CN219032785U - Dual-rigidity track vibration isolator - Google Patents

Abstract

The utility model relates to the technical field of vibration isolators, in particular to a dual-rigidity track vibration isolator, which comprises the following components: the rail lower backing plate is arranged below the rail, the rail gauge block is arranged on two sides of the rail, the elastic strip is movably arranged above the rail gauge block, the lug is fixedly arranged on the elastic strip, the rail bearing plate is fixedly connected with the lug below the lug, the lug and the lug are welded, the connecting bolt is fixedly arranged above the rail gauge block, the base is arranged below the rail bearing plate, the first connecting plate is fixedly connected with the base below, the second connecting plate is arranged below the first connecting plate, and the circumference is smaller than that of the first connecting plate. Through set up the connecting plate between base and concrete sleeper, when the train passes through isolator top rail, base and concrete sleeper have the relative motion trend, and the spacing base of screw spike can be assisted to the connecting plate this moment to extension screw spike's life, and then extension isolator's life.

Description

Dual-rigidity track vibration isolator

Technical Field

The utility model relates to a vibration isolator, in particular to a dual-rigidity rail vibration isolator.

Background

The vibration isolator is an elastic element connecting the equipment and the foundation, is used for reducing and eliminating the vibration force transmitted to the foundation by the equipment and the vibration transmitted to the equipment by the foundation, and plays a role in reducing shock waves and noise in high-speed railway rails, train rails and subway rails, but the vibration isolator itself can generate impact force due to the connection problem and generate potential safety hazards, so that the connection and reinforcement of all parts of the vibration isolator is particularly necessary.

According to the chinese patent: the utility model provides a dual rigidity track isolator, includes rail bearing plate, elastomer and base triplex, its characterized in that: the lower half part of the rail bearing plate is an inverted cone ring body with an elliptical cross section; the middle part of the upper half part of the rail bearing plate is provided with a bearing platform for bearing the steel rail, two ends of the bearing platform in the long axis direction are respectively provided with a lug, and each lug is provided with a through pin hole for installing and fixing a torsion spring elastic strip of the steel rail, and the torsion spring elastic strip is used for fixing the rail and the rail bearing plate. Based on the above-mentioned published patent and the combination of the prior art, in the using process of the prior dual-rigidity rail vibration isolator, the rail and the rail bearing plate are fixed by the elastic strip of the torsion spring, and the rail bearing plate are movable, if the elastic strip of the torsion spring is aged, the rail will be separated from the rail bearing plate during the using process; due to the action of force, when a train passes through the rail above the vibration isolator, the base and the concrete sleeper have relative movement trend, so that shearing force generated by the base and the concrete sleeper acts on the screw spike, the service life of the screw spike is prolonged, and potential safety hazards occur.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a dual-rigidity track vibration isolator, which aims to solve the problem that the track and a track bearing plate are fixed by a torsion spring elastic strip in the prior art, and the track bearing plate are movable, and if the torsion spring elastic strip is aged, the track is separated from the track bearing plate during use.

In order to solve the technical problems, the utility model provides the following technical scheme:

a dual stiffness track vibration isolator comprising a rail pad mounted below a track;

the track gauge blocks are arranged on two sides of the track and are provided with holes;

the elastic strip is movably arranged above the gauge block;

the lug is fixedly arranged with the elastic strip through a pin hole;

the rail bearing plate is fixedly connected below the lugs, and the rail bearing plate and the lug are welded and provided with holes;

the connecting bolt is fixedly arranged above the gauge block;

a bottom plate placed below the rail bearing plate;

the first connecting plate is fixedly connected below the bottom plate;

the second connecting plate is arranged below the first connecting plate, and the circumference of the second connecting plate is slightly larger than that of the first connecting plate;

the concrete sleeper is a supporting part of the whole device and is fixedly connected below the second connecting plate;

the screw spike is fixedly arranged between the first connecting plate and the second connecting plate;

preferably, the connecting bolt further comprises:

a first metal washer placed under the connecting bolt head;

a first spring washer disposed below the first metal washer;

preferably, the base further comprises:

the rubber ring is fixedly connected above the base;

preferably, the rail bearing plate further comprises:

a settlement joint between the rail bearing plate and the base;

preferably, the screw spike further comprises:

a second metal washer placed under the screw spike bolt head;

a second spring washer disposed below the second metal washer;

preferably, the spring strip further comprises:

the first anti-skid sleeve is movably arranged at one end of the elastic strip far away from the track;

and the second anti-skid sleeve is movably arranged at one end of the elastic strip, which is close to the track.

The embodiment of the utility model provides a dual-rigidity track vibration isolator, which has the following beneficial effects:

1. through set up connecting bolt between gauge piece and rail bearing plate, can make the gauge be in the same place with bearing rail plate connection soon, further consolidate the track and be connected of bearing rail plate, can be when the bullet strip is ageing, supplementary spacing track reduces the track and takes place to break away from the risk of bearing rail plate when using, and the spring washer has been placed to connecting bolt head below, can play certain cushioning effect in spacing track to less orbital vibrations, and then noise reduction.

2. Through setting up the connecting plate between base and concrete sleeper, and the connecting plate has following characteristics: the second connecting plate is longer than the first connecting plate in circumference; the line that two connecting plates contact part have can interlock each other, and both respectively with base and concrete sleeper fixed connection, when the train had the relative motion trend with the concrete sleeper when the rail of isolator top, the spacing base of screw spike can be assisted to the connecting plate this moment to extension screw spike's life, and then reduce the potential safety hazard of whole device.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the joint between the gauge block and the support rail plate according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the junction between the foundation and the concrete sleeper of the present utility model;

FIG. 4 is a top view of the overall structure of the present utility model;

in the figure: 1. a track; 2. a gage block; 3. spring strips; 4. a lug; 5. concrete sleeper; 6. a rail bearing plate; 7. a rail pad; 8. a second connecting plate; 9. a settlement joint; 10. a base; 11. a rubber ring; 12. a connecting bolt; 13. a first metal gasket; 14. a first spring washer; 15. a first connection plate; 16. a screw spike; 17. a second metal gasket; 18. a second spring washer; 19. a first anti-skid sleeve; 20. and a second anti-skid sleeve.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples: as shown in figure 1, the dual-rigidity track vibration isolator comprises a track lower base plate 7, a track gauge block 2, a spring strip 3, a lug 4, a lug 3, a track gauge plate 6, a lug 4 and a connecting bolt 12, wherein the track lower base plate is arranged below a track 1 and is used for buffering impact force conducted by the upper side of the track 1, the track gauge block 2 is arranged on two sides of the track 1 and is provided with holes, the circumference of each hole is slightly larger than the circumference of the cross section of a bolt column of the connecting bolt 12, the connecting bolt plays a role of limiting the track 1, the spring strip 3 is movably arranged above the track gauge block 2, the lug 4 is fixedly arranged with the spring strip 3 through a pin hole, the spring strip 3 plays a role of limiting the track gauge block, the track gauge plate 6 is fixedly connected below the lug 4, the track gauge block 2 and the lug 4 are welded, and holes with the same size are formed at the same position below the holes of the track gauge block 2, it plays the effect of support track 1 and subassembly around it, and connecting bolt 12 sets up hole fixed mounting between the two on its passing gauge piece 2 and the rail bearing plate 6, and base 10, it place in rail bearing plate 6 below for strutting arrangement top half, first connecting plate 15, its fixed connection the base 10 below, second connecting plate 8, it place in first connecting plate 15 below, and the girth is slightly greater than first connecting plate 15, the auxiliary component of spacing base during both, concrete sleeper 5, be the bottom sprag of whole device, its fixed connection second connecting plate 8 below, screw spike 16, its fixed mounting between first connecting plate 15 and the second connecting plate 8, the main part of spacing base.

As shown in fig. 2, a dual-stiffness track vibration isolator comprises a connecting bolt 12, an auxiliary component for limiting a track gauge block 2, a first metal gasket 13, a first spring washer 14, a rubber ring 11, a second spring washer and a base 10, wherein the connecting bolt 12 is connected with holes formed in the track gauge block 2 and the track gauge plate 6, the auxiliary component is arranged below the bolt head of the connecting bolt 12, the function of prolonging the durability of the screw bolt 12 is achieved, the first spring washer 14 is arranged between the metal gasket 13 and the track gauge block 2, the function of buffering and protecting the connecting bolt 12 is achieved, the rubber ring 11 is fixedly connected with the lower part of the track gauge plate 6 above the base 10, impact force of the part above the base 10 is buffered, and a settlement joint 9 is formed between the track gauge plate 6 and the base 10, and is used for preventing damage to a device due to deformation caused by uneven settlement.

As shown in fig. 3, a dual-stiffness track vibration isolator includes a first connecting plate 15 fixedly connected below a base 10, a second connecting plate 8 disposed below the first connecting plate 15, and having a slightly larger circumference than the first connecting plate 15, with mutually engaged lines therebetween, for assisting in spacing the base 10, a screw spike 16 fixedly mounted between the first connecting plate 15 and the second connecting plate 8, for assisting in spacing the base 10, a second metal spacer 17 disposed below a bolt head of the screw spike 16, for prolonging a service life of the screw spike 16, and a second spring washer 18 disposed below the second metal spacer 17, for buffering and protecting the screw spike 16.

As shown in fig. 4, a dual-stiffness track vibration isolator includes a first anti-slip sleeve 19 movably mounted at an end of the elastic strip 3 far away from the track 1, and a second anti-slip sleeve 20 movably mounted at an end of the elastic strip 3 near the track 1, so as to perform anti-slip and insulation functions.

Working principle: when a train passes through the position, the train acts on one side of the rail due to gravity, so that the other side has lifting force, the connecting bolts 12 are fixedly connected with the rail gauge blocks 2 and the holes formed in the rail bearing plates 6, the elastic strips 3 can be assisted to limit the distance blocks 2 and further limit the rail 1, the risk that the rail 1 is separated from the rail lower base plate 7 is reduced, the upper half part of the vibration isolator is stabilized, and the first spring washers 14 play a role of auxiliary buffering; when the train passes through isolator top, base 10 and concrete sleeper have the relative motion trend, and the shearing force of this moment can reduce the life of screw spike 16, utilizes first connecting plate 15 and second connecting plate 8 between bottom plate 10 and the concrete sleeper 5, and the girth of second connecting plate 8 slightly is greater than first connecting plate 15, and has the line that can interlock each other between the two, plays the effect of supplementary spacing base 10 to play the effect of extension screw spike 16 life, and then the life of extension isolator.

Claims (6)

1. A dual stiffness track vibration isolator comprising:

the rail lower base plate (7) is a bottom base plate of the dual-rigidity rail vibration isolator and is arranged below the rail (1);

the gauge block (2) is movably arranged at two sides of the track (1) and is provided with holes;

the elastic strip (3) is movably arranged above the gauge block (2);

the lugs (4) are fixedly arranged with the elastic strips (3) through pin holes;

the rail bearing plate (6) is fixedly connected below the lug (4), and the rail bearing plate and the lug are welded and provided with holes;

a connecting bolt (12) fixedly mounted above the gage block (2);

a base (10) placed under the support rail plate (6);

a first connecting plate (15) fixedly connected to the lower part of the base (10);

a second connection plate (8) which is placed below the first connection plate (15) and has a circumference slightly larger than the first connection plate (15);

the concrete sleeper (5) is a supporting part of the whole device and is fixedly connected below the second connecting plate (8);

and a screw spike (16) fixedly installed between the first connecting plate (15) and the second connecting plate (8).

2. The dual stiffness rail vibration isolator of claim 1, wherein the connecting bolt (12) further comprises:

a first metal washer (13) placed under the bolt head of the connecting bolt (12);

-a first spring washer (14) placed under said first metal washer (13).

3. A dual stiffness track vibration isolator according to claim 1, wherein the base (10) further comprises:

and the rubber ring (11) is fixedly connected above the base (10).

4. The cable pre-burying device for water conservancy and hydropower functions as set forth in claim 1, wherein the rail bearing plate (6) further includes:

a settlement joint (9) between the bearing rail plate (6) and the base (10).

5. The dual stiffness track vibration isolator according to claim 1, wherein the screw spike (16) further comprises:

a second metal washer (17) placed under the bolt head of the screw spike (16);

a second spring washer (18) placed under the second metal washer (17).

6. Dual stiffness track vibration isolator according to claim 1, characterized in that the spring strip (3) further comprises:

the first anti-skid sleeve (19) is movably arranged at one end of the elastic strip (3) far away from the track (1);

and the second anti-skid sleeve (20) is movably arranged at one end of the elastic strip (3) close to the track (1).

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