CN214529965U - Rubber strip-shaped structure railway ballast bed damping cushion plate - Google Patents
Rubber strip-shaped structure railway ballast bed damping cushion plate Download PDFInfo
- Publication number
- CN214529965U CN214529965U CN202022851027.5U CN202022851027U CN214529965U CN 214529965 U CN214529965 U CN 214529965U CN 202022851027 U CN202022851027 U CN 202022851027U CN 214529965 U CN214529965 U CN 214529965U
- Authority
- CN
- China
- Prior art keywords
- rubber
- strip
- ballast bed
- railway ballast
- backing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Railway Tracks (AREA)
- Vibration Dampers (AREA)
Abstract
The utility model discloses a rubber strip structure railway ballast bed shock attenuation backing plate, include the elastomer of making by tire tread rubber, its characterized in that, the strip rubber that the elastomer was made by tire superficial layer rubber is pasted and is formed. The cross section of the strip rubber in the length direction is rectangular, triangular, parallelogram, trapezoid or circular. The upper surface of the shock absorption base plate is a plane, and the lower surface of the shock absorption base plate is provided with a spherical bulge. The spherical bulges are connected by reinforcing ribs, the height of each reinforcing rib is four fifths of the height of each spherical bulge, and the reinforcing ribs are formed by spraying and bonding PU glue. The utility model discloses accelerate the rebound speed of shock attenuation backing plate to and anti horizontal deformability prevents simultaneously that the shock attenuation backing plate from taking place lateral sliding, produces the grinding and destroys, thereby realizes improving the purpose of shock attenuation effect and increase backing plate stability.
Description
Technical Field
The utility model relates to a railway technology field especially relates to a be used for railway ballast bed shock attenuation backing plate.
Background
With the rapid development of the infrastructure technology and social economy in China, the living standard of people is continuously improved, and the requirements on the speed, comfort and safety of a railway locomotive during traveling are also continuously improved. The running speed of the train is continuously improved, and meanwhile, the vibration generated during running is increased, so that the comfort and safety experience of people on the railway locomotive are seriously influenced.
At present, a shock absorption base plate is generally adopted between a track bed and a sleeper rail of a railway to absorb shock generated when a train runs on the rail, and the performance of the base plate directly influences the running safety and the comfort of the train. In the prior art, an elastic base plate is bonded into a damping base plate with a flat bottom surface by using rubber particles and is bonded into a damping base plate with semicircular bulges by using granular rubber and strip-shaped rubber wires together. The damping base plate with the flat bottom surface adhered by the rubber particles is in overall contact with the ballast bed, so that the rigidity of the rubber is reduced, the noise reduction effect is poor, and the phenomenon of longitudinal or transverse position deviation is easy to occur. The shock absorption base plate with the semicircular bulges is bonded by granular rubber and strip-shaped rubber wires together, and the top with the semicircular bulges, which is positioned on the lower surface, is in contact with the ballast bed, so that the semicircular bulges are worn after long-term use, the shock absorption base plate is large in deformation, easy to age and wear, and prone to longitudinal or transverse position deviation, and the like, and the shock absorption effect is seriously reduced. The shock absorption backing plate among the prior art has all used rubber granule, and the abundant contact between rubber granule and the rubber granule, between rubber granule and the strip rubber silk leads to the inside space of shock absorption backing plate of making little, wholly closely knit for the increase of the time of kick-down speed and the rubber resilience of shock absorption backing plate during operation seriously influences the shock attenuation sound absorption effect of shock absorption backing plate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of existence among the prior art, provide an improve the railway shock attenuation backing plate that shock attenuation effect is ideal, stability is strong, stand wear and tear, long service life.
The utility model provides a following technical scheme:
a rubber strip-structured railway ballast damping cushion plate comprises an elastic body made of tire tread rubber, and is characterized in that the elastic body is formed by sticking strip-shaped rubber made of tire surface layer rubber.
The cross section area range of the strip rubber in the length direction is 0.5mm2To 2.5mm2And the length ranges from 3mm to 10 mm.
The cross section of the strip rubber in the length direction is rectangular, triangular, parallelogram, trapezoid or circular.
The upper surface of the shock absorption backing plate is a plane, and the lower surface of the shock absorption backing plate is provided with a spherical bulge.
The height range of the spherical bulge is 15mm to 22 mm.
The spherical bulges are connected by reinforcing ribs, the height of each reinforcing rib is 4/5 of the height of the spherical bulge, and the reinforcing ribs are made of strip-shaped rubber through spray bonding.
The utility model discloses following beneficial effect has:
1. the utility model provides a railway ballast bed shock attenuation backing plate is the elastomer of being made by tire tread rubber, the strip rubber that the elastomer was made by tire superficial layer rubber is pasted and is formed. The rubber elasticity and the structural design of the strip rubber have good shock absorption and sound absorption effects, and the noise influence generated during the operation of the train can be effectively reduced;
2. the utility model provides a protruding and the mutual staggered connection of strengthening rib of railway ballast bed shock attenuation backing plate constitutes network structure elasticity reinforcement for shock attenuation backing plate's resilience speed and anti horizontal deformability prevent simultaneously that the grinding that shock attenuation backing plate takes place the lateral sliding and produces from destroying, improve shock attenuation backing plate's stability.
Drawings
Fig. 1 is a schematic view of the application of a railway ballast bed shock pad.
Figure 2 is a schematic bottom view of a railway ballast bed shock pad.
Fig. 3 is a partially enlarged view of a shock absorbing pad for a railroad track bed.
Fig. 4 is a schematic structural view of a strip rubber.
The figures are labeled as follows:
1. a steel rail; 2. crossties; 3. a ballast bed; 4. a water discharge tank; 5. a shock-absorbing base plate; 6. a backing plate plane layer; 7. a protrusion; 8. reinforcing ribs; 9. the top of the reinforcing rib; 10. the bottom of the reinforcing rib; 11. strip rubber; 12. the cross section of the strip rubber in the length direction; 13. the side length of the strip rubber is long.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the implementations of the present invention, and not all implementations, and all other embodiments obtained by those skilled in the art without any inventive work are included in the scope of the present invention.
The shock absorbing pad 5 of the present embodiment is made of strip rubber 11.
As shown in FIG. 4, the cross-sectional area of the strip rubber 11 in the length direction in this embodiment is 0.5mm2To 2.5mm2The length range of the side length 13 of the strip rubber is 3mm to 10 mm. Preferably, the cross-sectional area of the strip rubber 11 in the length direction is 1mm2To 2mm2And the length range of the side length 13 of the strip rubber is 5mm to 8 mm. The cross section 12 of the strip rubber in the length direction is rectangular, square, triangular, parallelogram, trapezoid or circular. Preferably, the cross section 12 of the strip rubber in the length direction is rectangular or trapezoidal.
The strip rubber 11 is prepared by cutting a tire tread. The tire tread is tire surface layer rubber. Preferably, the strip rubber 11 is prepared by cutting waste tire treads. More preferably, the strip rubber 11 is prepared by cutting waste tire tread rubber.
The shock absorption backing plate 5 is an elastic body formed by messy and natural spray-bonding of strip rubber 11 through PU glue. The manufacturing method can be completed in a mould.
The elastomer is prepared by messy and natural spray-bonding of PU (polyurethane) glue to strip rubber 11. The elastic body is formed by sticking strip rubber made of tire surface rubber by PU glue. The elastomer is made of tire tread rubber.
As shown in fig. 1, 2 and 3, the railway track bed shock absorbing pad 5 provided in this embodiment is located below the crosstie 2 and above the track bed 3, and includes a pad plane layer 6 and a pad convex-concave layer.
The thickness range of the shock pad plate in the embodiment is 10mm to 35 mm. Preferably, the thickness of the cushion plate 5 ranges from 15mm to 30 mm.
The tie plate plane layer 6 is positioned below the sleeper 2 and above the tie plate convex-concave layer. The thickness of the backing plate plane layer 6 ranges from 5mm to 30 mm. Preferably, the shim plate plane layer 6 has a thickness in the range of 10mm to 20 mm. The contact surface of the cushion plate plane layer 6 and the sleeper 2 is the upper surface of the shock absorption cushion plate 5. The contact surface of the tie plate plane layer 6 and the sleeper 2 is a plane. The upper surface of the shock absorption backing plate 5 is a plane.
The pad convex-concave layer is positioned below the plane layer 6 and above the track bed 3. The contact surface of the pad convex-concave layer and the ballast bed 3 is the lower surface of the shock absorption pad 5. The contact surface of the pad convex-concave layer and the ballast bed 3 is a spherical bulge. The lower surface of the shock absorption backing plate 5 is a spherical bulge.
The pad convex-concave layer of the present embodiment includes protrusions 7 and reinforcing ribs 8.
In this embodiment, the protrusions 7 are hemispheroids with a height ranging from 15mm to 22 mm. Staggered in the direction of the perpendicular projection, throughout the entire planar layer 6. The contact surface of the protrusion 7 and the plane layer 6 is circular. The diameter of the circle of the contact surface of the protrusion 7 and the plane layer 6 ranges from 30mm to 44 mm.
Preferably, the protrusions 7 are hemispheroids with a height of 20 mm. Staggered in the direction of the perpendicular projection, throughout the entire planar layer 6. The contact surface of the protrusion 7 and the plane layer 6 is circular. The diameter of the circle of the contact surface of the protrusion 7 and the plane layer 6 is 40 mm.
The bulge 7 is made by spraying and bonding PU adhesive strip rubber 11. Preferably, the protrusions 7 are made of a strip rubber 11 which is naturally sprayed with PU glue in a messy manner.
The reinforcing bars 8 are discontinuous strips in this embodiment. Two ends of the reinforcing ribs 8 in the length direction are respectively connected with the two bulges 7, and the connecting line of the reinforcing ribs 8 inclined in two directions in the length direction penetrates through the centers of the bulges 7, so that the bulges 7 are connected by dragging the symmetrical 4 reinforcing ribs in four directions. The bulges 7 and the 4 reinforcing ribs connected with the bulges form a reticular structure elastic reinforcement, the resilience of the elastic backing plate and the transverse horizontal deformation resistance are enhanced through the reticular structure elastic reinforcement, and the transverse sliding of the shock absorption backing plate is prevented.
The section shape of the reinforcing rib 8 in the long length direction is trapezoidal.
The height of the reinforcing ribs 8 protruding on the convex-concave layer of the cushion plate is lower than that of the protrusions 7. The height of the reinforcing ribs 8 is 4/5 of the height of the protrusions 7, the width of the bottom 10 of the reinforcing ribs is 1/5-1/4 of the diameter of the circular contact surface of the protrusions 7 and the plane layer 6, and the width of the top 9 of the reinforcing ribs is 1/4 of the width of the bottom 10 of the reinforcing ribs.
Preferably, the height of the reinforcing ribs 8 is set to be 16mm of the height of the protrusions 7, the width of the bottom 10 of the reinforcing ribs is set to be 10mm of the diameter of the circular contact surface of the protrusions 7 and the plane layer 6, and the width of the top 9 of the reinforcing ribs is set to be 2.5mm of the width of the bottom 10 of the reinforcing ribs.
The reinforcing rib 8 described in this embodiment is made by spraying and bonding PU adhesive spray-bonded strip rubber 11. Preferably, the reinforcing ribs 8 are made of disordered natural spray-bonded strip rubber 11 made of PU glue.
The concrete working process of the damping cushion plate 5 is as follows:
when a train runs on the steel rail 1, the steel rail 1 is subjected to external force, the external force brought vertically is transmitted downwards through the sleepers 2, the protrusions 7 of the shock absorption base plates 5 are subjected to pressure deformation, the contact area of the shock absorption base plates and the track bed 3 is gradually increased, the shock absorption base plates are compressed to the height of the reinforcing ribs 8, the reinforcing ribs 8 are in contact with the track bed 3 to perform secondary buffering, and the protrusions 7 and the reinforcing ribs 8 act together to absorb energy brought by shock. Because the shock pad 5 is that strip rubber 11 glues through the PU and spouts to glue and make, and the space is big between the strip rubber 11, and shock pad density is little for shock pad's the speed of pushing down can increase and slow down the resilience time, and strengthening rib 8 plays secondary cushioning effect and reduces vibrations intensity when vibrations are pushed down simultaneously, further increases shock pad's shock attenuation sound absorbing effect. In the prior art, the shock absorption base plate made of rubber particles has small gaps among the rubber particles and high density, so that the shock absorption base plate is slowed down when being pressed downwards by external force, the shock absorption and sound absorption are poor, and the longitudinal or transverse position deviation phenomenon of the shock absorption base plate is easy to occur due to the flat-plate-shaped design of the bottom surface. Compared with the prior art, the density of the shock absorption base plate with the semicircular bulges is increased by jointly bonding the granular rubber and the strip-shaped rubber wires in the prior art, the shock absorption and sound absorption effects are obviously improved, but due to the contact effect of the top of the semicircular bulges positioned on the lower surface and the ballast bed, after long-term use, the semicircular bulges are worn, the shock absorption base plate is large in deformation, easy to age and wear, and is longitudinally or transversely deviated, and the shock absorption effect is seriously reduced.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.
Claims (7)
1. A rubber strip-structured railway ballast damping cushion plate comprises an elastic body made of tire tread rubber, and is characterized in that the elastic body is formed by sticking strip-shaped rubber made of tire surface layer rubber.
2. The rubber strip-structured railway ballast bed cushion plate as claimed in claim 1, wherein the strip-shaped rubber has a cross-sectional area in the lengthwise direction in the range of 0.5mm2To 2.5mm2And the length ranges from 3mm to 10 mm.
3. The rubber strip-structured railway ballast bed cushion pad as claimed in claim 2, wherein the strip-shaped rubber has a cross-sectional shape in the longitudinal direction of a rectangle, a triangle, a parallelogram, a trapezoid or a circle.
4. The rubber strip-structured railway ballast bed cushion plate as claimed in claim 1, wherein the cushion plate has a flat upper surface and a spherical protrusion on a lower surface.
5. The rubber strip-structured railway ballast bed shock absorbing pad as claimed in claim 4, wherein the height of the spherical protrusion ranges from 15mm to 22 mm.
6. The rubber strip-structured railway ballast bed shock absorbing pad as claimed in claim 4, wherein the spherical protrusions are connected by reinforcing ribs.
7. The rubber strip-structured railway ballast bed impact pad as claimed in claim 6, wherein the height of the reinforcing beads is 4/5 of the height of the spherical protrusion, and the reinforcing beads are made of strip-shaped rubber by spray bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022851027.5U CN214529965U (en) | 2020-12-02 | 2020-12-02 | Rubber strip-shaped structure railway ballast bed damping cushion plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022851027.5U CN214529965U (en) | 2020-12-02 | 2020-12-02 | Rubber strip-shaped structure railway ballast bed damping cushion plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214529965U true CN214529965U (en) | 2021-10-29 |
Family
ID=78290273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022851027.5U Active CN214529965U (en) | 2020-12-02 | 2020-12-02 | Rubber strip-shaped structure railway ballast bed damping cushion plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214529965U (en) |
-
2020
- 2020-12-02 CN CN202022851027.5U patent/CN214529965U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2892940Y (en) | Elastic pads under rail sleepers | |
| CN203755097U (en) | Underground vibration damping rail fastener | |
| CN214529965U (en) | Rubber strip-shaped structure railway ballast bed damping cushion plate | |
| CN208379347U (en) | Novel track damper | |
| CN201176549Y (en) | Rail tie-plate | |
| CN211596202U (en) | Light sleeper of cell type | |
| CN210797117U (en) | Steel rail vibration damping pad | |
| CN110593020B (en) | Composite material composite sleeper | |
| CN111535081A (en) | Ballastless turnout fastener system | |
| CN206189195U (en) | Rubber tie plate under compound rail of pressure -shear | |
| CN207244360U (en) | A kind of antitorque spacing railway rail pad of rail for fastener system | |
| CN211547092U (en) | Self-adaptive ballast overturning sleeper | |
| CN202347373U (en) | Noise and vibration reducing structure for combined type track | |
| CN209584736U (en) | A kind of underground railway track backing plate | |
| CN201865005U (en) | Damping rubber base plate | |
| CN103866656A (en) | Vibration reduction rail fastener for metro | |
| CN208995841U (en) | Ballast track railway roadbed | |
| CN203238500U (en) | Anti-disengaging damping pad layer of ballastless track | |
| CN202347371U (en) | Shock absorption shim plate for track | |
| CN211446401U (en) | Stepped vibration-damping rubber pad for ballast bed | |
| CN207775630U (en) | A kind of rail insulation buffer pad | |
| CN209456873U (en) | A kind of shock-absorbing type bridge structure | |
| CN205636373U (en) | PU rail lower bolster | |
| CN201010836Y (en) | Plate-type vibration reducing rail buckle | |
| CN112411274A (en) | Utilization method of waste high-pressure hose and damping base plate prepared by method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |