CN211922095U

CN211922095U - Transverse reinforced ballastless track fastener system

Info

Publication number: CN211922095U
Application number: CN202022300719.0U
Authority: CN
Inventors: 刘雪锋; 马佳骏; 冉蕾; 张庆; 丁静波; 薛玥; 张济淳; 黄慧超
Original assignee: China Railway Engineering Consulting Group Co Ltd
Current assignee: China Railway Engineering Consulting Group Co Ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2020-11-13
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a transverse reinforced ballastless track fastener system, which is used for fixing a steel rail on a sleeper, wherein two ends of the sleeper are provided with retaining shoulders, the transverse reinforced ballastless track fastener system comprises an elastic base plate, an iron base plate and a first base plate which are sequentially arranged on the sleeper from bottom to top, a gauge baffle is arranged between the iron base plate and the retaining shoulders, the gauge baffle, the iron base plate and the elastic base plate are fixed on the sleeper through two first fasteners, and the steel rail and the first base plate are fixed on the iron base plate through two second fasteners; the two first fasteners are distributed diagonally, the two second fasteners are distributed diagonally, and the distance between the two first fasteners is larger than that between the two second fasteners. The stress and the dynamic gauge expansion amount of the anchoring bolt can be reduced, the abnormal creeping contact can be controlled, and the corrugation of the steel rail is reduced; adopt the staggered structure, saved the space that the fastener occupy, the adaptability is stronger.

Description

Transverse reinforced ballastless track fastener system

Technical Field

The utility model discloses a fastener technical field especially relates to a horizontal strenghthened type ballastless track fastener system.

Background

The urban rail transit fastener generally adopts no fender shoulder fastener, mainly relies on the frictional force between backing plate and the sleeper to bear the transverse force, and the bolt participates in simultaneously bearing actually, and the curve transverse force of little radius is great, and the special section such as curve section or circuit irregularity because the transverse impact that the high-speed operation of train produced is too big, leads to anchor bolt damage, bending, fracture easily, causes dynamic gauge to enlarge.

SUMMERY OF THE UTILITY MODEL

The embodiment of the disclosure provides a transverse reinforced ballastless track fastener system, which solves the problem that the transverse impact generated by high-speed running of a train in a curve section or a special section with unsmooth lines and the like is overlarge. The technical scheme is as follows:

according to a first aspect of the embodiment of the disclosure, a transverse reinforced ballastless track fastener system is provided, which is used for fixing a steel rail on a sleeper, wherein two ends of the sleeper are provided with retaining shoulders, and the transverse reinforced ballastless track fastener system comprises an elastic base plate, an iron base plate and a first base plate which are sequentially arranged on the sleeper from bottom to top; the two first fasteners are distributed diagonally, the two second fasteners are distributed diagonally, and the distance between the two first fasteners is larger than that between the two second fasteners.

Adopt the staggered structure, saved the space that the fastener occupy, the adaptability is stronger.

In one embodiment, the first fastener comprises an anchor bolt with a flat washer, a heavy duty spring washer disposed between the anchor bolt and the gage plate.

In one embodiment, the anchor bolt sequentially penetrates through the gauge apron, the iron tie plate, the elastic tie plate, the first heightening tie plate and the sleeper.

In one embodiment, a plastic sleeve is disposed within the tie and the anchor bolt extends into the plastic sleeve.

In one embodiment, a first heightening pad is further disposed between the elastic pad and the sleeper.

The anchoring bolt sequentially penetrates through the gauge baffle, the iron base plate, the elastic base plate, the first heightening base plate and the sleeper; the anchoring bolt is screwed into the plastic sleeve to press the gauge baffle, the iron base plate, the elastic base plate and the first height-adjusting base plate through the flat washer and the heavy spring washer.

In one embodiment, the second fastener comprises a T-shaped bolt, a nut is sleeved on the top of the T-shaped bolt, an elastic strip is arranged between the nut and the steel rail, and an insulating gauge block is arranged between the steel rail, the first base plate and the T-shaped bolt.

The bottom of the T-shaped bolt is positioned in the iron base plate, and the steel rail is tightly pressed through the nut and the elastic strip; the insulating gauge block is positioned between the steel rail, the first base plate and the T-shaped bolt, and can be adjusted together with the gauge baffle, so that the adjustment amount is large, and the adjustment is convenient.

In one embodiment, a second heightening base plate is further arranged between the steel rail and the first base plate.

The second heightening base plate and the first heightening base plate realize vertical distance adjustment together. At the moment, the insulating gauge block is positioned in a gap between the steel rail, the first base plate, the first heightening base plate and the T-shaped bolt.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic structural view of a transverse reinforced ballastless track fastener system according to an embodiment of the present disclosure;

fig. 2 is a top view of a laterally reinforced ballastless track fastener system provided in an embodiment of the present disclosure.

In the figure, 1, a steel rail, 2, a sleeper, 3, a retaining shoulder, 4, an elastic base plate, 5, an iron base plate, 6, a first base plate, 7, a gauge baffle, 8, a first fastening piece, 9, a second fastening piece, 10, an anchoring bolt, 11, a flat washer, 12, a heavy-duty spring washer, 13, a plastic sleeve, 14, a T-shaped bolt, 15, a nut, 16, an elastic strip, 17, an insulating gauge block, 18, a first heightening base plate and 19, a second heightening base plate.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Example 1

As shown in fig. 1 and 2, a transverse reinforced ballastless track fastener system is used for fixing a steel rail 1 on a sleeper 2, wherein two ends of the sleeper 2 are provided with retaining shoulders 3, the transverse reinforced ballastless track fastener system comprises an elastic base plate 4, an iron base plate 5 and a first base plate 6 which are sequentially arranged on the sleeper 2 from bottom to top, and the steel rail 1 is positioned above the first base plate 6; a gauge baffle 7 is arranged between the iron base plate 5 and the retaining shoulder 3, the gauge baffle 7, the iron base plate 5 and the elastic base plate 4 are fixed on the sleeper 1 through two first fasteners 8, and the steel rail 2 and the first base plate 6 are fixed on the iron base plate 5 through two second fasteners 9; the two first fastening pieces 8 are distributed diagonally, the two second fastening pieces 9 are distributed diagonally, and the distance between the two first fastening pieces 8 is larger than the distance between the two second fastening pieces 9.

The lateral displacement of the fastener system is limited and its lateral force is attenuated by the contact of the gage stop 7 with the shoulder 3. Two first fasteners 8, two second fasteners 9 form parallelogram, and two first fasteners 8 are diagonal distribution, adopt the staggered structure, have saved the space that the fastener occupy, and the adaptability is stronger.

In this embodiment, the first fastening member 8 includes an anchor bolt 10, and a flat washer 11 and a heavy spring washer 12 are disposed between the anchor bolt 10 and the gage plate 7.

In this embodiment, a plastic sleeve 13 is provided in the sleeper 2, and the anchor bolt 10 extends into the plastic sleeve 13.

In this embodiment, a first height-adjusting pad 18 is further disposed between the elastic pad 4 and the sleeper 2.

The anchor bolt sequentially penetrates through the gauge baffle 7, the iron base plate 5, the elastic base plate 4, the first heightening base plate 18 and the sleeper 2; the anchor bolt 10 is screwed into the plastic sleeve 13 and presses the gauge apron 7, the iron tie plate 5, the elastic tie plate 4 and the first heightening tie plate 18 through the flat washer 11 and the heavy spring washer 12.

In this embodiment, the second fastening member 9 includes a T-shaped bolt 14, a nut 15 is sleeved on the top of the T-shaped bolt 14, an elastic strip 16 is arranged between the nut 15 and the steel rail 1, and an insulating gauge block 17 is arranged between the steel rail 1, the first base plate 6 and the T-shaped bolt 14.

The bottom of the T-shaped bolt 14 is positioned in the iron base plate 5, and the steel rail 1 is tightly pressed through a nut 15 and an elastic strip 16; the insulating gauge block 17 is positioned among the steel rail 1, the first base plate 6 and the T-shaped bolt 14, can realize gauge adjustment together with the gauge baffle, and has large adjustment amount and convenient adjustment.

In this embodiment, a second height-adjusting shim plate 19 is further disposed between the steel rail 1 and the first shim plate 6.

The second height-adjusting shim plate 19 and the first height-adjusting shim plate 18 together realize vertical distance adjustment. At this time, the insulating gauge block 17 is located in the gap between the steel rail 1, the first shim plate 6, the first heightening shim plate 18 and the T-bolt 14.

The utility model discloses a horizontal strenghthened type ballastless track fastener system, the train horizontal load that comes from the rail transmission passes through the iron tie plate and the gauge apron, transmits to the concrete fender shoulder at last, can reduce the atress of anchor bolt, the dynamic gauge expansion amount, is favorable to controlling the contact of unusual wriggling, and then reduces the rail corrugation, thereby can avoid in special section such as curve section or circuit irregularity because the problem that the horizontal impact that the train high-speed operation produced is too big; the buckling and pressing piece adopts a national iron II type elastic strip, so that the universality is good and the manufacturing cost is low; the gauge baffle and the insulating gauge block are adopted to realize gauge adjustment together, the adjustment amount is large, and the adjustment is convenient; the height of the steel rail and the elastic base plate is increased simultaneously, the height adjusting capability is strong, and anchor bolts do not need to be loosened when the steel rail and the elastic base plate are increased a little, so that the plastic sleeve is prevented from being damaged due to frequent loosening and tightening; adopt the staggered structure, saved the space that the fastener occupy, the adaptability is stronger.

In this example, other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A transverse reinforced ballastless track fastener system is used for fixing a steel rail on a sleeper, and two ends of the sleeper are provided with retaining shoulders, and the transverse reinforced ballastless track fastener system is characterized by comprising an elastic base plate, an iron base plate and a first base plate which are sequentially arranged on the sleeper from bottom to top, wherein a track gauge baffle is arranged between the iron base plate and the retaining shoulders, the track gauge baffle, the iron base plate and the elastic base plate are fixed on the sleeper through two first fasteners, and the steel rail and the first base plate are fixed on the iron base plate through two second fasteners; the two first fastening pieces are distributed diagonally, the two second fastening pieces are distributed diagonally, and the distance between the two first fastening pieces is larger than the distance between the two second fastening pieces.

2. The transverse reinforced ballastless track fastener system of claim 1, wherein the first fastener comprises an anchor bolt, and a flat washer and a heavy spring washer are arranged between the anchor bolt and the gauge apron.

3. The laterally reinforced ballastless track fastener system of claim 2, wherein a plastic sleeve is provided in the sleeper, and the anchor bolt extends into the plastic sleeve.

4. The transverse reinforced ballastless track fastener system of claim 1, wherein the second fastener comprises a T-shaped bolt, a nut is sleeved on the top of the T-shaped bolt, an elastic strip is arranged between the nut and the steel rail, and an insulation gauge block is arranged between the steel rail, the first base plate and the T-shaped bolt.

5. The transverse reinforced ballastless track fastener system of claim 1, wherein a first heightening base plate is further disposed between the elastic base plate and the sleeper.

6. The transverse reinforced ballastless track fastener system of claim 1, wherein a second heightening base plate is further disposed between the steel rail and the first base plate.