CN219032787U

CN219032787U - Combined compression type track shock absorber

Info

Publication number: CN219032787U
Application number: CN202223433759.8U
Authority: CN
Inventors: 宋成芝; 赵苗; 陈仁君; 王韶枫
Original assignee: Wuxi Qiyao Huadong Vibration Isolation Technology Co ltd
Current assignee: Wuxi Qiyao Huadong Vibration Isolation Technology Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-16
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to the technical field of rail vibration reduction, in particular to a combined compression type rail vibration reducer, which comprises a sleeper and an assembly base for the rail vibration reducer, wherein a lower vibration reducing pad is arranged in the middle of the upper end of the assembly base. The utility model overcomes the defects of the prior art, and by using the level gauge and the air bubble, when the device is installed, the lower shock pad and the upper shock pad are firstly installed at the middle part of the upper end of the sleeper, then the inner walls of the two fixing blocks are attached to the limiting blocks and are placed at the upper end of the upper shock pad, then the bolts are used for screwing through inserting threads from the connecting holes at the upper ends of the fixing blocks, then the screwing force of the two bolts can be regulated by referring to the air bubble at the level gauge until the air bubble is displaced to the middle part of the inner side of the level gauge, the installation position of the fixing blocks is ensured to be in a balanced state, thus the phenomenon of uneven two ends of the elastic strip at the upper ends of the fixing blocks can be prevented, and the effect of the elastic strip in use is improved.

Description

Combined compression type track shock absorber

Technical Field

The utility model relates to a track shock absorber, in particular to a combined compression type track shock absorber.

Background

Railway track, rail, track, etc. is used on railway and cooperates with switcher to make train run without turning, and the track is composed of two parallel rails fixed on sleeper, ballast under sleeper, rail made of iron and steel, and sleeper also called sleeper or sleeper.

According to the chinese patent: CN211420738U a combination type compression rail damper, including the sleeper, the top of sleeper is formed with spacing arch, and the internally mounted of sleeper has pre-buried solenoid, the sleeper top is close to spacing bellied one side and installs the second shock attenuation backing plate, first shock attenuation backing plate is installed to the top of second shock attenuation backing plate, the backing plate of increaseing is installed to the top of first shock attenuation backing plate, the rail is installed to the top of increaseing backing plate, the fixed block is installed to one side position department that the first shock attenuation backing plate top is close to the rail, pre-buried solenoid, the fixed block, run through between first shock attenuation backing plate and the second shock attenuation backing plate, the fixed block is close to one side position department of rail and installs spacing draw-in bar, all set up the movable groove on first shock attenuation backing plate and the second shock attenuation backing plate, the inside sliding connection of movable groove has the slider, based on above-mentioned public patent and combined prior art discovery, the in-process of current combination type compression rail damper needs place the fixed block at the upper end of two shock attenuation backing plates carries out screw-thread installation, because when utilizing the bolt to tighten, the fixed block or loosen can lead to the fixed block's horizontal plane to the fixed block to appear easily, the fixed block is screwed down, the influence the phenomenon is realized to the fixed block is in the two side of the fixed block, the fixed block is stretched out, the effect is reached when the fixed block is stacked, the vibration damping effect is reached when the two vibration damping pad plates is placed, and the vibration damping effect is reduced and the vibration damping effect is stacked.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a combined compression type track shock absorber, which aims to solve the problems that in the prior art, a fixed block is placed at the upper ends of two damping backing plates for threaded installation, and when the bolts are used for tightening, the tightening or loosening of the bolts can cause a certain inclination phenomenon to the horizontal plane of the fixed block easily, so that the damping effect of structures such as elastic strips at the upper ends of the fixed block on a track is influenced.

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

a combined compression type track shock absorber comprises a sleeper, is an assembly base of the track shock absorber, and is provided with a lower shock pad in the middle of the upper end;

an upper shock pad disposed at an upper end of the lower shock pad;

connecting blocks, which are all arranged on the upper end surface of the lower shock pad;

the limiting strips are arranged on the side surfaces of the connecting blocks;

the connecting grooves are formed in the lower end surface of the upper shock pad, and the connecting grooves are connected with the connecting blocks in an embedded mode;

the limiting grooves are arranged on the inner side surfaces of the connecting grooves, and the limiting grooves are connected with the connecting grooves in an embedded mode;

the fixed blocks are arranged at the upper end edge part of the upper shock pad;

the level gauge is arranged in the middle of the upper end of the fixed block;

and the bubble is arranged inside the level.

Preferably, the sleeper further comprises:

the limiting blocks are fixedly installed at the upper end edge parts of the sleepers, two limiting blocks are arranged and are oppositely arranged, and the inner walls of the limiting blocks are attached to the side surfaces of the upper shock absorption pads.

Preferably, the fixing block further includes:

bolts, which are all installed on the upper end surface of the fixed block in a threaded manner;

and the elastic strip is embedded and arranged between the fixed block and the bolt.

Preferably, the upper cushion further comprises:

an adjusting pad plate mounted at an upper end of the upper shock pad;

the rail is arranged in the middle of the upper end of the adjusting base plate, the lower end of the rail is positioned in the middle of the two fixing blocks, and the rail is I-shaped.

Preferably, the fixing block further includes:

and the limiting rods are fixedly arranged at the upper ends of the inner walls of the fixed blocks.

Preferably, the lower cushion further comprises:

and the mounting holes are formed in the surface edge parts of the lower shock pad and are in threaded connection with the bolts.

The embodiment of the utility model provides a combined compression type track shock absorber, which has the following beneficial effects:

1. through being provided with spirit level and bubble for when installing this device, install the upper end middle part at the sleeper with lower shock pad and last shock pad earlier, place the inner wall of two fixed blocks laminating stopper in the upper end of upper end shock pad again, utilize the bolt to insert the screw thread from the connecting hole department of fixed block upper end and screw up afterwards, can reference the bubble of spirit level department and adjust the dynamics of screwing up of two bolts, until the inboard middle part of spirit level is shifted to the bubble, guarantee that the mounted position of fixed block is balanced state, both ends unevenness phenomenon appears in the bullet strip that can prevent the fixed block upper end like this, improve the effect of bullet strip when using.

2. Through being provided with spread groove, connecting block, spacing groove and spacing for place the upper end middle part at the sleeper with lower shock pad, the connecting block of shock pad upper end under with the spread groove alignment of last shock pad lower extreme again imbeds, the spacing of spread groove and the spacing of connecting block side also can imbed spacingly of spread groove side, the mounting hole department that the bolt passed shock pad down and last shock pad surface is connected, realize the stability after shock pad down and last shock pad stack, even later stage is when slightly warping the track shock attenuation back mounting hole and bolt appear, also be difficult to by the displacement between lower shock pad and the last shock pad, improve the result of use of shock pad later stage.

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 view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 1A according to the present utility model.

In the figure: 1. sleeper; 2. a limiting block; 3. a lower shock pad; 4. an upper shock pad; 5. an adjusting backing plate; 6. a fixed block; 7. a limit rod; 8. a bolt; 9. spring strips; 10. a track; 11. a connecting block; 12. a connecting groove; 13. a mounting hole; 14. a limit groove; 15. a limit bar; 16. a level gauge; 17. and (5) air bubbles.

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 fig. 1, a combined compression type track damper comprises a sleeper 1, an assembly base of the track damper, a lower shock pad 3 is arranged in the middle of the upper end of the assembly base, an upper shock pad 4 is arranged at the upper end of the lower shock pad 3, the lower shock pad 3 and the upper shock pad 4 are firstly placed in the middle of the upper end of the sleeper 1, a track 10 is installed in the middle of the upper end of the upper shock pad 4, an adjusting base plate 5 can be additionally arranged between the lower shock pad 3 and the upper shock pad 4, the installation height of the track 10 can be conveniently adjusted according to the installation condition, two fixing blocks 6 are then installed at the edge of the upper end of the upper shock pad 4, the fixing blocks 6, the upper shock pad 4 and the lower shock pad 3 are fixedly assembled in the sleeper 1 by utilizing two bolts 8, and a spring 9 is installed in the middle of the fixing blocks 6 and the bolts 8.

As shown in fig. 2, a combined compression type track damper includes connection blocks 11, each of which is provided at an upper end surface of a lower cushion 3; the limit strips 15 are arranged on the side surfaces of the connecting blocks 11; the connecting grooves 12 are formed on the lower end surface of the upper shock pad 4, and the connecting grooves 12 and the connecting blocks 11 are connected in an embedded manner; the spacing groove 14, it all sets up the inside side at spread groove 12, spacing groove 14 and spread groove 12 are embedded connection for aim at the spread groove 12 of last shock pad 4 lower extreme and go on embedding with the connecting block 11 of shock pad 3 upper end, the spacing groove 14 of spread groove 12 side and the spacing 15 of connecting block 11 side also can imbed spacingly simultaneously, stability when stacking between shock pad 3 and the last shock pad 4 can be improved, be difficult for leading to appearing the displacement phenomenon between shock pad 3 and the last shock pad 4 because of the deformation expansion of mounting hole 13.

As shown in fig. 3, a combined compression type track damper includes a level 16 provided at the upper middle of a fixed block 6; the bubble 17, it sets up in the inside of spirit level 16, when utilizing bolt 8 to install fixed block 6, can consult bubble 17 of spirit level 16 department and adjust the dynamics of screwing up of two bolts 8, until bubble 17 displacement is to the inboard middle part of spirit level 16, guarantees that the mounted position of fixed block 6 is balanced state, can prevent like this that the bullet strip 9 of fixed block 6 upper end from appearing both ends uneven phenomenon.

Working principle: firstly, the lower shock pad 3 is placed in the middle of the upper end of the sleeper 1, then the connecting groove 12 at the lower end of the upper shock pad 4 is aligned with the connecting block 11 at the upper end of the lower shock pad 3 for embedding, meanwhile, the limit groove 14 at the side surface of the connecting groove 12 and the limit bar 15 at the side surface of the connecting block 11 are embedded for limit, then the track 10 is arranged at the upper end of the upper shock pad 4, an adjusting base plate 5 can be added between the two of the fixed blocks 6 is convenient for adjusting the installation height of the track 10 according to the installation condition, then the inner wall of the two of the fixed blocks 6, which is attached to the limit block 2, is placed at the upper end of the upper shock pad 4, limit work is realized on two sides of the track 10, then the bolt 8 is screwed by inserting threads from the connecting holes at the upper ends of the fixed blocks 6, the bolt 8 is connected with the sleeper 1 through the installation holes 13 at the positions of the upper shock pad 4 and the lower shock pad 3, the tightening force of two bolts 8 can be adjusted by referring to the air bubble 17 at the level meter 16 until the air bubble 17 is displaced to the middle part of the inner side of the level meter 16, so that the installation position of the fixed block 6 is in a balanced state, the phenomenon of uneven two ends of the elastic strip 9 at the upper end of the fixed block 6 can be prevented, the effect of the elastic strip 9 in use is improved, the assembly work of the device is realized, and the device is easy to slightly deform between the installation holes 13 at the upper shock pad 4 and the lower shock pad 3 and the bolts 8 when the shock absorption work is carried out on the track 10, but the connection grooves 12, the connection blocks 11, the limit grooves 14 and the limit strips 15 are embedded, the lower shock pad 3 and the upper shock pad 4 are not easy to displace, and the later use effect of the shock absorption pad is improved.

Claims

1. A combination compression rail damper, comprising:

the sleeper (1) is an assembly base of the track shock absorber, and a lower shock pad (3) is arranged in the middle of the upper end of the sleeper;

an upper shock pad (4) provided at the upper end of the lower shock pad (3);

connecting blocks (11) which are all arranged on the upper end surface of the lower shock pad (3);

the limit strips (15) are arranged on the side surfaces of the connecting blocks (11);

the connecting grooves (12) are formed in the lower end surfaces of the upper shock pads (4), and the connecting grooves (12) are connected with the connecting blocks (11) in an embedded mode;

the limiting grooves (14) are arranged on the inner side surfaces of the connecting grooves (12), and the limiting grooves (14) are connected with the connecting grooves (12) in an embedded mode;

the fixed blocks (6) are arranged at the upper end edge parts of the upper shock absorption pads (4);

the level meter (16) is arranged in the middle of the upper end of the fixed block (6);

and a bubble (17) provided inside the level (16).

2. The combined compression rail damper as claimed in claim 1, wherein the sleeper (1) further comprises:

the limiting blocks (2) are fixedly installed at the edge parts of the upper ends of the sleepers (1), the limiting blocks (2) are arranged in two, the two limiting blocks (2) are oppositely arranged, and the inner walls of the limiting blocks (2) are attached to the side surfaces of the upper shock pads (4).

3. The combined compression type track damper according to claim 1, wherein the fixed block (6) further comprises:

bolts (8) which are all screwed on the upper end surface of the fixed block (6);

and the elastic strip (9) is embedded and arranged between the fixed block (6) and the bolt (8).

4. The combined compression type track shock absorber according to claim 1, wherein the upper shock pad (4) further comprises:

an adjusting pad (5) mounted on the upper end of the upper shock pad (4);

the rail (10) is arranged in the middle of the upper end of the adjusting base plate (5), the lower end of the rail (10) is positioned in the middle of the two fixing blocks (6), and the rail (10) is in an I shape.

5. The combined compression type track damper according to claim 1, wherein the fixed block (6) further comprises:

and the limiting rods (7) are fixedly arranged at the upper ends of the inner walls of the fixed blocks (6).

6. A combined compression rail damper as claimed in claim 3, characterized in that the lower damping pad (3) further comprises:

the mounting holes (13) are formed in the surface edge parts of the lower shock pad (3), and the mounting holes (13) are in threaded connection with the bolts (8).