CN103711045B - Device for reducing rail vibration damage - Google Patents
Device for reducing rail vibration damage Download PDFInfo
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- CN103711045B CN103711045B CN201310705841.8A CN201310705841A CN103711045B CN 103711045 B CN103711045 B CN 103711045B CN 201310705841 A CN201310705841 A CN 201310705841A CN 103711045 B CN103711045 B CN 103711045B
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Abstract
A device for reducing rail vibration damage comprises a road foundation, a main shock-reduction rubber blanket, a second spring damping vibration-reduction part, a floating body, an assistant shock-reduction rubber blanket, a first anti-abrasion protecting layer, a first spring damping vibration-reduction part, a supporting body, a second anti-abrasion protecting layer and a gasket, wherein the road foundation is a concave cavity body formed by concrete, the concave cavity body is composed of a bottom plate and two side plates same in shape and size, the floating body is a triangular prism body formed by concrete or a quadrangular body formed by concrete, the cross section of the triangular prism body is a right-angle triangle, and the cross section of the quadrangular body is a right-angle trapezoid; the supporting body is a triangular prism body formed by concrete or a quadrangular body formed by concrete, the cross section of the triangular prism body is a right-angle triangle, the cross section of the quadrangular body is a right-angle trapezoid, the cross section of the supporting body and the cross section of the floating body are similar, and the area of the cross section of the supporting body is larger than the area of the cross section of the floating body.
Description
Technical field
The invention belongs to traffic and transport field, particularly one is in railway transport course, reduces the device of rail vibration damage.
Background technology
Along with socioeconomic fast development, the living standard of people constantly improves, during trip to the requirement of the speed of railway locomotive, comfortableness and safety also in continuous raising.Due to the continuous lifting of train running speed, the vibrations produced during train operation also increase thereupon, and the harmful effect caused surrounding environment is also increasing, and therefore, the shock mitigation system offseted except rail vibration damage is had higher requirement.
In order to reduce vibrations that train rail in running produces to the impact of surrounding environment, prior art mainly adopts floating plate technology, and namely mounting spring floating plate on ground, is fixed on sleeper and rail on floating plate.Although the setting of spring floating plate makes the impact of rail vibration on surrounding environment reduce to some extent, but effectively can not eliminate the harm that rail vibration is brought surrounding environment, because spring floating plate just carries out certain buffering along the direction of rail vibration, after arranging spring floating plate, the small size vibrations of repeatability still exist.In addition, the rubber buffer between rail and sleeper mostly is the cuboid of standard, and under the high-frequency vibration of rail, the direction be easy to along Train motion comes off, and causes rail to the coup injury of sleeper, reduces the safety of railway transportation.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of device reducing rail vibration damage is provided, the vibrations of rail can be reduced efficiently and safely, significantly reduce the appearance of repeatability vibrations.
The device of reduction rail vibration damage of the present invention, comprises roadbed, main yielding rubber pad, the second spring damping and vibration isolating part, floating body, secondary yielding rubber pad, the first wear-resistant protecting layer, the first spring damping and vibration isolating part, supporter, the second wear-resistant protecting layer and pad, described roadbed is the cavity body with concrete formation, this cavity body is made up of base plate and two shapes, measure-alike side plate, the four prisms cylinder of to be the tri-prismoid of right-angled triangle or the cross section of concrete formation be right-angled trapezium that described floating body is the cross section of concrete formation, the four prisms cylinder of to be the tri-prismoid of right-angled triangle or the cross section of concrete formation be right-angled trapezium that described supporter is the cross section of concrete formation, and the cross section of the cross section of supporter and floating body be similar figures, the area in supporter cross section is greater than the area in floating body cross section, the combination of each component: the first wear-resistant protecting layer is laid on bottom the cavity of roadbed, secondary yielding rubber pad is placed on the first wear-resistant protecting layer, first spring damping and vibration isolating part is two covers, two cover first spring damping and vibration isolating part symmetries are arranged on the both sides of secondary yielding rubber pad, their bottom surface contacts with the first wear-resistant protecting layer, their two sides contact with the cavity side walls of roadbed with each self-corresponding secondary yielding rubber pad side respectively, supporter is two, two supporter symmetries are arranged on the both sides of secondary yielding rubber pad, when supporter be cross section is the tri-prismoid of right-angled triangle, the inclined-plane of described tri-prismoid upwards, two mutually perpendicular planes respectively with each self-corresponding first spring damping and vibration isolating part end face and secondary yielding rubber pad contacts side surfaces, when supporter be cross section is the four prisms cylinder of right-angled trapezium, the inclined-plane of described four prisms cylinder upwards, the sidewall contact of the face that in two parallel surfaces, size is less and roadbed cavity, larger-size with a contacts side surfaces of secondary yielding rubber pad, second wear-resistant protecting layer is two pieces, two pieces second wear-resistant protecting layer is laid on the inclined-plane of two supporters respectively, floating body is two, two floating bodies are placed on respectively and are equipped with on two supporters of wear-resistant protecting layer, when floating body be cross section is the tri-prismoid of right-angled triangle, the inclined-plane of described tri-prismoid contacts with the second wear-resistant protecting layer, two mutually perpendicular planes is respectively to upper and towards the cavity side walls of roadbed, when floating body be cross section is the four prisms cylinder of right-angled trapezium, the inclined-plane of described four prisms cylinder contacts with the second wear-resistant protecting layer, the larger-size sidewall facing to roadbed cavity in two parallel surfaces, main yielding rubber pad is two pieces, two pieces main yielding rubber pad is arranged on two floating bodies respectively towards the side of roadbed cavity side walls and contacts with each self-corresponding floating body, pad is two pieces, two pieces pad is arranged on the side of two main yielding rubber pads towards roadbed cavity side walls respectively, and their two sides respectively with each self-corresponding side of main yielding rubber pad and the sidewall contact of roadbed cavity, second spring damping and vibration isolating part is two covers, two cover the second spring damping and vibration isolating parts are placed on two floating bodies respectively.
In order to improve damping effect further, the angle of the present invention to floating body and supporter is optimized.When floating body be cross section is the tri-prismoid of right-angled triangle, the inclined-plane of described tri-prismoid and its towards roadbed cavity side walls vertical guide between angle be defined as θ 1, θ 1=40 ° ~ 70 °; When supporter be cross section is the tri-prismoid of right-angled triangle, the angle between the vertical guide that the inclined-plane of described tri-prismoid is in contact with it secondary yielding rubber pad is defined as θ 2, θ 2=40 ° ~ 70 °, and θ 2=θ 1.When floating body be cross section is the four prisms cylinder of right-angled trapezium, the angle in the inclined-plane of described four prisms cylinder and two parallel surfaces between larger-size is defined as θ 3, θ 3=40 ° ~ 70 °; When supporter be cross section is the four prisms cylinder of right-angled trapezium, the angle in the inclined-plane of described four prisms cylinder and two parallel surfaces between larger-size is defined as θ 4, θ 4=40 ° ~ 70 °, and θ 4=θ 3.
The device of reduction rail vibration damage of the present invention, the preferred inverted L-shaped of cross sectional shape of its roadbed side plate or " 1 " font.
The device of reduction rail vibration damage of the present invention, its first spring damping and vibration isolating part is identical with the second spring damping and vibration isolating part structure, forms by gripper shoe and the spring installed on the supporting plate.
The device of reduction rail vibration damage of the present invention, also comprise the mobile sleeper for installing rail, for installing fixing sleeper and the gauge locator of rail, the centre of described mobile sleeper and fixing sleeper is provided with trapezoidal groove, the rubber buffer mated with this groove shapes is installed in described trapezoidal groove, solves rubber buffer well and hold caducous problem along Train motion direction, the quantity of mobile sleeper is multiple, the quantity of fixing sleeper is identical with the quantity of mobile sleeper, each mobile sleeper determining deviation of being separated by is arranged on a set of second spring damping and vibration isolating part, the roll wheel assembly of its bottom surface contacts with the second spring damping and vibration isolating part, each fixing sleeper be separated by a determining deviation to be arranged on another set of second spring damping and vibration isolating part and with mobile sleeper one_to_one corresponding, the bottom surface of described fixing sleeper contacts with the second spring damping and vibration isolating part, gauge locator moves between sleeper and two fixing sleepers two, the two ends of gauge locator are connected with two rails respectively.Described gauge locator comprises backstay, two the first baffle plates and two second baffles, the intermediate section of described backstay is provided with two phases the first shoulder block across a certain distance and the second shoulder block, the two ends of backstay are provided with thread segment, described first baffle plate is L shape, described second baffle is inverted L-shaped, the riser of the first baffle plate and second baffle baffle plate is provided with backstay via hole; Two the first baffle plates are combined to form with two second baffles the adjustable clamp that two clamp rail respectively, two jigs are set in the two ends of backstay, wherein, the first shoulder block on backstay is close in the side of a jig, fastening nuts is passed through after combining with corresponding rail, the pad adjusting railway track distance is set with between the side of another jig and the second shoulder block, to require and after combining with corresponding rail, by nut by fastening for this jig when the position of this jig is adjusted to the gauge met between two rails.
The device of reduction rail vibration damage of the present invention, its shock absorption principle is as follows:
Definition θ 2=θ 1=θ, or θ 3=θ 4=θ,
1, in time having train process, rail can be subject to a downward pressure T, pressure T passes through rail, trapezoidal rubber buffer, mobile sleeper, fixing sleeper and the second spring damping and vibration isolating part going down successively to floating body, the force analysis of floating body is shown in Fig. 9: when not considering gravity, floating body is subject to downward pressure T, carry out the support force N of self-supporter, the frictional force f of the second wear-resistant protecting layer and the support force M of main yielding rubber pad.
The equation of equilibrium of floating body horizontal direction: M=Ncos θ-fsin θ;
The equation of equilibrium of floating body vertical direction: T=Nsin θ+fcos θ;
Test shows, the suffered in the horizontal direction power of floating body can be cancelled out each other, and only some power straight down continues going down to supporter.
2, the force analysis of supporter is shown in Figure 11: when not considering gravity, supporter is subject to the pressure N1 from floating body, the frictional force f1 of the second wear-resistant protecting layer, the frictional force f2 of the first wear-resistant protecting layer, the support force L of ground and the support force M1 of secondary yielding rubber pad.
The equation of equilibrium of supporter horizontal direction: M1=N1cos θ-f1sin θ-f2;
The equation of equilibrium of supporter vertical direction: L=N1sin θ+f1cos θ;
Test shows, the suffered in the horizontal direction power of supporter can be cancelled out each other, and finally only has the component of the vertical direction of a very little part being delivered on ground after the first spring damping and vibration isolating part.
As can be seen from above-mentioned force analysis, in the process that device of the present invention is propagated in rail vibration, the vibrations of vertical direction are significantly reduced, and the vibrations being distributed to horizontal direction are cancelled out each other, thus realize reducing the target that rail vibration endangers surrounding environment.
The present invention has following beneficial effect:
1, because the device of reduction rail vibration damage of the present invention utilizes the characteristic combining inclined-plane, in the process that rail vibration is propagated, the vibrations of vertical direction are significantly reduced, the vibrations being distributed to horizontal direction are cancelled out each other, thus can avoid the generation of repeatability vibrations, effectively reduce the harm of rail vibration to surrounding environment.
2, the device of reduction rail vibration damage of the present invention utilizes trapezoidal rubber buffer, solves cuboid rubber buffer well and holds caducous problem along Train motion direction.
3, the device of reduction rail vibration damage of the present invention can install in advance in factory, then directly lifts at the scene, effectively reduces the workload of job site, add the safety of job site.
4, the apparatus structure of reduction rail vibration damage of the present invention is fairly simple, changes yielding rubber pad convenient, is easy to the maintenance and repair in later stage.
5, the cost of the device manufacture material requested of reduction rail vibration damage of the present invention is lower, and consumptive material is less, effectively reduces the input reducing rail vibration damage aspect.
Accompanying drawing explanation
Fig. 1 is the first structural representation of the device of reduction rail vibration damage of the present invention.
Fig. 2 is the second structural representation of the device of reduction rail vibration damage of the present invention.
Fig. 3 is the third structural representation of the device of reduction rail vibration damage of the present invention.
Fig. 4 is a kind of structural representation of roadbed in the device of reduction rail vibration damage of the present invention.
Fig. 5 is the combination schematic diagram of mobile sleeper and the second spring damping and vibration isolating part in Fig. 3, floating body.
Fig. 6 is the A-A sectional view of Fig. 5.
Fig. 7 is the B-B sectional view of Fig. 6.
Fig. 8 is a kind of sectional view of floating body in the device of reduction rail vibration damage of the present invention.
Fig. 9 is the force analysis sketch of floating body.
Figure 10 is a kind of sectional view of supporter in the device of reduction rail vibration damage of the present invention.
Figure 11 is the force analysis sketch of supporter.
1-main yielding rubber pad in figure, 2-the second spring damping and vibration isolating part, 3-floating body, 4-roadbed (4-1: base plate, 4-2: side plate), 5-secondary yielding rubber pad, 6-the first wear-resistant protecting layer, 7-the first spring damping and vibration isolating part, 8-supporter, 9-the second wear-resistant protecting layer, 10-pad, 11-roll wheel assembly, 12-mobile sleeper, 13-rail, 14-gauge locator (14-1: backstay, 14-1-1: the first shoulder block, 14-1-2: the second shoulder block, 14-2: pad, 14-3: the first baffle plate, 14-4: second baffle, 14-5: nut), 15-rail keeper, 16-rubber buffer, 17-fixing sleeper.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the invention will be further described.
Embodiment 1
In the present embodiment, the device reducing rail vibration damage as shown in Figure 1, comprises roadbed 4, main yielding rubber pad 1, second spring damping and vibration isolating part 2, floating body 3, secondary yielding rubber pad 5, first wear-resistant protecting layer 6, first spring damping and vibration isolating part 7, supporter 8, second wear-resistant protecting layer 9 and pad 10.Described roadbed 4 is the cavity bodies with concrete formation, and this cavity body is made up of base plate 4-1 and two inverted L-shaped side plate 4-2, and the length of stretch base is 5m; The four prisms cylinder of described floating body 3 to be the cross section of concrete formation be right-angled trapezium, the angle in the inclined-plane of this four prisms cylinder and two parallel surfaces between larger-size is defined as θ 3, θ 3=40 °; The four prisms cylinder of described supporter 8 to be the cross section of concrete formation be right-angled trapezium, the angle in the inclined-plane of this four prisms cylinder and two parallel surfaces between larger-size is defined as θ 4, θ 4=θ 3, and the area in supporter cross section is greater than the area in floating body cross section; Described first spring damping and vibration isolating part 7 is identical with the second spring damping and vibration isolating part 2 structure, forms by gripper shoe and the spring installed on the supporting plate; Described main yielding rubber pad 1 and secondary yielding rubber pad 5 are cuboid, make of the neoprene of metal oxide vulcanization; Described first wear-resistant protecting layer 6 and the second wear-resistant protecting layer 9 antifriction metal (AFM) make (as low-alloy steel), and pad 10 makes of carbon steel.
The assembling mode of each component: the first wear-resistant protecting layer 6 is laid on bottom the cavity of roadbed 4, secondary yielding rubber pad 5 is placed on the first wear-resistant protecting layer 6, first spring damping and vibration isolating part 7 is two covers, two cover first spring damping and vibration isolating part symmetries are arranged on the both sides of secondary yielding rubber pad 5, their bottom surface contacts with the first wear-resistant protecting layer 6, their two sides contact with the cavity side walls of roadbed 4 with each self-corresponding secondary yielding rubber pad 5 side respectively, cross section is the supporter 8 of the four prisms cylinder structure of right-angled trapezium is two, two supporter 8 symmetries are arranged on the both sides of secondary yielding rubber pad 5, the inclined-plane of described four prisms cylinder upwards, the sidewall contact of the face that in two parallel surfaces, size is less and roadbed cavity, larger-size with a contacts side surfaces of secondary yielding rubber pad 5, second wear-resistant protecting layer 9 is two pieces, two pieces second wear-resistant protecting layer is laid on the inclined-plane of two supporters 8 respectively, cross section is the floating body 3 of the four prisms cylinder structure of right-angled trapezium is two, two floating bodies are placed on respectively and are equipped with on two supporters 8 of wear-resistant protecting layer, the inclined-plane of described four prisms cylinder contacts with the second wear-resistant protecting layer 9, the larger-size sidewall facing to roadbed cavity in two parallel surfaces, main yielding rubber pad 1 is two pieces, two pieces main yielding rubber pad is arranged on two floating bodies 3 respectively towards the side of roadbed 4 cavity side walls and contacts with each self-corresponding floating body, pad 10 is two pieces, two pieces pad is arranged on the side of two main yielding rubber pads 1 towards roadbed cavity side walls respectively, and their two sides respectively with each self-corresponding side of main yielding rubber pad and the sidewall contact of roadbed cavity, second spring damping and vibration isolating part 2 is two covers, two cover the second spring damping and vibration isolating parts are placed on two floating bodies 3 respectively.
Embodiment 2
In the present embodiment, the device reducing rail vibration damage as shown in Figure 2, comprises roadbed 4, main yielding rubber pad 1, second spring damping and vibration isolating part 2, floating body 3, secondary yielding rubber pad 5, first wear-resistant protecting layer 6, first spring damping and vibration isolating part 7, supporter 8, second wear-resistant protecting layer 9 and pad 10.Described roadbed 4 is the cavity bodies with concrete formation, and this cavity body is made up of (see Fig. 4) base plate 4-1 and two " 1 " shaped side plates, and the length of stretch base is 5m; The tri-prismoid of described floating body 3 to be the cross section of concrete formation be right-angled triangle, is defined as θ 1, θ 1=70 ° towards the angle between the vertical guide of roadbed cavity side walls when the inclined-plane of this tri-prismoid and this tri-prismoid are installed; The tri-prismoid of described supporter 8 to be the cross section of concrete formation be right-angled triangle, angle between the face contacted with secondary yielding rubber pad 5 when the inclined-plane of this tri-prismoid is installed with this tri-prismoid is defined as θ 2, θ 2=θ 1, the area in supporter cross section is greater than the area in floating body cross section; Described first spring damping and vibration isolating part 7 is identical with the second spring damping and vibration isolating part 2 structure, forms by gripper shoe and the spring installed on the supporting plate; Described main yielding rubber pad 1 and secondary yielding rubber pad 5 are cuboid, make of the neoprene of metal oxide vulcanization; Described first wear-resistant protecting layer 6 and the second wear-resistant protecting layer 9 antifriction metal (AFM) make (as low-alloy steel), and pad 10 makes of carbon steel.
The assembling mode of each component: the first wear-resistant protecting layer 6 is laid on bottom the cavity of roadbed 4, secondary yielding rubber pad 5 is placed on the first wear-resistant protecting layer 6, first spring damping and vibration isolating part 7 is two covers, two cover first spring damping and vibration isolating part symmetries are arranged on the both sides of secondary yielding rubber pad 5, their bottom surface contacts with the first wear-resistant protecting layer 6, their two sides contact with the cavity side walls of roadbed 4 with each self-corresponding secondary yielding rubber pad 5 side respectively, cross section is the supporter 8 of the tri-prismoid structure of right-angled triangle is two, two supporter 8 symmetries are arranged on the both sides of secondary yielding rubber pad 5, the inclined-plane of described tri-prismoid upwards, two mutually perpendicular planes respectively with each self-corresponding first spring damping and vibration isolating part 7 end face and secondary yielding rubber pad 5 contacts side surfaces, second wear-resistant protecting layer 9 is two pieces, two pieces second wear-resistant protecting layer is laid on the inclined-plane of two supporters 8 respectively, cross section is the floating body 3 of the tri-prismoid structure of right-angled triangle is two, two floating bodies are placed on respectively and are equipped with on two supporters 8 of the second wear-resistant protecting layer 9, the inclined-plane of described tri-prismoid contacts with the second wear-resistant protecting layer 9, two mutually perpendicular planes is respectively to upper and towards the cavity side walls of roadbed 4, main yielding rubber pad 1 is two pieces, two pieces main yielding rubber pad is arranged on two floating bodies 3 respectively towards the side of roadbed 4 cavity side walls and contacts with each self-corresponding floating body, pad 10 is two pieces, two pieces pad is arranged on the side of two main yielding rubber pads 1 towards roadbed cavity side walls respectively, and their two sides respectively with each self-corresponding side of main yielding rubber pad and the sidewall contact of roadbed cavity, second spring damping and vibration isolating part 2 is two covers, two cover the second spring damping and vibration isolating parts are placed on two floating bodies 3 respectively.
Embodiment 3
In the present embodiment, reduce the device of rail vibration damage as shown in Fig. 3, Fig. 5, Fig. 6, comprise roadbed 4, main yielding rubber pad 1, second spring damping and vibration isolating part 2, floating body 3, secondary yielding rubber pad 5, first wear-resistant protecting layer 6, first spring damping and vibration isolating part 7, supporter 8, second wear-resistant protecting layer 9, pad 10, for install rail mobile sleeper 12, for installing fixing sleeper 17 and the gauge locator 14 of rail.Shape, the structure of described roadbed 4, main yielding rubber pad 1, second spring damping and vibration isolating part 2, floating body 3, secondary yielding rubber pad 5, first wear-resistant protecting layer 6, first spring damping and vibration isolating part 7, supporter 8, second wear-resistant protecting layer 9 and pad 10 are identical with embodiment 1 with assembling mode.The centre of described mobile sleeper 12 and fixing sleeper 17 is provided with trapezoidal groove, is provided with the rubber buffer 16 mated with this groove shapes in described trapezoidal groove, described gauge locator 14 comprises backstay 14-1, two the first baffle plate 14-3 and two second baffle 14-4, the intermediate section of backstay 14-1 is provided with two phases the first shoulder block 14-1-1 across a certain distance and the second shoulder block 14-1-2, the two ends of backstay are provided with thread segment, first baffle plate 14-3 is L shape, second baffle 14-4 is inverted L-shaped, the riser of the first baffle plate and second baffle baffle plate is provided with backstay via hole, two the first baffle plate 14-3 are combined to form with two second baffle 14-4 the adjustable clamp that two clamp rail 13 respectively, during combination, the riser of second baffle 14-4 is placed on the transverse slat of the first baffle plate 14-3, and its end face contacts with the transverse slat end face of the first baffle plate 14-3.
The quantity of mobile sleeper 12 is multiple (see Fig. 6), the quantity of fixing sleeper 17 is identical with the quantity of mobile sleeper, each mobile sleeper determining deviation of being separated by is arranged on a set of second spring damping and vibration isolating part 2, the roll wheel assembly 11 of its bottom surface contacts with the second spring damping and vibration isolating part, each fixing sleeper be separated by a determining deviation to be arranged on another set of second spring damping and vibration isolating part 2 and with mobile sleeper one_to_one corresponding, the bottom surface of described fixing sleeper contacts with the second spring damping and vibration isolating part, article two, rail is arranged on mobile sleeper 12 and fixing sleeper 17 respectively, their bottom surface with in mobile sleeper 12 and fixing sleeper 17 groove, rubber buffer 16 is installed and contacts, and fixed by rail keeper 15, gauge locator 14 moves between sleeper and two fixing sleepers two, two jigs in gauge locator are set in the two ends of backstay, wherein, the first shoulder block 14-1-1 on backstay is close in the side of a jig, fastening by nut 14-5 after combining with corresponding rail, the pad 14-2 adjusting railway track distance is set with between the side of another jig and the second shoulder block 14-1-2, to require and after combining with corresponding rail when the position of this jig is adjusted to the gauge met between two rails, by nut 14-5 by fastening for this jig.
Claims (10)
1. one kind reduces the device of rail vibration damage, comprise roadbed (4), characterized by further comprising main yielding rubber pad (1), the second spring damping and vibration isolating part (2), floating body (3), secondary yielding rubber pad (5), the first wear-resistant protecting layer (6), the first spring damping and vibration isolating part (7), supporter (8), the second wear-resistant protecting layer (9) and pad (10);
Described roadbed (4) is the cavity body with concrete formation, this cavity body is by base plate (4-1) and two shapes, measure-alike side plate (4-2) composition, the four prisms cylinder of right-angled trapezium that to be the tri-prismoid of right-angled triangle or the cross section of concrete formation be in the cross section that described floating body (3) is concrete formation, the four prisms cylinder of right-angled trapezium that to be the tri-prismoid of right-angled triangle or the cross section of concrete formation be in the cross section that described supporter (8) is concrete formation, and the cross section of the cross section of supporter and floating body is similar figures, the area in supporter cross section is greater than the area in floating body cross section,
First wear-resistant protecting layer (6) is laid on bottom the cavity of roadbed (4), secondary yielding rubber pad (5) is placed on the first wear-resistant protecting layer (6), first spring damping and vibration isolating part (7) is two covers, two cover the first spring damping and vibration isolating part symmetries are arranged on the both sides of secondary yielding rubber pad (5), their bottom surface contacts with the first wear-resistant protecting layer (6), their two sides contact with the cavity side walls of roadbed (4) with each self-corresponding secondary yielding rubber pad (5) side respectively, supporter (8) is two, two supporter (8) symmetries are arranged on the both sides of secondary yielding rubber pad (5), when supporter (8) is the tri-prismoid of right-angled triangle for cross section, the inclined-plane of described tri-prismoid upwards, two mutually perpendicular planes respectively with each self-corresponding first spring damping and vibration isolating part (7) end face and secondary yielding rubber pad (5) contacts side surfaces, when supporter (8) is the four prisms cylinder of right-angled trapezium for cross section, the inclined-plane of described four prisms cylinder upwards, the sidewall contact of the face that in two parallel surfaces, size is less and roadbed cavity, larger-size with a contacts side surfaces of secondary yielding rubber pad (5), second wear-resistant protecting layer (9) is two pieces, two pieces second wear-resistant protecting layer is laid on the inclined-plane of two supporters (8) respectively, floating body (3) is two, two floating bodies are placed on respectively and are equipped with on two supporters (8) of wear-resistant protecting layer, when floating body be cross section is the tri-prismoid of right-angled triangle, the inclined-plane of described tri-prismoid contacts with the second wear-resistant protecting layer (9), two mutually perpendicular planes is respectively to upper and towards the cavity side walls of roadbed (4), when floating body be cross section is the four prisms cylinder of right-angled trapezium, the inclined-plane of described four prisms cylinder contacts with the second wear-resistant protecting layer (9), the larger-size sidewall facing to roadbed cavity in two parallel surfaces, main yielding rubber pad (1) is two pieces, two pieces main yielding rubber pad is arranged on two floating bodies (3) respectively towards the side of roadbed (4) cavity side walls and contacts with each self-corresponding floating body, pad (10) is two pieces, two pieces pad is arranged on the side of two main yielding rubber pads (1) towards roadbed (4) cavity side walls respectively, and their two sides respectively with each self-corresponding side of main yielding rubber pad and the sidewall contact of roadbed cavity, second spring damping and vibration isolating part (2) is two covers, two cover the second spring damping and vibration isolating parts are placed on two floating bodies (3) respectively.
2. reduce the device of rail vibration damage according to claim 1, it is characterized in that when floating body (3) is the tri-prismoid of right-angled triangle for cross section, the inclined-plane of described tri-prismoid and its towards roadbed cavity side walls vertical guide between angle be defined as θ 1, θ 1=40 ° ~ 70 °; When supporter (8) is the tri-prismoid of right-angled triangle for cross section, the angle between the vertical guide that the inclined-plane of described tri-prismoid is in contact with it secondary yielding rubber pad (5) is defined as θ 2, θ 2=40 ° ~ 70 °, and θ 2=θ 1.
3. reduce the device of rail vibration damage according to claim 1, it is characterized in that when floating body (3) is the four prisms cylinder of right-angled trapezium for cross section, angle in the inclined-plane of described four prisms cylinder and two parallel surfaces between larger-size is defined as θ 3, θ 3=40 ° ~ 70 °; When supporter (8) is the four prisms cylinder of right-angled trapezium for cross section, the angle in the inclined-plane of described four prisms cylinder and two parallel surfaces between larger-size is defined as θ 4, θ 4=40 ° ~ 70 °, and θ 4=θ 3.
4. according to claim arbitrary in claims 1 to 3, reduce the device of rail vibration damage, it is characterized in that side plate (4-2) cross sectional shape of described roadbed is inverted L-shaped or " 1 " font.
5. according to claim arbitrary in claims 1 to 3, reduce the device of rail vibration damage, it is characterized in that the first spring damping and vibration isolating part (7) is identical with the second spring damping and vibration isolating part (2) structure, form by gripper shoe and the spring installed on the supporting plate.
6. reduce the device of rail vibration damage according to claim 4, it is characterized in that the first spring damping and vibration isolating part (7) is identical with the second spring damping and vibration isolating part (2) structure, form by gripper shoe and the spring installed on the supporting plate.
7. according to claim arbitrary in claims 1 to 3, reduce the device of rail vibration damage, characterized by further comprising the mobile sleeper (12) for installing rail, for installing fixing sleeper (17) and the gauge locator (14) of rail, the centre of described mobile sleeper (12) and fixing sleeper (17) is provided with trapezoidal groove, is provided with the rubber buffer (16) mated with this groove shapes in described trapezoidal groove;
The quantity of mobile sleeper (12) is multiple, the quantity of fixing sleeper (17) is identical with the quantity of mobile sleeper, each mobile sleeper determining deviation of being separated by is arranged on a set of second spring damping and vibration isolating part (2), the roll wheel assembly (11) of its bottom surface contacts with the second spring damping and vibration isolating part, each fixing sleeper be separated by a determining deviation be arranged on another set of second spring damping and vibration isolating part (2) upper and with mobile sleeper one_to_one corresponding, the bottom surface of described fixing sleeper contacts with the second spring damping and vibration isolating part, gauge locator (14) moves between sleeper and two fixing sleepers two, the two ends of gauge locator are connected with two rails (13) respectively.
8. reduce the device of rail vibration damage according to claim 4, characterized by further comprising the mobile sleeper (12) for installing rail, for installing fixing sleeper (17) and the gauge locator (14) of rail, the centre of described mobile sleeper (12) and fixing sleeper (17) is provided with trapezoidal groove, is provided with the rubber buffer (16) mated with this groove shapes in described trapezoidal groove;
The quantity of mobile sleeper (12) is multiple, the quantity of fixing sleeper (17) is identical with the quantity of mobile sleeper, each mobile sleeper determining deviation of being separated by is arranged on a set of second spring damping and vibration isolating part (2), the roll wheel assembly (11) of its bottom surface contacts with the second spring damping and vibration isolating part, each fixing sleeper be separated by a determining deviation be arranged on another set of second spring damping and vibration isolating part (2) upper and with mobile sleeper one_to_one corresponding, the bottom surface of described fixing sleeper contacts with the second spring damping and vibration isolating part, gauge locator (14) moves between sleeper and two fixing sleepers two, the two ends of gauge locator are connected with two rails (13) respectively.
9. reduce the device of rail vibration damage according to claim 7, it is characterized in that gauge locator (14) comprises backstay (14-1), two the first baffle plates (14-3) and two second baffles (14-4), the intermediate section of described backstay (14-1) is provided with two phases the first shoulder block (14-1-1) across a certain distance and the second shoulder block (14-1-2), the two ends of backstay are provided with thread segment, described first baffle plate (14-3) is L shape, described second baffle (14-4) is inverted L-shaped, the riser of the first baffle plate and second baffle baffle plate is provided with backstay via hole,
Two the first baffle plates (14-3) are combined to form with two second baffles (14-4) adjustable clamp that two clamp rail (13) respectively, two jigs are set in the two ends of backstay, wherein, the first shoulder block (14-1-1) on backstay is close in the side of a jig, fastening by nut (14-5) after combining with corresponding rail, the pad (14-2) adjusting railway track distance is set with between the side of another jig and the second shoulder block (14-1-2), to require and after combining with corresponding rail when the position of this jig is adjusted to the gauge met between two rails, by nut (14-5) by fastening for this jig.
10. reduce the device of rail vibration damage according to claim 8, it is characterized in that gauge locator (14) comprises backstay (14-1), two the first baffle plates (14-3) and two second baffles (14-4), the intermediate section of described backstay (14-1) is provided with two phases the first shoulder block (14-1-1) across a certain distance and the second shoulder block (14-1-2), the two ends of backstay are provided with thread segment, described first baffle plate (14-3) is L shape, described second baffle (14-4) is inverted L-shaped, the riser of the first baffle plate and second baffle baffle plate is provided with backstay via hole,
Two the first baffle plates (14-3) are combined to form with two second baffles (14-4) adjustable clamp that two clamp rail (13) respectively, two jigs are set in the two ends of backstay, wherein, the first shoulder block (14-1-1) on backstay is close in the side of a jig, fastening by nut (14-5) after combining with corresponding rail, the pad (14-2) adjusting railway track distance is set with between the side of another jig and the second shoulder block (14-1-2), to require and after combining with corresponding rail when the position of this jig is adjusted to the gauge met between two rails, by nut (14-5) by fastening for this jig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310705841.8A CN103711045B (en) | 2013-12-19 | 2013-12-19 | Device for reducing rail vibration damage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310705841.8A CN103711045B (en) | 2013-12-19 | 2013-12-19 | Device for reducing rail vibration damage |
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| CN103711045A CN103711045A (en) | 2014-04-09 |
| CN103711045B true CN103711045B (en) | 2015-07-15 |
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| CN201310705841.8A Expired - Fee Related CN103711045B (en) | 2013-12-19 | 2013-12-19 | Device for reducing rail vibration damage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AT517573A1 (en) | 2015-07-21 | 2017-02-15 | Steinhauser Consulting Eng Zt Gmbh | Bahngleisauflagerung |
| CN105484111B (en) * | 2015-12-11 | 2018-03-16 | 北京捷适中坤铁道技术有限公司 | Longitudinal sleeper damper rail and its damping assembly |
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| EP1258563A2 (en) * | 2001-05-15 | 2002-11-20 | Pfleiderer Infrastrukturtechnik GmbH & Co. KG | Ballastless railway track with elastically supported sound absorber elements |
| CN1707026A (en) * | 2004-07-23 | 2005-12-14 | 尹学军 | Floating road bed |
| WO2009121323A1 (en) * | 2008-04-01 | 2009-10-08 | Rail.One Gmbh | Fixed track for rail vehicles |
| CN201915298U (en) * | 2010-12-17 | 2011-08-03 | 中国铁道科学研究院铁道建筑研究所 | Elastic sleeper-type ballastless track |
| CN202347373U (en) * | 2011-12-02 | 2012-07-25 | 合肥工业大学 | Noise and vibration reducing structure for combined type track |
| CN102653931A (en) * | 2011-03-04 | 2012-09-05 | 北京市劳动保护科学研究所 | Elastic supporting vibration isolation member ballast bed |
| CN202500063U (en) * | 2012-01-20 | 2012-10-24 | 北京市市政工程设计研究总院 | Low-frequency floating plate track |
| CN203625725U (en) * | 2013-12-19 | 2014-06-04 | 四川大学 | Device for reducing rail vibration hazards |
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2013
- 2013-12-19 CN CN201310705841.8A patent/CN103711045B/en not_active Expired - Fee Related
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| EP1258563A2 (en) * | 2001-05-15 | 2002-11-20 | Pfleiderer Infrastrukturtechnik GmbH & Co. KG | Ballastless railway track with elastically supported sound absorber elements |
| CN1707026A (en) * | 2004-07-23 | 2005-12-14 | 尹学军 | Floating road bed |
| WO2009121323A1 (en) * | 2008-04-01 | 2009-10-08 | Rail.One Gmbh | Fixed track for rail vehicles |
| CN201915298U (en) * | 2010-12-17 | 2011-08-03 | 中国铁道科学研究院铁道建筑研究所 | Elastic sleeper-type ballastless track |
| CN102653931A (en) * | 2011-03-04 | 2012-09-05 | 北京市劳动保护科学研究所 | Elastic supporting vibration isolation member ballast bed |
| CN202347373U (en) * | 2011-12-02 | 2012-07-25 | 合肥工业大学 | Noise and vibration reducing structure for combined type track |
| CN202500063U (en) * | 2012-01-20 | 2012-10-24 | 北京市市政工程设计研究总院 | Low-frequency floating plate track |
| CN203625725U (en) * | 2013-12-19 | 2014-06-04 | 四川大学 | Device for reducing rail vibration hazards |
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| CN103711045A (en) | 2014-04-09 |
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