CN217678363U

CN217678363U - Distance-adjustable concrete sleeper holed toothed rail fastener

Info

Publication number: CN217678363U
Application number: CN202220884584.3U
Authority: CN
Inventors: 胡华勇; 宋川; 陶波; 杨灶鑫; 廖忠棋; 侯亮
Original assignee: China Railway Longchang Materials Co Ltd
Current assignee: China Railway Longchang Materials Co Ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-10-28
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a distance-adjustable concrete sleeper hole type tooth rail fastener, which comprises a concrete sleeper and a pre-buried sleeve arranged in the concrete sleeper, wherein a heightening base plate is arranged on the concrete sleeper, two L-shaped clamp plates are arranged on the heightening base plate, distance-adjustable pinch plates are arranged on the two L-shaped clamp plates, and the distance-adjustable pinch plates, the L-shaped clamp plates, the heightening base plates and the pre-buried sleeve are connected together through second fastening bolts; set up the rack between two L type splint, the rack is fixed on L type splint through first fastening bolt and nut. Compared with the prior art, the utility model has the positive effects that: the utility model provides a coupling fastener of concrete sleeper and cogged rail solves the not enough of existing fastener, has that longitudinal resistance is big, the simple spare part of structure is few, insulating properties is good, have certain cogged rail about position and characteristics such as position adjustment ability.

Description

Distance-adjustable concrete sleeper hole type toothed rail fastener

Technical Field

The utility model relates to a concrete sleeper that adjustable distance has cellular type rack rail fastener.

Background

In recent years, along with the improvement of living standard of people, mountain tourism projects are more and more favored. The development of mountain tourism projects is usually accompanied with the development of mountain traffic, natural environment resources and geographic characteristics are fully considered in the selection of a traffic mode, and rail traffic becomes a preferred traffic mode of the mountain tourism projects. In order to adapt to the characteristic of large gradient of mountain rail transit, a tooth rail transit mode with strong climbing capability is developed.

For rack fasteners, the following performance requirements should be met. The train gear can generate larger impact force when being meshed with the rack, so the rack fastener has certain capability of resisting longitudinal force and transverse force. Because the maintenance degree of difficulty of mountain region track traffic is great, relies on digital management system, consequently the cogged rail fastener also should have good insulating properties to guarantee track circuit's normal work.

In addition, because there is certain gauge requirement between cogged rail and the rail, in the work progress, because there is certain position error in sleeper embedded casing, can't guarantee the gauge requirement between cogged rail and the rail. In order to meet the requirement of the gauge between the steel rail and the tooth rail, the concrete sleeper tooth rail fastener has the capability of adjusting the left position and the right position so as to better adapt to the field working condition.

The existing concrete sleeper toothed rail fastener can not meet the requirement of regulating the left and right positions of the toothed rail. In order to satisfy the connection demand of concrete pillow and cogged rail, the utility model provides a connection fastener of concrete pillow and cogged rail solves the not enough of existing fastener, has that longitudinal resistance is big, the simple spare part of structure is few, insulating properties is good, have characteristics such as position and height position adjustment ability about certain cogged rail.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a distance-adjustable concrete sleeper has cellular type rack rail fastener.

The utility model provides a technical scheme that its technical problem adopted is: a distance-adjustable concrete pillow toothed rail fastener with holes comprises a concrete pillow and an embedded sleeve arranged in the concrete pillow, wherein a height-adjusting base plate is arranged on the concrete pillow, two L-shaped clamp plates are arranged on the height-adjusting base plate, distance-adjusting buckle plates are arranged on the two L-shaped clamp plates, and the distance-adjusting buckle plates, the L-shaped clamp plates, the height-adjusting base plate and the embedded sleeve are connected together through second fastening bolts; set up the rack between two L type splint, the rack is fixed on L type splint through first fastening bolt and nut.

Compared with the prior art, the utility model has the positive effects that:

the utility model provides a coupling fastener of concrete sleeper and cogged rail solves the not enough of existing fastener, has that longitudinal resistance is big, the simple spare part of structure is few, insulating properties is good, have certain cogged rail about position and characteristics such as position adjustment ability. The method has the following specific advantages:

(1) The utility model discloses a porose formula rack rail fastener of concrete sleeper has certain insulating properties.

The embedded sleeve and the heightening base plate are used as insulating parts, an equivalent circuit formed between the rack and the concrete sleeper is isolated, the insulating property of a fastener system can be effectively guaranteed, and the normal operation of a track circuit is guaranteed.

(2) The utility model discloses a porose formula rack rail fastener of concrete sleeper has certain longitudinal resistance and anti transverse force ability.

The connection mode of the pre-buried sleeve and the fastening bolt, the fastening bolt and the nut can provide larger longitudinal resistance and transverse force resistance, ensure that the rack rail does not generate larger longitudinal displacement and transverse deflection, and ensure the safety of a rail system.

(3) The utility model discloses a porose formula rack rail fastener of concrete pillow has about certain on position adjustment ability L type splint sawtooth characteristic and the roll adjustment buckle sawtooth characteristic mutually support, can realize certain roll adjustment ability, satisfies the adjustment demand of position about the rack rail.

Drawings

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

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

fig. 2 is a perspective view of the present invention;

FIG. 3 is a schematic view of the structure of the height-adjustable pad;

FIG. 4 is a schematic view of an L-shaped splint;

FIG. 5 is a schematic view of the adjustable pinch plate.

Detailed Description

A distance adjustable concrete sleeper apertured rack fastener as shown in figures 1 and 2, comprising: concrete pillow 1, insulation support 2, heighten backing plate 3, L type splint 4, nut 5, rack 6, first fastening bolt 7, second fastening bolt 8, lock washer 9, roll adjustment buckle 10 etc. wherein:

the structure of the heightening base plate 3 is as shown in fig. 3, and two circular through holes 3.1 are formed in the heightening base plate 3 and used for connecting second fastening bolts 8; the heightening base plate 3 is made of a non-metal material and provides insulating property for the fastener system. According to the circuit condition, the heightening base plates with different specifications can be adopted to heighten the rack.

The structure of the L-shaped clamping plate 4 is shown in fig. 4, two circular through holes 4.1 are formed in the L-shaped clamping plate 4, and the first fastening bolt 7 fixes the rack 6 through the circular through holes 4.1 and the rack 6; the L-shaped clamp plate 4 is provided with a long round through hole 4.2, the second fastening bolt 8 penetrates through the long round through hole 4.2 and is meshed with the insulating sleeve 2, the L-shaped clamp plate 4 is fixed on a sleeper, and the long round through hole 4.2 is used for ensuring that the L-shaped clamp plate 4 can transversely move when distance adjustment is carried out; the L-shaped clamping plate 4 is provided with distance adjusting teeth 4.3, different adjustment levels are achieved through the distance adjusting teeth with different distances, and the distance adjusting teeth 4.3 are matched with the distance adjusting buckling plate 10 to achieve the distance adjusting function.

The structure of the distance-adjusting buckle plate 10 is shown in fig. 5, and a circular through hole 10.1 is formed in the distance-adjusting buckle plate 10 and used for connecting a second fastening bolt 8; the saw teeth 10.2 are arranged and matched with the distance adjusting teeth 4.3 on the L-shaped clamping plate 4 to realize the distance adjusting function.

The nut 5, the first fastening bolt 7, the second fastening bolt 8 and the anti-loose washer 9 are used in a matched mode. The first fastening bolt 7 and the second fastening bolt 8 are high-strength bolts, and the nut 5 is a nut matched with the high-strength bolts.

The insulating sleeve 2 is pre-embedded in the concrete sleeper 1 in advance. During normal installation, the heightening base plate 3 is firstly placed on the concrete sleeper 1, and the central line of the circular through hole 3.1 is kept consistent with the central line of the insulating sleeve 2. Then the L-shaped splint 4 is placed on the heightening base plate 3, and the central line of the long round through hole 4.2 is kept consistent with the central line of the round through hole 3.1 on the heightening base plate 3. And then a distance adjusting buckle plate 10 is installed, the central line of the circular hole through hole 10.1 is consistent with the central line of the long circular through hole 4.2 on the L-shaped clamp plate 4, and the saw teeth 10.2 on the distance adjusting buckle plate 10 are meshed with the saw teeth 4.3 on the L-shaped clamp plate. The rack 6 is then mounted, and the rack 6 is fixed to the L-shaped clamp plate 4 by the first fastening bolt 7 and the nut 5, with the first fastening bolt 7 temporarily not tightened. And then, a second fastening bolt 8 is matched with a locking washer 9 to connect the distance adjusting pinch plate 10, the L-shaped clamping plate 4, the height adjusting base plate 3 and the insulating sleeve 2 together. And finally, screwing the first fastening bolt 7, and fixing the rack 6 on the L-shaped clamping plate 4 to finish the whole installation process.

When the distance adjustment is needed, the second fastening bolt 8 is loosened, the distance adjustment buckle plate 10 is moved away, and other parts are kept still. And loosening the first fastening bolt 7, adjusting the transverse positions of the L-shaped clamping plate 4 and the toothed rail 6 fixed on the clamping plate, putting the distance-adjusting clamping plate 10 again after the positions are adjusted, keeping the meshing state of the saw teeth 10.2 on the distance-adjusting clamping plate 10 and the saw teeth 4.3 on the L-shaped clamping plate 4, screwing the second fastening bolt 8, and finally screwing the first fastening bolt 7 to finish the distance adjusting process.

The utility model discloses a set up roll adjustment structure (the sawtooth characteristic of transferring on the L type splint mutually supports with the sawtooth characteristic on the roll adjustment buckle), the convenience is installed at the scene to can satisfy the rack and carry out the demand of position adjustment about the track.

The utility model discloses a nonmetal buried sleeve and heighten backing plate make the fastener have good insulating ability.

Claims

1. The utility model provides a concrete sleeper of adjustable distance has cellular-type rack fastener which characterized in that: the concrete sleeper comprises a concrete sleeper and an embedded sleeve arranged in the concrete sleeper, wherein a heightening base plate is arranged on the concrete sleeper, two L-shaped clamping plates are arranged on the heightening base plate, distance adjusting buckle plates are arranged on the two L-shaped clamping plates, and the distance adjusting buckle plates, the L-shaped clamping plates, the heightening base plate and the embedded sleeve are connected together through second fastening bolts; set up the rack between two L type splint, the rack is fixed on L type splint through first fastening bolt and nut.

2. A distance adjustable concrete sleeper apertured rack fastener according to claim 1, wherein: and a long round through hole is formed in the L-shaped clamping plate, and a second fastening bolt penetrates through the long round through hole to be meshed with the embedded sleeve, so that the L-shaped clamping plate is fixed on the concrete pillow.

3. The distance-adjustable hole type rack fastener for the concrete sleeper, as claimed in claim 1, wherein: the L-shaped splint is provided with distance-adjusting teeth.

4. A distance adjustable concrete sleeper apertured rack fastener as claimed in claim 3, wherein: the distance-adjusting buckle plate is provided with saw teeth matched with the distance-adjusting teeth on the L-shaped clamp plate.

5. A distance adjustable concrete sleeper apertured rack fastener according to claim 1, wherein: and a locking washer is arranged between the second fastening bolt and the distance adjusting buckle plate.

6. The distance-adjustable hole type rack fastener for the concrete sleeper, as claimed in claim 1, wherein: the height-adjusting base plate is made of a non-metal material.

7. A distance adjustable concrete sleeper apertured rack fastener according to claim 1, wherein: the embedded sleeve is an insulating sleeve.

8. A distance adjustable concrete sleeper apertured rack fastener according to claim 1, wherein: the first fastening bolt and the second fastening bolt are high-strength bolts, and the nut is matched with the high-strength bolt.