CN112982036A

CN112982036A - A fastener device for tram is shock-resistant insulating

Info

Publication number: CN112982036A
Application number: CN202110190950.5A
Authority: CN
Inventors: 陶波; 宋川; 杨灶鑫; 张小兵; 廖忠棋
Original assignee: China Railway Longchang Materials Co Ltd
Current assignee: China Railway Longchang Materials Co Ltd
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-06-18

Abstract

The invention discloses a fastener device for impact-resistant insulation of a tramcar, which comprises a sleeper and a steel rail arranged on the sleeper, wherein an embedded sleeve which is symmetrically arranged relative to the center line of the section of the steel rail is arranged on the sleeper, an internal thread is arranged in the embedded sleeve, an insulating lining, a track gauge baffle, a baffle seat and an elastic strip are arranged on two sides of the steel rail, and a spiral spike penetrates through the elastic strip and the track gauge baffle and is in threaded connection with the embedded sleeve. Compared with the prior art, the invention has the following positive effects: the fastener device is suitable for sleepers with shoulder blocking structures, and the track gauge baffle, the spiral spike and the elastic strip are matched for use, so that the fixation is more firm, and the fastening pressure is ensured. The invention has simple structure, convenient installation and positioning and convenient maintenance, and can better meet the development of the future tramcar.

Description

A fastener device for tram is shock-resistant insulating

Technical Field

The invention relates to the technical field of railway engineering, in particular to a fastener device for a tramcar.

Background

Tramcars adopt channel-type steel rails which are mainly 59R2 and 60R2, effective contact surfaces of lower side edges of the steel rails are small, stress concentration can be caused to a gauge baffle by generated transverse force when a train passes through, and the nonmetal gauge baffle of an existing fastener has the risk of being crushed. Meanwhile, in view of potential risk factors of methane possibly existing in gas pipelines and sewers in cities, higher requirements are put on the insulating property of the fasteners.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides the impact-resistant insulating fastener device for the tramcar, which is convenient to install and position, convenient to maintain and resistant to transverse impact, can ensure the running comfort and stability, and meets the development of the tramcar in the future.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a fastener device for tram is shock-resistant insulating, including sleeper and the rail of setting on the sleeper, be provided with the buried sleeve of section central line symmetrical arrangement for the rail on the sleeper, be provided with the internal thread in the buried sleeve, all be provided with insulating lining in the both sides of rail, the gauge apron, baffle seat and bullet strip, the lateral wall in sleeper rail supporting groove is placed to the baffle seat, the bullet strip is located the top of gauge apron, the one end of bullet strip is pressed on the gauge apron, the other end is pressed on the insulating lining of rail top, be equipped with the fixed orifices that supplies the screw spike to pass on the gauge apron, the screw spike passes bullet strip and gauge apron, with buried sleeve threaded connection.

Further, the gauge apron includes connecting plate, recess, flange position, floor, supporting surface and spacing groove.

Further, the connecting plate is transited to the groove from an arc, and the groove is transited to the flange part through the arc.

Further, the baffle seat comprises a groove bearing surface for bearing the flange part, and a side wall and a bottom surface which are contacted with the rail bearing groove.

Further, the insulating lining comprises an inclined wall which is in contact with the steel rail and a limiting part which is inserted into the limiting groove.

Further, a flange is provided on the bearing surface.

Furthermore, the fixing hole is a long strip-shaped fixing hole, and the left end and the right end of the fixing hole are of semicircular structures.

Further, the screw spike comprises a spike cap and a spike rod.

Furthermore, a flat cushion block is arranged between the nail cap of the spiral spike and the elastic strip.

Further, an insulating rail pad is disposed between the tie and the rail.

Compared with the prior art, the invention has the following positive effects:

the fastener device is suitable for sleepers with shoulder blocking structures, and the track gauge baffle, the spiral spike and the elastic strip are matched for use, so that the fixation is more firm, and the fastening pressure is ensured. The invention has simple structure, convenient installation and positioning and convenient maintenance, and can better meet the development of the future tramcar.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the gage baffle of the present invention;

FIG. 3 is a schematic view of the construction of the flapper holder of the present invention;

fig. 4 is a schematic structural view of the insulating liner of the present invention, wherein: (1) is a front view, and (2) is a top view;

the reference numbers in the figures include: the track gauge baffle comprises a spiral spike 1, a flat cushion block 2, an elastic strip 3, a gauge baffle 4, a baffle seat 5, a pre-buried sleeve 6, an insulating lining 7, a rail lower cushion plate 8, a steel rail 9 and a sleeper 10; the connecting plate 41, the groove 42, the flange part 43, the fixing hole 44, the rib 45, the supporting surface 46, the limiting groove 47 and the flange 48; a recess bearing surface 51, sidewalls 52, a bottom surface 53; inclined wall 71, limit 72.

Detailed Description

A fastening device for impact-resistant insulation of a tramcar comprises a sleeper 10, an insulated rail lower base plate 8 is arranged on a rail bearing surface on the upper surface of the sleeper 10, and a steel rail 9 is arranged above the rail lower base plate 8, as shown in figure 1. The sleeper 10 is provided with embedded sleeves 6 which are symmetrically arranged about the center line of the section of the steel rail 9, internal threads are arranged in the embedded sleeves 6, the two sides of the steel rail 9 are respectively provided with an insulating lining 7, a gauge baffle 4, a baffle seat 5 and an elastic strip 3, the baffle seat 5 is placed on the side wall of a sleeper rail bearing groove, the elastic strip 3 is positioned above the gauge baffle 4, one end of the elastic strip 3 is pressed on the gauge baffle 4, the other end of the elastic strip is pressed on the insulating lining 7 above the steel rail 9, the gauge baffle 4 is provided with a fixing hole for a screw spike 1 to pass through, and the screw spike 1 sequentially passes through a flat cushion block 2, the elastic strip 3 and the gauge baffle 4 from top to bottom and is fastened with the embedded sleeves 6 embedded in the sleeper 10 through threads.

As shown in fig. 2, the gauge apron 4 is made of Q235, and includes a connecting plate 41 and a fixing hole 44 formed in the connecting plate 41, for the penetration of the screw spike 1, and at the same time, for limiting the longitudinal sliding of the fastener; the angle of the connecting plate 41 relative to the support surface 46 is 90 ° + a ° (2-6 °); the connecting plate 41 is transited to a groove 42 from an arc R1 (15-20 mm), the groove 42 is transited to a flange part 43 through the arc, the groove 42 is used for bearing the elastic strip 3, and the flange part 43 is used for being matched with the baffle seat 5; the rib plates 45 play a role in reinforcing the gauge apron 4; the bearing surface 46 is a vertical end surface and is used for limiting the transverse movement of the steel rail 9; the depth of the limiting groove 47 is h (10-20 mm), and the limiting groove is used for limiting the transverse and longitudinal movement of the insulating lining 7; the flange 48 is placed on the upper edge of the lower end face of the rail 9 and is used for preventing the gauge apron 4 from contacting with the rail bearing face.

As shown in fig. 3, the baffle seat 5 is made of glass fiber reinforced polyamide 66, and includes a groove bearing surface 51 for bearing the flange portion 43 of the gauge baffle 4; the side walls 52 and the bottom surface 53 are in contact with the rail grooves.

As shown in fig. 4, the insulating lining 7 is made of glass fiber reinforced polyamide 66, and includes an inclined wall 71, which is in contact with the steel rail 9; the limit 72 is inserted into the limit groove 47 of the gage baffle 4 for limiting.

The spiral spike 1 comprises a spike cap and a spike rod.

And a flat cushion block 2 is arranged between the spiral spike 1 and the elastic strip 3.

The fixing hole 44 of the gauge baffle is a strip-shaped fixing hole, and the left end and the right end of the fixing hole are of semicircular structures.

According to the fastener for the tramcar, the track gauge baffle 4 is made of Q235, so that the transverse movement of a steel rail is realized, and the risk that the track gauge baffle 4 is damaged is avoided; the baffle seat 5, the embedded sleeve 6 and the insulating bush 7 jointly realize the insulating function.

Claims

1. The utility model provides a fastener device for tram is shock-resistant insulating which characterized in that: including sleeper and the rail of setting on the sleeper, be provided with the pre-buried sleeve pipe for the section central line symmetrical arrangement of rail on the sleeper, be provided with the internal thread in the pre-buried sleeve pipe, both sides at the rail all are provided with insulating lining, the gauge apron, baffle seat and bullet strip, the lateral wall in sleeper support rail groove is placed to the baffle seat, the bullet strip is located the top of gauge apron, the one end of bullet strip is pressed on the gauge apron, the other end is pressed on the insulating lining of rail top, be equipped with the fixed orifices that supplies the screw spike to pass on the gauge apron, the screw spike passes bullet strip and gauge apron, with pre-buried sleeve pipe threaded connection.

2. A fastener device for impact-resistant insulation of trams according to claim 1, characterized in that: the gauge baffle comprises a connecting plate, a groove, a flange part, a rib plate, a supporting surface and a limiting groove.

3. A fastener device for impact-resistant insulation of trams according to claim 2, characterized in that: the connecting plate is transited to the groove from an arc, and the groove is transited to the flange part through the arc.

4. A fastener device for impact-resistant insulation of trams according to claim 2, characterized in that: the baffle seat comprises a groove bearing surface for bearing the flange part, and a side wall and a bottom surface which are contacted with the rail bearing groove.

5. A fastener device for impact-resistant insulation of trams according to claim 2, characterized in that: the insulating lining comprises an inclined wall which is contacted with the steel rail and a limit part which is inserted into the limit groove.

6. A fastener device for impact-resistant insulation of trams according to claim 2, characterized in that: a flange is provided on the bearing surface.

7. A fastener device for impact-resistant insulation of trams according to claim 1, characterized in that: the fixing hole is a strip-shaped fixing hole, and the left end and the right end of the fixing hole are of semicircular structures.

8. A fastener device for impact-resistant insulation of trams according to claim 1, characterized in that: the spiral spike comprises a spike cap and a spike rod.

9. A fastener device for impact-resistant insulation of trams according to claim 8, characterized in that: and a flat cushion block is arranged between the screw cap of the spiral spike and the elastic strip.

10. A fastener device for impact-resistant insulation of trams according to claim 1, characterized in that: an insulating rail lower base plate is arranged between the sleeper and the steel rail.