CN112127276A - Fastener of steel rail telescopic regulator - Google Patents
Fastener of steel rail telescopic regulator Download PDFInfo
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- CN112127276A CN112127276A CN202011267290.8A CN202011267290A CN112127276A CN 112127276 A CN112127276 A CN 112127276A CN 202011267290 A CN202011267290 A CN 202011267290A CN 112127276 A CN112127276 A CN 112127276A
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- antifriction
- rail
- metal
- buckle plate
- brace
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
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Abstract
The fastener comprises a metal base plate, wherein a metal antifriction rail brace is arranged on the non-working edge of a stock rail on the upper end surface of the metal base plate; the metal antifriction rail brace is vertically buckled, attached and in frictional contact with the stock rail through a nonmetal antifriction rail brace antifriction layer and is fixedly connected with the metal base plate by using a vertical T-shaped bolt; the working edge of the stock rail is provided with a metal antifriction buckle plate; the metal antifriction buckle plate is vertically buckled, attached and in frictional contact with the stock rail through the antifriction layer of the nonmetal antifriction buckle plate; and fixedly connecting the metal base plate with a vertical T-shaped bolt; a metal stop block is fixedly arranged on the upper end face of the metal base plate; a gap is reserved between the metal stop block and the metal antifriction rail brace, and a rail gauge adjusting sheet made of non-metal materials is filled in the gap. The stock rail can realize longitudinal expansion and contraction to transfer temperature stress, and ensure the linear smoothness of the rail; the in-plant assembly can be directly assembled, the quality of the product is checked and accepted without relying on reserved clearance control, the components are simple, the assembly is convenient, the assembly difficulty is greatly reduced, the production is high-efficiency, and the method is economical and practical.
Description
Technical Field
The invention belongs to the technical field of fixing parts for fixing bridge and railway tracks of buildings, and particularly relates to a steel rail telescopic regulator fastener.
Background
The rail expansion regulator is one of indispensable rail equipment on long-span steel beam bridges and bridges for laying jointless tracks, not only has a rail function, but also has the main function of regulating the expansion displacement of beam ends and the expansion displacement of long rails of long and large bridges caused by the temperature difference of beam bodies, and the temperature force of the jointless tracks on the bridges is diffused, so that the longitudinal force of the jointless tracks born by the rails and piers is reduced.
In the prior art, a rail expansion adjuster fastener disclosed by the publication number CN205046475U, a groove rail expansion adjuster disclosed by the publication number CN106337324A, a rail expansion adjuster disclosed by the publication number CN102518007A, and a rail expansion adjuster disclosed by the publication number CN202543738U generally adopt a structure that a rail brace is fastened and pressed on the upper surface of a stock rail limb to reserve a gap. The disadvantages are that: the difficulty of production, manufacture and assembly in a factory is high; the requirement on the skill of an operator is high; the rail supports are assembled one by one on site until the requirement of the reserved clearance is met through assembly and repair, so that the efficiency of on-site production is not high. In view of this, the following technical solutions are proposed.
Disclosure of Invention
The technical problems solved by the invention are as follows: the fastener of the steel rail telescopic regulator is provided, a basic rail is fastened and fixed by directly adopting a metal antifriction rail brace and a metal antifriction buckle plate which are made of metal materials on two sides of the basic rail, and a nonmetal rail brace antifriction layer and a nonmetal buckle plate antifriction layer which are made of nonmetal materials are attached to contact the upper surface of a basic rail limb to fasten the basic rail and generate a sliding friction effect with the upper surface of the rail limb, so that the basic rail can realize longitudinal telescopic transmission of temperature stress, and the linear smoothness of the rail is ensured; the in-plant assembly can be directly assembled, the quality of the acceptance check product is not controlled by the reserved clearance, the components are simple, the assembly is convenient, the assembly difficulty is greatly reduced, and the production efficiency can be greatly improved.
The technical scheme adopted by the invention is as follows: a rail expansion adjuster fastener, characterized in that: the device comprises a metal base plate, wherein the metal base plate is fixedly connected with a switch tie through a switch tie bolt connecting device, a stock rail is arranged on the upper end surface of the metal base plate, and a metal antifriction rail brace is arranged on the non-working edge of the stock rail; the metal antifriction rail brace is vertically buckled, jointed and in frictional contact with a non-working side rail limb of the stock rail through a nonmetal antifriction rail brace antifriction layer arranged on the inner side surface of the metal antifriction rail brace; the metal antifriction rail brace is fixedly connected with the metal base plate into a whole through a vertical T-shaped bolt; the working edge of the stock rail is provided with a metal antifriction buckle plate; the metal antifriction buckle plate is vertically buckled, pressed, attached and in frictional contact with a working side rail limb of the stock rail through a nonmetal antifriction buckle plate antifriction layer arranged on the inner side surface of the metal antifriction buckle plate; the metal antifriction buckle plate is fixedly connected with the metal base plate into a whole through a vertical T-shaped bolt; a metal stop block is fixedly arranged on the upper end face of the metal base plate; a gap is reserved between the vertical right side face of the metal stop block and the vertical outer side face of the metal antifriction rail brace; and a track gauge adjusting sheet made of non-metal materials is arranged in the reserved gap.
In the above technical solution, further: the metal antifriction rail brace is of an arc-shaped transition L-shaped structure; the vertical inner side face of the upper end of the arc-shaped transitional L-shaped structure is attached to the vertical outer side wall of the rail web of the stock rail; a clearance is reserved between the arc transition part of the metal antifriction rail brace arc transition L-shaped structure and the rail bottom of the stock rail; a groove is formed in the horizontal inner side face of the lower end of the arc-shaped transitional L-shaped structure; a nonmetal antifriction rail brace antifriction layer is fixedly installed in the groove in an embedded mode; the nonmetal antifriction rail brace antifriction layer is of a cubic block structure.
In the above technical solution, further: the metal antifriction rail brace is of an L-shaped structure in arc transition, the transition arc angle is any angle, and the arc transition part of the metal antifriction rail brace does not need to be attached to the arc angle between the adaptive basic rail web and the rail limb.
In the above technical solution, further: the metal antifriction buckle plate is of an inverted L-shaped structure; the inner side surface of the bottom end of the L-shaped horizontal part of the metal antifriction buckle plate is provided with a shallow groove; the shallow groove is matched with and is provided with a non-metal antifriction buckle plate antifriction layer; the anti-friction layer of the non-metal anti-friction buckle plate is of an L-shaped structure, and the L-shaped structure on the outer side of the anti-friction layer of the non-metal anti-friction buckle plate is matched with the L-shaped structure of the metal anti-friction buckle plate; and the inner side L-shaped structure of the nonmetal antifriction buckle plate antifriction layer is fit with the transition part of the rail limb fillet of the stock rail.
In the above technical solution, further: the metal antifriction rail brace and the nonmetal antifriction rail brace antifriction layer are fastened and connected into a whole up and down through a fastening screw; the metal antifriction buckle plate and the nonmetal antifriction buckle plate antifriction layer are fastened up and down through fastening screws to be connected into a whole.
In the above technical solution, further: the gauge adjustment sheet is inserted and fixed between the metal antifriction rail brace and the metal stop block; the metal stop block and the metal backing plate are fixedly connected into a whole in a welding mode.
In the above technical solution, further: and the friction coefficient of the nonmetal antifriction rail brace antifriction layer and the nonmetal antifriction buckle plate antifriction layer is 0.05-0.2.
In the above technical solution, further: the longitudinal section of the metal stop block is of a right-angle trapezoidal structure, and a gap is reserved between the right-angle vertical side wall of the right-angle trapezoidal metal stop block and the vertical outer side face of the metal antifriction rail support.
Compared with the prior art, the invention has the advantages that:
1. according to the antifriction fastener structure developed by the invention, the stock rail is fixed through the metal antifriction rail supports 1 and the metal antifriction buckle plates 3 on the two sides of the stock rail, the nonmetal antifriction rail support antifriction layer 2 and the nonmetal antifriction buckle plate antifriction layer 4 which are made of antifriction nonmetal materials are directly contacted with the upper surface of the stock rail limb, so that the effect of buckling and pressing the stock rail is achieved, in-plant assembly can be directly assembled, the quality of an acceptance product is not controlled by depending on a reserved gap, the assembly difficulty is reduced, and the production efficiency can be greatly improved.
2. According to the invention, the stock rail non-working side rail limb is provided with the metal antifriction rail brace 1 for buckling, the stock rail working side rail limb is buckled and pressed by the metal antifriction buckle plate 3, sliding friction is generated between the upper surface of the stock rail limb and the metal antifriction rail brace 1, the nonmetal antifriction rail brace antifriction layer 2 of the metal antifriction buckle plate 3 and the nonmetal antifriction buckle plate antifriction layer 4, the whole fastener structure does not move, the stock rail can realize longitudinal extension and contraction to transmit temperature stress, and the linear smoothness of the rail is ensured.
3. The antifriction fastener of the steel rail telescopic regulator mainly comprises a metal antifriction rail brace 1, a metal antifriction buckle plate 3, a nonmetal antifriction rail brace antifriction layer 2, a nonmetal antifriction buckle plate antifriction layer 4, a metal stop block 6, a gauge adjustment sheet 7 and a fastener, and has the advantages of simple structure, convenience in installation, economy and practicability.
4. The L-shaped arc transition of the metal antifriction rail brace 1 can be any angle, the arc angle between the rail waist and the rail limb of the adaptive stock rail 10 does not need to be attached during manufacturing, and the metal antifriction rail brace is easy to process, economical and practical.
5. The nonmetal antifriction rail brace antifriction layer 2 with low friction coefficient and the nonmetal antifriction buckle plate antifriction layer 4 with low friction coefficient are fixed at the contact part with the stock rail in an embedding way, so that the normal shrinkage of the stock rail subjected to temperature force transmission can be met, and the smooth operation of a rail line is ensured.
Drawings
FIG. 1 is a schematic view of an assembly structure of the present invention.
FIG. 2 is a schematic structural diagram of a metal pad and a metal stopper according to the present invention.
Fig. 3 is a top view of fig. 2.
Detailed Description
Specific embodiments of the present invention are described below with reference to FIGS. 1-3.
The following examples are given to facilitate a better understanding of the invention, but do not limit the invention. The following examples are only a part of the present invention, and not all of them. The components and materials used in the following examples are commercially available unless otherwise specified.
In the present invention, unless otherwise explicitly specified or limited, unless otherwise stated to the contrary, directional words included in the terms "upper, lower, left, right, inner, outer, top, bottom, vertical, horizontal" and the like are merely indicative of the orientation of the term in the normal use state, or for the convenience of describing the present invention and simplifying the description, or for the colloquial understanding of those skilled in the art, and should not be construed as limiting the technical solutions unless otherwise explicitly specified or limited.
In addition, in the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, and mechanically connected; may be directly connected or may be indirectly connected through other intermediate members. The specific meanings of the above terms in the present invention should be understood in a specific case to those skilled in the art.
A rail expansion adjuster fastener, characterized in that: including a metal shim plate 9. The metal base plate 9 is an inclined base plate, a non-metal rail lower base plate is arranged at the bottom end of the metal base plate 9, and the metal base plate 9 is fixedly connected with the switch tie through a switch tie bolt connecting device 8. The switch tie bolt connection device 8 is of the prior art. The switch tie bolt comprises a switch tie bolt, a spring washer, a flat washer, a composite positioning sleeve and a buffering distance adjusting block. The composite positioning sleeve and the buffering distance adjusting block are of T-shaped structures, a through hole is formed in the center, and the size of the through hole is matched with that of the switch tie bolt.
The metal tie plate 9 up end is equipped with stock rail 10, stock rail 10 left side is the non-work limit, and the right side is the work limit, stock rail 10 non-work limit is equipped with metal antifriction rail brace 1. The metal antifriction rail brace 1 is used for supporting and pressing down the non-working side rail limb of the stock rail.
The metal antifriction rail brace 1 is vertically buckled, pressed, attached and in friction contact with the non-working side rail limb of the stock rail 10 through the nonmetal antifriction rail brace antifriction layer 2 arranged on the inner side surface of the metal antifriction rail brace. The non-metal antifriction rail brace antifriction layer 2 is made of non-metal materials with high strength, high abrasion resistance and small friction coefficient. The technological parameters meet the density: 0.920-0.964 g/cm3, a heat distortion temperature (0.46MPa) of 85 ℃, and a melting point of 130-136 ℃.
In the above embodiment, further: the friction coefficient of the nonmetal antifriction rail brace antifriction layer 2 is 0.05-0.2. To meet the sliding friction requirements.
Sliding friction occurs between the upper surface of the stock rail limb and the nonmetal antifriction rail support antifriction layer 2 of the metal antifriction rail support 1, the fastener structure does not move integrally, the stock rail can realize longitudinal expansion and contraction to transfer temperature stress, and the linear smoothness of the rail is ensured.
And the metal antifriction rail brace 1 is fixedly connected with the metal backing plate 9 into a whole through a vertical T-shaped bolt 5.
In the above embodiment, further: the metal antifriction rail brace 1 is of an arc-shaped transition L-shaped structure; in the above embodiment, further: the transition arc angle of the metal antifriction rail brace 1 is any angle, and the arc transition part 102 of the metal antifriction rail brace 1 does not need to be fitted and adapted with the arc angle between the rail waist and the rail limb of the stock rail 10. Convenient manufacture, economy and practicality.
Therefore, the vertical inner side surface 101 at the upper end of the arc-shaped transitional L-shaped structure is attached to the vertical outer side wall of the rail web of the stock rail 10; a clearance is reserved between an arc transition part 102 of the metal antifriction rail brace 1 arc transition L-shaped structure and the rail bottom of the stock rail 10; the reserved gap of the stock rail expanding with heat and contracting with cold is met, and the deformation internal stress of the stock rail is reduced.
A groove 103 is formed in the horizontal inner side face of the lower end of the arc-shaped transitional L-shaped structure; the groove 103 is processed, which is beneficial to the rapid positioning and assembly of the nonmetal antifriction track support antifriction layer 2 in the groove 103. A nonmetal antifriction rail brace antifriction layer 2 is fixedly installed in the groove 103; the nonmetal antifriction rail brace antifriction layer 2 is of a cubic block structure.
In the above embodiment, further: for the structure between nonmetal antifriction rail brace antifriction layer 2 of fastening and the metal antifriction rail brace 1, increase the firmness: the metal antifriction rail brace 1 and the nonmetal antifriction rail brace antifriction layer 2 are fastened and connected into a whole up and down through a fastening screw 11.
Furthermore, the working edge of the stock rail 10 is provided with a metal antifriction buckle plate 3.
The metal antifriction buckle plate 3 is vertically buckled, pressed, attached and in friction contact with the working side rail limb of the stock rail 10 through the nonmetal antifriction buckle plate antifriction layer 4 arranged on the inner side surface of the metal antifriction buckle plate. And the metal antifriction buckle plate 3 is fixedly connected with the metal backing plate 9 into a whole through a vertical T-shaped bolt 5.
In the above embodiment, further: the metal antifriction buckle plate 3 is of an inverted L-shaped structure; the inner side surface of the bottom end of the L-shaped horizontal part 301 of the metal antifriction buckle plate 3 is provided with a shallow groove 302; the shallow groove 302 is matched with and provided with a nonmetal antifriction buckle plate antifriction layer 4; the installation of the nonmetal antifriction buckle plate antifriction layer 4 in the shallow groove 302 can be quickly positioned through the shallow groove 302, and the assembly is simplified.
The anti-friction layer 4 of the non-metal anti-friction buckle plate is of an L-shaped structure, and the L-shaped structure on the outer side of the anti-friction layer 4 of the non-metal anti-friction buckle plate is matched with the L-shaped structure of the metal anti-friction buckle plate 3; and the inner side L-shaped structure of the nonmetal antifriction buckle antifriction layer 4 is matched with the transition part of the rail limb fillet of the stock rail 10 in a fitting manner to form a sliding groove structure, so that the smoothness of sliding friction is improved.
In addition, sliding friction occurs between the upper surface of the stock rail limb and the nonmetal antifriction buckle plate antifriction layer 4 of the metal antifriction buckle plate 3, the whole fastener structure does not move, the stock rail can realize longitudinal expansion and contraction to transmit temperature stress, and the linear smoothness of the rail is ensured.
In the above embodiment, further: the friction coefficient of the nonmetal antifriction buckle plate antifriction layer 4 is 0.05-0.2. And the non-metal antifriction buckle plate antifriction layer 4 is made of a non-metal material with high strength, high abrasion resistance and small friction coefficient. The technological parameters meet the density: 0.920-0.964 g/cm3, a heat distortion temperature (0.46MPa) of 85 ℃, and a melting point of 130-136 ℃.
Further: in order to increase the firmness, the metal antifriction buckle plate 3 and the nonmetal antifriction buckle plate antifriction layer 4 are fastened and connected into a whole up and down through the fastening screw 11.
A metal stop block 6 is fixedly arranged on the upper end surface of the metal backing plate 9; in the above embodiment, further: the longitudinal section of the metal stop block 6 is of a right-angle trapezoidal structure, and a gap is reserved between the right-angle vertical side wall of the right-angle trapezoidal metal stop block 6 and the vertical outer side surface of the metal antifriction rail brace 1.
A gap is reserved between the vertical right side surface of the metal stop block 6 and the vertical outer side surface of the metal antifriction rail brace 1; the track gauge adjusting sheet 7 made of non-metal materials is arranged in the reserved gap.
In the above embodiment, further: the track gauge adjusting sheet 7 is inserted and fixed between the metal antifriction track support 1 and the metal stop block 6; the metal stop block 6 and the metal backing plate 9 are fixedly connected into a whole in a welding mode.
From the above description it can be found that: according to the antifriction fastener structure developed by the invention, the stock rail is fixed through the metal antifriction rail supports 1 and the metal antifriction buckle plates 3 on the two sides of the stock rail, the nonmetal antifriction rail support antifriction layer 2 and the nonmetal antifriction buckle plate antifriction layer 4 which are made of antifriction nonmetal materials are directly contacted with the upper surface of the stock rail limb, so that the effect of buckling and pressing the stock rail is achieved, in-plant assembly can be directly assembled, the quality of an acceptance product is not controlled by depending on a reserved gap, the assembly difficulty is reduced, and the production efficiency can be greatly improved.
In addition, the stock rail non-working side rail limb is provided with the metal antifriction rail brace 1 for buckling, the stock rail working side rail limb is buckled by the metal antifriction buckle plate 3, sliding friction is generated between the upper surface of the stock rail limb and the metal antifriction rail brace 1, the nonmetal antifriction rail brace antifriction layer 2 of the metal antifriction buckle plate 3 and the nonmetal antifriction buckle plate antifriction layer 4, the whole fastener structure does not move, the stock rail can realize longitudinal extension and contraction to transmit temperature stress, and the linear smoothness of the rail is ensured.
In addition, the antifriction fastener of the steel rail telescopic regulator mainly comprises a metal antifriction rail brace 1, a metal antifriction buckle plate 3, a nonmetal antifriction rail brace antifriction layer 2, a nonmetal antifriction buckle plate antifriction layer 4, a metal stop dog 6, a gauge adjustment sheet 7 and a fastener, and has the advantages of simple structure, convenience in installation, economy and practicability.
Moreover, the L-shaped arc transition of the metal antifriction rail brace 1 can be any angle, the arc angle between the rail waist and the rail limb of the adaptive stock rail 10 does not need to be attached during manufacturing, and the metal antifriction rail brace is easy to process, economical and practical.
In addition, the nonmetal antifriction rail brace antifriction layer 2 with low friction coefficient and the nonmetal antifriction buckle plate antifriction layer 4 with low friction coefficient are fixed at the contact part of the basic rail by embedding, so that the normal shrinkage of the basic rail due to temperature force transmission can be met, and the smooth operation of a rail line is ensured.
In conclusion, by adopting the steel rail telescopic adjuster fastener, the metal antifriction rail brace 1 and the metal antifriction buckle plate 3 which are made of metal materials on two sides of the stock rail are directly adopted to fasten and fix the stock rail 10, and the nonmetal rail brace antifriction layer 2 and the nonmetal buckle plate antifriction layer 4 which are made of nonmetal materials are attached and contacted with the upper surface of the stock rail limb to realize the effect of fastening and pressing the stock rail and generating sliding friction with the upper surface of the rail limb, so that the stock rail can realize longitudinal telescopic temperature stress transmission, and the linear smoothness of the rail is ensured; the in-plant assembly can be directly assembled, the quality of the acceptance check product is not controlled by the reserved clearance, the components are simple, the assembly is convenient, the assembly difficulty is greatly reduced, and the production efficiency can be greatly improved. Is economical, practical and efficient.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 is described in terms of one embodiment, this embodiment does not include only a single embodiment, but such description is merely for clarity, and those skilled in the art will recognize that the embodiments described in this embodiment can be combined as appropriate to form other embodiments as would be understood by those skilled in the art.
The above-mentioned embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and therefore, all equivalent changes made by the contents of the claims of the present invention should be included in the claims of the present invention.
Claims (8)
1. A rail expansion adjuster fastener, characterized in that: the device comprises a metal base plate (9), wherein the metal base plate (9) is fixedly connected with a switch tie through a switch tie bolt connecting device (8), a stock rail (10) is arranged on the upper end face of the metal base plate (9), and a metal antifriction rail brace (1) is arranged on the non-working edge of the stock rail (10); the metal antifriction rail brace (1) is vertically buckled, pressed, attached and in frictional contact with a non-working side rail limb of the stock rail (10) through a nonmetal antifriction rail brace antifriction layer (2) arranged on the inner side surface of the metal antifriction rail brace; the metal antifriction rail brace (1) is fixedly connected with the metal base plate (9) into a whole through a vertical T-shaped bolt (5); the working edge of the stock rail (10) is provided with a metal antifriction buckle plate (3); the metal antifriction buckle plate (3) is vertically buckled, pressed, attached and in frictional contact with a working side rail limb of the stock rail (10) through a nonmetal antifriction buckle plate antifriction layer (4) arranged on the inner side surface of the metal antifriction buckle plate; the metal antifriction buckle plate (3) is fixedly connected with the metal backing plate (9) into a whole through a vertical T-shaped bolt (5); a metal stop block (6) is fixedly arranged on the upper end face of the metal backing plate (9); a gap is reserved between the vertical right side surface of the metal stop block (6) and the vertical outer side surface of the metal antifriction rail support (1); a track gauge adjusting sheet (7) made of non-metal materials is arranged in the reserved gap.
2. A rail expansion adjuster clip according to claim 1, in which: the metal antifriction rail brace (1) is of an arc-shaped transition L-shaped structure; the vertical inner side surface (101) at the upper end of the arc-shaped transitional L-shaped structure is attached to the vertical outer side wall of the rail web of the stock rail (10); a clearance is reserved between an arc transition part (102) of an arc transition L-shaped structure of the metal antifriction rail brace (1) and the rail bottom of the stock rail (10); a groove (103) is arranged on the horizontal inner side surface of the lower end of the arc-shaped transitional L-shaped structure; a nonmetal antifriction rail brace antifriction layer (2) is fixedly installed in the groove (103); the nonmetal antifriction rail brace antifriction layer (2) is of a cubic block structure.
3. A rail expansion adjuster clip according to claim 1, in which: the metal antifriction rail brace (1) is of an L-shaped structure in arc transition, the transition arc angle is any angle, and the arc transition part (102) of the metal antifriction rail brace (1) does not need to be attached to the arc angle between the rail waist and the rail limb of the adaptive stock rail (10).
4. A rail expansion adjuster clip according to claim 1, in which: the metal antifriction buckle plate (3) is of an inverted L-shaped structure; the inner side surface of the bottom end of the L-shaped horizontal part (301) of the metal antifriction buckle plate (3) is provided with a shallow groove (302); the shallow groove (302) is matched with and is provided with a non-metal antifriction buckle plate antifriction layer (4); the anti-friction layer (4) of the non-metal anti-friction buckle plate is of an L-shaped structure, and the L-shaped structure on the outer side of the anti-friction layer (4) of the non-metal anti-friction buckle plate is matched with the L-shaped structure of the metal anti-friction buckle plate (3); and the inner side L-shaped structure of the nonmetal antifriction buckle plate antifriction layer (4) is fit with the rail limb fillet transition part of the stock rail (10).
5. A rail expansion adjuster clip according to claim 1, in which: the metal antifriction rail brace (1) and the nonmetal antifriction rail brace antifriction layer (2) are fastened and connected into a whole up and down through a fastening screw (11); the metal antifriction buckle plate (3) and the nonmetal antifriction buckle plate antifriction layer (4) are fastened and connected into a whole up and down through fastening screws (11).
6. A rail expansion adjuster clip according to claim 1, in which: the gauge adjusting sheet (7) is inserted and fixed between the metal antifriction rail brace (1) and the metal stop block (6); the metal stop block (6) and the metal backing plate (9) are fixedly connected into a whole in a welding mode.
7. A rail expansion adjuster clip according to claim 1, in which: the friction coefficient of the nonmetal antifriction rail brace antifriction layer (2) and the nonmetal antifriction buckle plate antifriction layer (4) is 0.05-0.2.
8. A rail expansion adjuster clip according to claim 1, in which: the longitudinal section of the metal stop block (6) is of a right-angle trapezoidal structure, and a clearance is reserved between the right-angle vertical side wall of the right-angle trapezoidal metal stop block (6) and the vertical outer side face of the metal antifriction rail brace (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011267290.8A CN112127276A (en) | 2020-11-13 | 2020-11-13 | Fastener of steel rail telescopic regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011267290.8A CN112127276A (en) | 2020-11-13 | 2020-11-13 | Fastener of steel rail telescopic regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112127276A true CN112127276A (en) | 2020-12-25 |
Family
ID=73852073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011267290.8A Pending CN112127276A (en) | 2020-11-13 | 2020-11-13 | Fastener of steel rail telescopic regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112127276A (en) |
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2020
- 2020-11-13 CN CN202011267290.8A patent/CN112127276A/en active Pending
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