CN220266201U

CN220266201U - Track fastener

Info

Publication number: CN220266201U
Application number: CN202320896811.9U
Authority: CN
Inventors: 沙金洋; 树士轩; 单东文; 夏正如
Original assignee: Jiangsu Jinyang Machinery Co ltd
Current assignee: Jiangsu Jinyang Machinery Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-12-29
Anticipated expiration: 2033-04-20

Abstract

The utility model belongs to the technical field of rail fasteners, in particular to a rail fastener which comprises a sleeper rail; an inverted trapezoid groove is formed in the top of the sleeper rail; a rubber backing plate is arranged at the bottom of the inverted trapezoid groove; the top of the rubber backing plate is provided with a rail; a pair of elastic pads are arranged at the bottom of the inverted trapezoid groove, and are symmetrically distributed along the rail; an iron base plate and a baffle are arranged at the top of the elastic pad, and two sides of the baffle are respectively contacted with the inclined surface of the inverted trapezoid groove, the side wall of the iron base plate and the top of the iron base plate; insulating blocks are arranged on the iron base plate and the rail; the elastic strip is used for a long time and densely, so that metal fatigue occurs to the elastic strip due to material reasons, elasticity of the elastic strip is reduced, and serious consequences that connection of a steel rail and a sleeper rail is unstable and rail safety cannot be guaranteed are caused.

Description

Track fastener

Technical Field

The utility model belongs to the technical field of rail fasteners, and particularly relates to a rail fastener.

Background

The rail fastener can be used on a train rail or a subway rail, wherein in train application, the rail fastener is a part for connecting a steel rail and a sleeper rail on the rail, and comprises a track spike, a rail lower backing plate and an elastic or rigid buckling piece for keeping track gauge and preventing the steel rail from moving longitudinally and transversely relative to the sleeper rail, and can effectively keep the reliable connection of the steel rail and the sleeper rail for a long time, play a buffering and damping role and promote the durability of the fastener.

One chinese patent with patent number CN218404861U discloses a subway rail fastener, including the iron backing plate, the middle part of iron backing plate holds in the palm and has put the subway rail, two die-blocks have all been welded to the top surface both sides of iron backing plate, be provided with the draw-in groove on the die-block, the joint has T type bolt locking mechanism in the draw-in groove, be provided with the bullet strip on the die-block, the bullet strip passes through T type bolt locking mechanism fixed connection on the die-block, bullet strip one side is supported on the subway rail, the both sides welding of iron backing plate has the fender seat, be provided with in the fender seat and accomodate the groove, be provided with a plurality of springs in the accomodate the inslot, the import joint of accomodate the groove has the U type seat of keeping out, thereby bullet strip joint is on the U type seat of keeping out, thereby reduce the vibrations deformation that the bullet strip received with the cooperation of spring, protection bullet strip, improvement life.

In the prior art, the elastic strip is adopted to buffer and damp the steel rail through self deformation, but the elastic strip is used densely for a long time, so that the elastic strip is tired due to materials, the elasticity of the elastic strip is reduced, the serious consequences that the connection between the steel rail and the sleeper rail is unstable and the rail safety cannot be guaranteed are caused, the elastic strip cost is higher than that of common steel, and the replacement cost is high.

Disclosure of Invention

In order to make up the defect of the prior art, the track fastener is solved and is adopted the bullet strip to play buffering, absorbing effect through self deformation more, but long-time and intensive use bullet strip for bullet strip itself appears metal fatigue because of the material reason, leads to the elasticity of bullet strip to descend, and then causes the serious result that rail and sleeper rail's connection is unstable, track safety can not be ensured, and bullet strip cost is higher than ordinary steel, problem that the replacement cost is high.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a track fastener, which comprises sleeper rails; an inverted trapezoid groove is formed in the top of the sleeper rail; a rubber backing plate is arranged at the bottom of the inverted trapezoid groove; the top of the rubber backing plate is provided with a rail; a pair of elastic pads are arranged at the bottom of the inverted trapezoid groove, and are symmetrically distributed along the rail; an iron base plate and a baffle are arranged at the top of the elastic pad, and two sides of the baffle are respectively contacted with the inclined surface of the inverted trapezoid groove, the side wall of the iron base plate and the top of the iron base plate; insulating blocks are arranged on the iron base plate and the rail; the tops of the baffle and the insulating block are provided with placing grooves; a spring strip is arranged between the pair of placing grooves; an iron baffle is arranged at the top of the spring strip; the bottom of the iron partition plate is provided with a clamping groove which is matched with the elastic strip; a group of springs are fixedly connected to the top of the iron partition plate; the top of one group of springs is fixedly connected with a spring plate; an embedded pipe is arranged in the sleeper; the top of the spring plate is provided with a threaded hole, and the threaded hole penetrates through the iron partition plate and the iron backing plate; a threaded bolt is arranged in the threaded hole; and a gasket is arranged on the outer wall of the threaded bolt.

Preferably, a group of sleeves are fixedly connected to the top of the iron partition plate, and the sleeves are matched with the springs.

Preferably, the inclined planes at two sides of the inverted trapezoid groove are provided with first limit grooves; a second limit groove is formed in the top of the insulating block; and the first limit groove and the second limit groove are corresponding to the positions of the two ends of the spring plate.

Preferably, the second limiting groove is an arc groove.

Preferably, the arc-shaped surface of the second limit groove is fixedly connected with a limit block; the outer wall of the spring plate is fixedly connected with a clamping block, and the clamping block corresponds to the limiting block in position.

Preferably, the surfaces of the threaded bolt, the spring plate, the spring, the sleeve, the iron partition plate, the spring strip and the iron backing plate are all electroplated with corrosion-resistant materials.

The beneficial effects of the utility model are as follows:

1. according to the track fastener, the rubber backing plate, the rail, the elastic pad and the iron backing plate are sequentially placed on the sleeper rail, the baffle and the insulating block enable the iron backing plate to be arranged below the clamp bottom, the insulating block plays a role of separating the rail and the fastener, then the elastic strip is placed in the placing groove, the elastic strip is limited through the placing groove, then the elastic plate is placed on the elastic strip, the clamping groove at the bottom of the elastic plate plays a role of limiting the elastic strip, downward deformation force of the elastic plate can directly act on the elastic strip, the elastic plate and the elastic strip are prevented from being inappropriately contacted, the elastic strip cannot bear downward deformation force of the elastic plate, the elastic strip is arranged above the elastic strip, a part of bearing force can be replaced by the elastic strip, the elastic strip is prevented from being singly used, the service life is reduced, and finally parts below the elastic plate and the embedded pipe are fixed through the threaded bolt.

2. According to the track fastener, the elastic plate, the sleeper rail and the insulating block can be better fixed through the arrangement of the first limit groove and the second limit groove, and when the elastic plate is stressed downwards through the arrangement of the arc-shaped groove, one side of the elastic plate can be provided with a part slightly sliding and unloading force in the arc-shaped groove, so that the durability of the elastic plate can be effectively improved.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front partial block diagram of the present utility model;

FIG. 3 is a front cross-sectional view of the present utility model;

FIG. 4 is an enlarged view at A in FIG. 3;

in the figure: 1. sleeper rail; 2. inverted trapezoidal grooves; 3. a rubber backing plate; 4. a rail; 5. an elastic pad; 6. an iron backing plate; 7. a baffle; 8. an insulating block; 9. a placement groove; 10. spring strips; 11. an iron separator; 12. a spring plate; 13. a threaded bolt; 14. a gasket; 15. a sleeve; 16. a first limit groove; 17. the second limit groove; 18. a limiting block; 19. and a clamping block.

Detailed Description

The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 4, a track fastener according to an embodiment of the present utility model includes a sleeper 1; an inverted trapezoidal groove 2 is formed in the top of the sleeper rail 1; a rubber backing plate 3 is arranged at the bottom of the inverted trapezoid groove 2; the top of the rubber backing plate 3 is provided with a rail 4; a pair of elastic pads 5 are arranged at the bottom of the inverted trapezoidal groove 2, and the pair of elastic pads 5 are symmetrically distributed along the rail 4; an iron base plate 6 and a baffle plate 7 are arranged at the top of the elastic pad 5, and two sides of the baffle plate 7 are respectively contacted with the inclined surface of the inverted trapezoid groove 2, the side wall and the top of the iron base plate 6; the iron pad 6 and the rail 4 are provided with insulating blocks 8; the tops of the baffle 7 and the insulating block 8 are provided with a placing groove 9; a spring strip 10 is arranged between the pair of placing grooves 9; an iron partition plate 11 is arranged at the top of the spring strip 10; a clamping groove is formed in the bottom of the iron partition plate 11 and is matched with the elastic strip 10; a group of springs are fixedly connected to the top of the iron partition plate 11; the top of one group of springs is fixedly connected with a spring plate 12; an embedded pipe is arranged in the sleeper rail 1; threaded holes are formed in the top of the spring plate 12, and penetrate through the iron partition plate 11 and the iron base plate 6; a threaded bolt 13 is arranged in the threaded hole; a gasket 14 is arranged on the outer wall of the threaded bolt 13; during operation, through placing rubber backing plate 3, rail 4, elastic pad 5, iron backing plate 6 in proper order on pillow 1, baffle 7 and insulating piece 8 are under the card end iron backing plate 6, insulating piece 8 plays the effect of keeping apart rail 4 and fastener combination, then put into standing groove 9 with bullet strip 10, spacing bullet strip 10 through standing groove 9, then place fly plate 12 on bullet strip 10, the draw-in groove of fly plate 12 bottom plays the effect to bullet strip 10 is spacing, can make down force of deformation of fly plate 12 can directly act on bullet strip 10, avoid the contact unsuitable of fly plate 12 and bullet strip 10, lead to bullet strip 10 to play the effect of accepting down deformation force of bullet plate 12, above setting, can make bullet plate 12 play partly accept the effect instead of bullet strip 10, avoid bullet strip 10 to use alone, lead to the life to descend, finally fix the part and the buried pipe below the bullet plate 12 through screw thread bolt 13 mutually.

A group of sleeves 15 are fixedly connected to the top of the iron partition plate 11, and the sleeves 15 are matched with springs; in operation, by means of the sleeve 15, a force can be applied to the spring in a direction which avoids the spring tilting to one side.

The inclined planes at two sides of the inverted trapezoidal groove 2 are provided with first limit grooves 16; a second limit groove 17 is formed in the top of the insulating block 8; the first limit groove 16 and the second limit groove 17 correspond to the positions of the two ends of the spring plate 12; during operation, the spring plate 12, the sleeper rail 1 and the insulating block 8 can be better fixed through the establishment of the first limit groove 16 and the second limit groove 17.

The second limit groove 17 is an arc groove; when the elastic plate 12 is stressed downwards, one side of the elastic plate 12 can be provided with a part slightly sliding to unload force in the arc-shaped groove through the establishment of the arc-shaped groove, so that the durability of the elastic plate 12 can be effectively improved.

A limiting block 18 is fixedly connected with the arc-shaped surface of the second limiting groove 17; the outer wall of the spring plate 12 is fixedly connected with a clamping block 19, and the positions of the clamping block 19 and the limiting block 18 are corresponding; during operation, through setting up of stopper 18 and screens piece 19, avoid the one end of spring plate 12 because the life is long, spring plate 12 elasticity is poor, leads to spring plate 12 one end to slide out the arc wall.

The surfaces of the threaded bolt 13, the spring plate 12, the spring, the sleeve 15, the iron partition plate 11, the spring strip 10 and the iron backing plate 6 are all electroplated with corrosion-resistant materials; during working, the service life of the parts can be prolonged by electroplating the corrosion-resistant material, so that railway accidents are avoided.

Working principle: through placing rubber backing plate 3, rail 4, elastic pad 5, iron backing plate 6 in proper order on sleeper 1, baffle 7 and insulating piece 8 are under the card end iron backing plate 6, insulating piece 8 plays the effect of keeping apart rail 4 and fastener combination, then put bullet strip 10 into standing groove 9, spacing bullet strip 10 through standing groove 9, then place bullet plate 12 on bullet strip 10, the draw-in groove of bullet plate 12 bottom plays the effect of spacing bullet strip 10, can make the downward force of deformation of bullet plate 12 can directly act on bullet strip 10, avoid the contact unsuitable of bullet plate 12 and bullet strip 10, it plays the effect of accepting to lead to bullet plate 12 to lead to bullet plate 10 to down deformation force, set up in order to, can make bullet plate 12 replace bullet strip 10 to play partly accept the effect, avoid the exclusive use of bullet strip 10, lead to the service life to drop, finally, part and pre-buried pipe under with bullet plate 12 through threaded bolt 13 are fixed mutually, can provide a direction to the spring through setting up, can set up one side to the spring, can be through first side of spring 16 and the slope limit groove 12, can be through setting up one end of arc-shaped groove 12, can be used to the arc-shaped arc plate 12 is avoided, one end is flexible to the arc-shaped to the arc plate 12 is avoided, the one end can be increased through the arc-shaped groove 12 is flexible, the arc-shaped to be used to the arc-shaped plate 12 is avoided, the end is flexible to be used to the arc-shaped to be more flexible, the one end is more flexible to be used to the elastic plate 12 is 12, the limit plate is 12, can set up, the arc 18 is easy to be used to set up, and can set up the one end is more flexible, and can has the limit material is used to be used to the arc 18.

The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A track fastener, characterized in that: comprises a sleeper rail (1); an inverted trapezoid groove (2) is formed in the top of the sleeper rail (1); a rubber backing plate (3) is arranged at the bottom of the inverted trapezoid groove (2); the top of the rubber backing plate (3) is provided with a rail (4); a pair of elastic pads (5) are arranged at the bottom of the inverted trapezoid groove (2), and the pair of elastic pads (5) are symmetrically distributed along the rail (4); an iron base plate (6) and a baffle (7) are arranged at the top of the elastic pad (5), and two sides of the baffle (7) are respectively contacted with the inclined surface of the inverted trapezoid groove (2) and the side wall and the top of the iron base plate (6); insulating blocks (8) are arranged on the iron base plate (6) and the rail (4); the tops of the baffle (7) and the insulating block (8) are provided with a placing groove (9); a spring strip (10) is arranged between the pair of placing grooves (9); an iron baffle plate (11) is arranged at the top of the elastic strip (10); a clamping groove is formed in the bottom of the iron partition plate (11), and the clamping groove is matched with the elastic strip (10); a group of springs are fixedly connected to the top of the iron partition plate (11); the top of one group of springs is fixedly connected with a spring plate (12); an embedded pipe is arranged in the sleeper rail (1); threaded holes are formed in the tops of the spring plates (12), and penetrate through the iron separation plates (11) and the iron backing plates (6); a threaded bolt (13) is arranged in the threaded hole; the outer wall of the threaded bolt (13) is provided with a gasket (14).

2. A track fastener as claimed in claim 1 wherein: a group of sleeves (15) are fixedly connected to the top of the iron partition plate (11), and the sleeves (15) are matched with the springs.

3. A track fastener as claimed in claim 2 wherein: the inclined planes at two sides of the inverted trapezoid groove (2) are provided with first limit grooves (16); a second limit groove (17) is formed in the top of the insulating block (8); and the first limit groove (16) and the second limit groove (17) are corresponding to the positions of the two ends of the spring plate (12).

4. A track fastener as claimed in claim 3 wherein: the second limit groove (17) is an arc-shaped groove.

5. A track fastener as claimed in claim 4 wherein: a limiting block (18) is fixedly connected to the arc-shaped surface of the second limiting groove (17); the outer wall of the spring plate (12) is fixedly connected with a clamping block (19), and the clamping block (19) and the limiting block (18) are corresponding in position.

6. A track fastener as claimed in claim 5 wherein: the surfaces of the threaded bolt (13), the spring plate (12), the spring, the sleeve (15), the iron partition plate (11), the spring strip (10) and the iron backing plate (6) are all electroplated with corrosion-resistant materials.