CN218466218U

CN218466218U - Embedded damping fastener

Info

Publication number: CN218466218U
Application number: CN202222295945.3U
Authority: CN
Inventors: 胡华勇; 陶波; 杨灶鑫; 廖忠棋
Original assignee: China Railway Longchang Materials Co Ltd
Current assignee: China Railway Longchang Materials Co Ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-02-10
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses an embedded damping fastener, which comprises a sleeper and an embedded sleeve embedded in the sleeper, wherein an insulating coupling plate is laid on the sleeper, an iron base plate is arranged above the insulating coupling plate, and a diagonal angle of the iron base plate is provided with a sawtooth which is used for being matched with the sawtooth arranged on a distance-adjusting buckle plate; the other opposite angle of the iron base plate is provided with an elastic strip mounting seat for mounting an elastic strip; a through hole is arranged in the middle of the iron base plate, and the embedded rubber base plate and the embedded iron base plate are sequentially placed in the through hole; laying a lower rail base plate above the embedded iron base plate, laying a steel rail on the lower rail base plate, arranging an insulating gauge block between the steel rail and the elastic strip mounting seat, and enabling the anchoring bolt to sequentially penetrate through the distance adjusting buckle plate, the iron base plate and the insulating coupling plate to be in threaded connection with the embedded sleeve. Compared with the prior art, the utility model has the positive effects that: compared with the existing vibration damping fastener, the vibration damping fastener has the characteristics of large transverse adjustment amount, simple part structure, low installation height, certain transverse force resisting rigidity and the like.

Description

Embedded damping fastener

Technical Field

The utility model relates to an embedded damping fastener.

Background

With the acceleration of urban rail transit construction progress in China, more and more urban rail lines pass through sections with strict requirements on vibration and noise, such as residential areas, schools and the like. In order to reduce noise and vibration generated during the operation of the rail transit, new products such as a floating track bed plate, a steel rail damper, a vibration damping fastener and the like are applied to the rail transit. The vibration reduction fastener is widely applied to rail transit construction due to the factors of relative convenience in maintenance, low construction cost, good vibration reduction and noise reduction effects and the like.

To realize the vibration reduction and noise reduction functions, the vibration reduction fastener needs to have lower vertical rigidity, and vibration energy transmitted to the steel rail from the train is ensured to be absorbed by the fastener system to the maximum extent. In addition, because of the train in the operation process, can produce certain transverse force between the wheel rail, under the effect of transverse force, the rail can deviate from original position gradually, unfavorable condition such as gauge enlargement appear. The damping fastener system still needs to have certain anti transverse force function, ensures that self structure has certain transverse strength, keeps the gauge simultaneously.

In the prior art, the sink-embedded damping fastener is mainly to sink a rubber pad into an underlying iron pad, such as the sink-embedded damping fastener patent with application publication No. CN 108457138A. The present vibration damping fastener has certain problems, such as complex structure and processing technology of parts, high mounting height, insufficient transverse adjustment and the like.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above shortcoming of prior art, the utility model provides an embedded damping fastener compares in current damping fastener have that the lateral adjustment volume is big, spare part simple structure, mounting height hang down, have characteristics such as certain anti transverse force rigidity.

The utility model provides a technical scheme that its technical problem adopted is: an embedded vibration damping fastener comprises a sleeper and an embedded sleeve embedded in the sleeper, wherein an insulating coupling plate is laid on the sleeper, an iron base plate is arranged above the insulating coupling plate, and sawteeth are arranged on one diagonal of the iron base plate and are used for being matched with the sawteeth arranged on a distance-adjusting buckle plate; the other opposite angle of the iron base plate is provided with an elastic strip mounting seat for mounting an elastic strip; a through hole is arranged in the middle of the iron base plate, and the embedded rubber base plate and the embedded iron base plate are sequentially placed in the through hole; laying a lower rail base plate above the embedded iron base plate, laying a steel rail on the lower rail base plate, arranging an insulating gauge block between the steel rail and the elastic strip mounting seat, and enabling the anchoring bolt to sequentially penetrate through the distance adjusting buckle plate, the iron base plate and the insulating coupling plate to be in threaded connection with the embedded sleeve.

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

(1) Has good insulating property

The embedded sleeve, the insulating coupling plate and the insulating gauge block play an insulating role together in the fastener system.

(2) Has certain transverse force resisting capacity

After the upper surface and the lower surface of the insulating coupling plate are subjected to embossing treatment, the friction force can be effectively increased, and meanwhile, the anchoring bolts are matched, so that the fastener system has certain transverse force resistance, and the track gauge and the track direction are ensured.

(3) Has a certain transverse adjustment capability

The sawtooth features on the iron base plate are matched with those of the distance adjusting buckle plate, and if necessary, the sawtooth features on the iron base plate can be matched with insulating track gauge blocks of different specifications to realize large transverse distance adjustment.

(4) Simple structure

The utility model discloses a fastener system simple structure does not have the spare part of complicacy very much, and on-the-spot equipment, maintenance are easy, and spare part structure simple relatively still can reduce the manufacturing cost of spare part.

(5) Has better vibration and noise reduction function

The rubber backing plate is sunk into the iron backing plate, so that the position of the rubber backing plate in the fastener system can be kept, the rubber backing plate can only move along the vertical direction, the elastic function of the rubber backing plate is fully exerted, the reliability of the rubber backing plate in a service state can be ensured by the structure, the rubber backing plate still keeps the position under severe conditions, and the function of an elastic element is not lost.

Drawings

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

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

fig. 2 is a schematic structural view of the dielectric coupling plate 2;

fig. 3 is a schematic structural view of the iron shim plate 3;

FIG. 4 is a schematic structural view of the rubber pad 4;

fig. 5 is a schematic structural view of the embedded iron backing plate 5;

fig. 6 is a schematic structural view of the adjustable pinch plate 10.

Detailed Description

An embedded vibration damping fastener, as shown in fig. 1, comprising: pre-buried sleeve 1, insulating coupling plate 2, iron tie plate 3, sink and inlay rubber backing plate 4, embedded iron tie plate 5, rail bed spacer 6, insulating gauge block 7, bullet strip 8, anchor bolt 9, roll adjustment buckle 10 etc. wherein:

the structure of the insulating coupling plate 2 is shown in fig. 2, and the insulating coupling plate 2 is provided with a long round through hole 2.1 for installing an anchoring bolt 9; embossing is carried out on two sides of the insulating coupling plate 2.

The structure of the iron base plate 3 is shown in fig. 3, a sawtooth feature 3.1 is arranged on one diagonal of the iron base plate 3 and is used for being matched with a sawtooth feature 10.1 arranged on a distance adjusting buckle plate 10 to realize the distance adjusting function and ensure the transverse adjustment amount of a fastener system; an elastic strip mounting seat 3.2 matched with the type of the elastic strip is arranged on the other opposite angle of the iron base plate 3 and used for mounting the elastic strip 8; the middle part of the iron base plate 3 is provided with a through hole 3.3 for placing a sinking rubber base plate 4 and an embedded iron base plate 5 therein; the edge of the through hole 3.3 is provided with a retaining shoulder 3.4 for limiting the embedded rubber base plate 4 and the embedded iron base plate 5 so that the embedded rubber base plate 4 and the embedded iron base plate 5 do not move longitudinally and transversely to generate dislocation, the retaining shoulder 3.4 is shown in the figure as one of the expression forms, and the shape of the retaining shoulder can be designed according to specific requirements; and long round through holes 3.5 are formed in the saw teeth 3.1 and used for allowing the anchor bolts to penetrate through.

The structure of the sinking and embedding rubber cushion plate 4 is shown in fig. 4, and round tables 4.2 are arranged on the upper surface and the lower surface of the sinking and embedding rubber cushion plate 4 to enhance the elasticity of the fastener system; during assembly, the embedded rubber pad 4 is placed in the through hole 3.3, and the side surface 4.1 of the embedded rubber pad is attached to the inner wall surface of the through hole 3.3.

The structure of the embedded iron base plate is shown in fig. 5, the embedded iron base plate 5 is a square iron base plate and is arranged on the embedded rubber base plate 4; after the upper surface 5.1 of the embedded iron backing plate is installed, the upper surface is higher than the upper surface of the retaining shoulder 3.4, so that the elastic function of the embedded rubber backing plate can be fully exerted; the side surface 5.2 of the embedded iron backing plate is attached to the inner wall surface of the through hole 3.3 after the embedded iron backing plate is installed.

The structure of the distance-adjusting buckle plate 10 is shown in fig. 6, sawteeth 10.1 are arranged on the distance-adjusting buckle plate 10, and the sawteeth 10.1 are matched with the sawteeth 3.1 on the iron base plate to realize the function of transverse adjustment; the distance-adjusting buckle plate 10 is also provided with a circular through hole 10.2, and the circular through hole 10.2 is used for penetrating through the anchoring bolt 9 to fasten the iron base plate 3.

The utility model discloses the function of realization:

(1) Has good insulating property

The embedded sleeve 1, the insulating coupling plate 2 and the insulating gauge block 7 play an insulating role together in the fastener system.

(2) Has certain transverse force resistance

After the upper surface and the lower surface of the insulating coupling plate 2 are subjected to embossing treatment, the friction force can be effectively increased, and meanwhile, the anchoring bolts 9 are matched, so that the fastener system has certain transverse force resistance, and the track gauge and the track direction are ensured.

(3) Has a certain transverse adjustment capability

The sawtooth feature 3.1 on the iron backing plate 3 is matched with the sawtooth feature 10.1 of the distance adjusting buckle plate 10, and if necessary, the sawtooth feature can be matched with the insulating track gauge block 7 with different specifications to realize large transverse distance adjustment.

(4) Has better vibration and noise reduction function

The rubber backing plate 4 is sunk into the iron backing plate 3, so that the position of the rubber backing plate in the fastener system can be kept, the rubber backing plate can only move along the vertical direction, the elastic function of the rubber backing plate is fully exerted, the reliability of the rubber backing plate in a service state can be ensured by the structure, the rubber backing plate still keeps the position under severe conditions, and the effect of an elastic element is not lost.

(5) Simple structure

The utility model discloses a fastener system simple structure does not have the spare part of complicacy very much, and on-the-spot equipment, maintenance are easy, and simple spare part structure still can reduce the manufacturing cost of spare part relatively.

Claims

1. An embedded damping fastener which characterized in that: the sleeper-mounted distance adjusting buckle comprises a sleeper and an embedded sleeve embedded in the sleeper, wherein an insulating coupling plate is laid on the sleeper, an iron base plate is arranged above the insulating coupling plate, and a sawtooth is arranged on one diagonal of the iron base plate and used for being matched with the sawtooth arranged on the distance adjusting buckle plate; the other opposite angle of the iron base plate is provided with an elastic strip mounting seat for mounting an elastic strip; a through hole is arranged in the middle of the iron base plate, and the embedded rubber base plate and the embedded iron base plate are sequentially placed in the through hole; a lower rail base plate is laid above the embedded iron base plate, a steel rail is laid on the lower rail base plate, an insulating gauge block is arranged between the steel rail and the elastic strip mounting seat, and an anchoring bolt sequentially penetrates through the distance adjusting buckle plate, the iron base plate and the insulating coupling plate to be in threaded connection with the embedded sleeve.

2. The embedded vibration damping fastener according to claim 1, wherein: and the insulating coupling plate is provided with a long round through hole for installing an anchoring bolt.

3. The embedded vibration damping fastener according to claim 1, wherein: embossing treatment is carried out on the upper surface and the lower surface of the insulating coupling plate.

4. The embedded vibration damping fastener according to claim 1, wherein: and long round through holes are formed in the sawteeth of the iron base plate and used for installing anchoring bolts.

5. The embedded vibration damping fastener according to claim 1, wherein: and a retaining shoulder is arranged at the edge of the through hole of the iron base plate and used for limiting the embedded rubber base plate and the embedded iron base plate.

6. The embedded vibration damping fastener of claim 5, wherein: the upper surface of the embedded iron base plate is higher than the upper surface of the retaining shoulder.

7. The embedded vibration damping fastener of claim 1, wherein: the side surface of the embedded iron base plate is attached to the inner wall surface of the through hole of the iron base plate.

8. The embedded vibration damping fastener according to claim 1, wherein: the side surface of the embedded rubber pad is attached to the inner wall surface of the through hole of the iron pad.

9. The embedded vibration damping fastener according to claim 1, wherein: the upper surface and the lower surface of the embedded rubber base plate are provided with round tables.

10. The embedded vibration damping fastener of claim 1, wherein: and the distance-adjusting buckle plate is provided with a long round through hole for installing an anchoring bolt.