffle is provided with an elastic strip attaching groove, and the outer end of the elastic strip is attached in the elastic strip attaching groove in a pressing manner, so that the stability and reliability of attaching are ensured;
two locking positioning holes are formed in two sides of each iron base plate in the width direction, so that stable and reliable locking positioning is ensured;
the positioning protrusions on two sides of the iron base plate in the width direction are arranged in a protruding mode along the periphery of the locking positioning hole, so that the iron base plate is convenient and reliable to manufacture;
the outer side surface of the gauge baffle is arranged in a shape of two convex positioning bulges in a copying manner, and the outer side surface of the gauge baffle is arranged in a manner of clinging to the positioning bulges of the iron base plate;
the locking nut is pressed on the flat washer and then is pressed on the upper surface of the center of the elastic strip, so that the pressing is stable and reliable.
After the technical scheme is adopted, the bottom of the steel rail is locked and attached in the position through gauge baffles on two sides in the width direction, the position of the steel rail is locked and attached in the height direction through the elastic strips, the base plates with different thicknesses are arranged according to different steel rail installation requirements, the screw sharp nail is only required to be quickly and fixedly connected to a steel rail supporting foundation during installation, then the locking nut is screwed tightly, and when pre-tightening is required, the screw sharp nail and the locking nut are screwed tightly; the steel rail fastening device is simple in structure, so that the steel rail can be assembled quickly and conveniently, and the subsequent fastening operation is convenient and quick.
Drawings
FIG. 1 is a front view of the present invention showing a half-section structure;
fig. 2 is a schematic top view structure of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the steel rail comprises a steel rail 10, a steel rail supporting foundation 20, an insulating buffer base plate 30, an iron base plate placing cavity 31, an iron base plate 40, a locking positioning hole 41, a bolt through hole 42, a positioning bulge 43, a threaded tip nail 50, a rail lower base plate 60, a gauge baffle 70, a spigot end face 71, an attaching pressing end face 72, an elastic strip 80, a T-shaped bolt 90, a threaded section 91, a locking nut 100 and a flat washer 110.
Detailed Description
A composite sleeper fastener for steel rails is shown in figures 1 and 2 and comprises a steel rail 10, a steel rail supporting base 20, an insulating buffer base plate 30, an iron base plate 40, a threaded tip nail 50, an under-rail base plate 60, gauge baffles 70 at two sides and a pair of elastic strips 80;
the inner side surface of the gauge apron 70 close to the steel rail is a spigot end surface 71, and the outer side surface of the gauge apron 70 far away from the steel rail is an attaching and pressing end surface 72;
the upper surface of the steel rail supporting base 20 is provided with insulating buffer backing plates 30 at intervals along the laying direction of the steel rail 10, the upper surface of each insulating buffer backing plate 30 is inwards concave to form an iron backing plate placing cavity 31, and the bottom of the iron backing plate 40 is embedded in the iron backing plate placing cavity 31 in a copying manner;
the threaded pointed nail 50 penetrates through the locking positioning hole 41 and the insulating buffer base plate 30 from top to bottom and then is fixedly inserted into the steel rail supporting foundation 20;
the steel rail 10 is supported on the upper surface of the rail lower backing plate 60, the corresponding width end surface formed by the steel rail 10 and the rail lower backing plate 60 is tightly attached to the spigot end surface 71 of the corresponding gauge apron 70, and the attaching and pressing end surface 72 of the gauge apron 70 is tightly attached to the positioning bulge 43 at the corresponding position;
the upper threaded section of each T-shaped bolt 90 is sleeved with an elastic strip 80, a locking nut 100 is in threaded connection with the threaded section 91, the locking nut 100 is pressed on the upper surface of the elastic strip 80, the inner end of the elastic strip 80 is pressed on the paved upper surface of the steel rail 10, and the outer end of the elastic strip 80 is pressed on the upper surface of the gauge baffle 70.
In specific implementation, the upper surface of the gauge baffle 70 is provided with an elastic strip attaching groove 71, and the outer end 80 of the elastic strip is attached in the elastic strip attaching groove 74 in a pressing manner, so that the attaching is stable and reliable;
two locking and positioning holes 41 are formed in two sides of each iron base plate 40 in the width direction, so that the locking and positioning are stable and reliable;
the positioning protrusions 43 on the two sides of the iron backing plate 40 in the width direction are arranged in a protruding manner along the periphery of the locking positioning hole 41, so that the manufacturing is convenient and reliable;
the outer side surface of the gauge baffle 70 is arranged in a shape of copying the two convex positioning bulges, and the outer side surface of the gauge baffle 70 is arranged in a manner of clinging to the positioning bulges 43 of the iron backing plate;
the locking nut 100 is pressed on the flat washer 11 and then pressed on the upper surface of the center of the elastic strip 80, so that the pressing is stable and reliable.
When in specific implementation, the steel rail is suitable for a steel rail with the weight of 60 kg/m; when in design, the longitudinal resistance of the steel rail of each group of fasteners of the conventional line is more than or equal to 9kN, and the longitudinal resistance of the steel rail of each group of fasteners of the small-resistance section is 4-6 kN; the adjusting range of the left and right positions of the steel rail is 20mm, the adjusting amount of the rail gauge is-10 mm- +10mm, and the adjusting level is 2 mm; the height position adjustment amount of the steel rail is 25mm, the rail is adjusted by 5mm, the plate is adjusted by 20mm, and the adjustment level is 1 mm.
The elastic strip is specifically SKL14 elastic strip or SKL1 elastic strip, the buckling pressure of SKL14 elastic strip is more than or equal to 10kN, the elastic stroke is 13mm, the buckling pressure of SKL1 elastic strip is 8kN, the elastic stroke is 11.3mm,
the under-rail pad 60 is specifically a composite pad or a rubber pad.
The working principle is as follows: the bottom of the steel rail is locked and attached at the position through gauge baffles on two sides in the width direction, and the elastic strip is locked at the position in the height direction, so that the steel rail is buckled and pressed; according to different line requirements, corresponding under-rail base plates are arranged, when the under-rail base plates are installed, only the threaded tip nails are required to be quickly and fixedly connected to a steel rail supporting foundation, then the locking nuts are screwed tightly, and when pre-tightening is required, the threaded tip nails and the locking nuts are screwed tightly; the steel rail fastening device is simple in structure, so that the steel rail can be assembled quickly and conveniently, and the subsequent fastening operation is convenient and quick.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A composite sleeper fastener for steel rails comprises a steel rail and a steel rail supporting foundation; it is characterized in that it also comprises:
an insulating buffer base plate;
an iron backing plate;
a threaded spike nail;
a rail lower backing plate;
the inner side surface of the gauge baffle, which is close to the steel rail, is a spigot end surface, and the outer side surface of the gauge baffle, which is far away from the steel rail, is an attaching and pressing end surface;
a pair of spring strips;
the upper surface of the steel rail supporting foundation is provided with insulating buffer base plates at intervals along the laying direction of the steel rail, the upper surface of each insulating buffer base plate is inwards concave to form an iron base plate placing cavity, and the bottom of each iron base plate is embedded in the iron base plate placing cavity in a copying manner;
locking positioning holes are formed in two sides of the iron base plate in the width direction, bolt through holes are formed in the positions, corresponding to two sides of a steel rail, of the iron base plate respectively, threaded sections of T-shaped bolts penetrate through the bolt through holes from bottom to top and are arranged in a protruding mode, the upper surface of the iron base plate is an inclined surface with an inclination, and protruding positioning protrusions are further arranged on two sides of the iron base plate in the width direction;
the threaded pointed nail penetrates through the locking positioning hole and the insulating buffer base plate from top to bottom and is fixedly inserted into the steel rail supporting foundation;
the steel rail is supported on the upper surface of the base plate, the corresponding width end surface formed by the steel rail and the lower base plate of the rail is tightly attached to the spigot end surface of the corresponding gauge baffle, and the attaching and pressing end surface of the gauge baffle is tightly attached to the positioning bulge at the corresponding position;
an elastic strip is sleeved on the threaded section of the upper part of each T-shaped bolt, a locking nut is in threaded connection with the threaded section, the locking nut is pressed on the upper surface of the elastic strip, the inner end of the elastic strip is pressed on the paved upper surface of the steel rail, and the outer end of the elastic strip is pressed on the upper surface of the gauge baffle.
2. A composite tie clip for a rail as claimed in claim 1, wherein: the upper surface of gauge baffle is provided with bullet strip and presses and attaches the groove, the outer end of bullet strip presses to attach in the bullet strip presses and attaches the inslot.
3. A composite tie clip for a rail as claimed in claim 1, wherein: two locking positioning holes are formed in two sides of each iron base plate in the width direction.
4. A composite tie clip for a rail as claimed in claim 3, wherein: and the positioning bulges on the two sides of the iron base plate in the width direction are arranged in a protruding mode along the periphery of the locking positioning hole.
5. A composite tie clip for a rail as claimed in claim 4, wherein: the outer side face of the gauge baffle is arranged in a shape of two protruding positioning bulges in a copying mode, and the outer side face of the gauge baffle is arranged in a mode of being attached to the positioning bulges of the iron base plate in a closely-arranged mode.
6. A composite tie clip for a rail as claimed in claim 1, wherein: the locking nut is pressed on the flat washer and then is pressed on the upper surface of the center of the elastic strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123353987.XU CN217324764U (en) | 2021-12-28 | 2021-12-28 | Composite sleeper fastener for steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123353987.XU CN217324764U (en) | 2021-12-28 | 2021-12-28 | Composite sleeper fastener for steel rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217324764U true CN217324764U (en) | 2022-08-30 |
Family
ID=82992329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123353987.XU Active CN217324764U (en) | 2021-12-28 | 2021-12-28 | Composite sleeper fastener for steel rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217324764U (en) |
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2021
- 2021-12-28 CN CN202123353987.XU patent/CN217324764U/en active Active
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