CN103998686B - The sound arrester of track - Google Patents
The sound arrester of track Download PDFInfo
- Publication number
- CN103998686B CN103998686B CN201280059517.7A CN201280059517A CN103998686B CN 103998686 B CN103998686 B CN 103998686B CN 201280059517 A CN201280059517 A CN 201280059517A CN 103998686 B CN103998686 B CN 103998686B
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- fixing parts
- sound
- horizontal part
- track
- protuberance
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
Abstract
There is provided the sound arrester of a kind of track, it is not necessary to fix for bolt or instrument that screw is fixing, therefore, it is possible to improve the workload of construction and numerous and diverse degree, and the part more stretched out than track can be reduced, the problem becoming obstruction when also eliminating railway maintenance.The sound arrester (1) of track has the 1st sound-insulating member (2), the 2nd sound-insulating member (3) and fixture (7).Fixture (7) is made up of the 1st fixing parts (8) and the 2nd fixing parts (9).1st fixing parts (8) have and insert horizontal part (41) below rail base lower surface and the end with horizontal part (41) conjointly arranges and be posted by the rising portion (42) of sound shielding cover (13) of the 1st sound-insulating member (2).2nd fixing parts (9) have and insert horizontal part (51) below rail base lower surface and the end with horizontal part (51) conjointly arranges and be posted by the rising portion (52) of sound shielding cover (16) of the 2nd sound-insulating member.1st fixing parts (8) and the 2nd fixing parts (9) are can be fitted together in the way of dismounting.
Description
Technical field
The present invention relates to the sound arrester of track, particularly relate to the sound arrester with the track for the fixture being fixed on track by sound-insulating member.
Background technology
In the past, sound arrester as the track having for the fixture that sound-insulating member is fixed on track, it is proposed to have following device, this device has: the 1st sound-insulating member, it has sound-absorbing pad and a sound shielding cover, and needs part from what the side of a side was installed on raceway surface；With the 2nd sound-insulating member, it has sound-absorbing pad and a sound shielding cover, and needs part from what the side of the opposing party was installed on raceway surface, and this device has the fixture for fixing two sound-insulating members.
In the device of patent documentation 1 and 2, fixture is made up of 2 fixing parts, and the side of these fixing parts road bottom lower surface in-orbit is overlapping and is fixed by bolt.It addition, in the device of patent documentation 3, fixture is fixed by screw.
Patent documentation 1: Japanese Unexamined Patent Publication 2007-224700 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2006-2442 publication
Patent documentation 3: Japanese Unexamined Patent Publication 2008-95408 publication
Summary of the invention
In the device of above-mentioned patent documentation 3, it is necessary to for the instrument that screw is fixing, there is the problem that application property is bad.In the device of patent documentation 1 and 2, owing to being that bolt is fixed, so application property is fixed well than screw, but need the instrument for constructing, and, the coincidence part fixing for bolt stretches out more than track, the problem becoming obstruction when therefore there is railway maintenance.
It is an object of the invention to provide the sound arrester of a kind of track, the instrument that bolt is fixed or screw is fixing need not be used for, therefore, it is possible to improve the workload of construction and numerous and diverse degree, and the part more stretched out than track can be reduced, the problem becoming obstacle when eliminating railway maintenance.
The sound arrester of the track of the present invention has: the 1st sound-insulating member, and it has sound-absorbing pad and a sound shielding cover, and needs part from what the side of a side was installed on raceway surface；With the 2nd sound-insulating member, it has sound-absorbing pad and sound shielding cover, and need part from what the side of the opposing party was installed on raceway surface, and fixture, it is used for fixing two sound-insulating members, the sound arrester of this track is characterised by, fixture includes the 1st fixing parts and the 2nd fixing parts, 1st fixing parts have the horizontal part inserted below rail base lower surface, and the rising portion of the sound shielding cover of the sound-insulating member of a side is conjointly set with the end of horizontal part and is posted by, 2nd fixing parts have the horizontal part below the horizontal part inserting the 1st fixing parts, and the rising portion of the sound shielding cover of the sound-insulating member of the opposing party is conjointly set with the end of horizontal part and is posted by, on the fixing parts of either one in the 1st fixing parts and the 2nd fixing parts, it is provided with at least one protuberance, on the fixing parts of the opposing party, it is provided with the recess chimeric with this protuberance, the horizontal part of the 1st fixing parts and the 2nd fixing parts coincides with one another and can be fitted together in the way of dismounting.
In order to use two fixing parts to fix two sound-insulating members, generally, each fixing parts form fastened portion respectively, require over bolt to be bonded to each other in fastened portion, but by becoming, to make each fixture be have the shape of horizontal part and rising portion and the 1st fixing parts and the 2nd fixing parts structure can be fitted together in the way of dismounting, it is possible to the fastened portion of the fastening that removing carries out based on bolt and the fixture for this fastening.Thus, it is not necessary to fixing for bolt or instrument that screw is fixing, therefore, it is possible to improve the workload of construction and numerous and diverse degree, and the part more stretched out than track can being reduced, thus eliminating the problem becoming obstruction when railway maintenance.
Within the part more stretched out than track is 10mm preferably with respect to rail base.By using above-mentioned two fixture to be fixed, it is possible to easily meet this condition.
In order to form the structure can be fitted together in the way of dismounting, for instance, as long as arranging at least one protuberance in either one (horizontal part and/or the rising portion) of the 1st and the 2nd fixing parts and arranging the recess chimeric with this protuberance on the opposing party.Quantity and the shape of protuberance and recess are not particularly limited, such as, one protuberance can be set on a side and a recess is set on the opposing party, two protuberances can also be set on a side and two recesses are set on the opposing party, it is also possible to a protuberance and a recess be set on a side and a recess and a protuberance are set on the opposing party.Alternatively, it is also possible to making a side is waveform, zigzag etc. and to make the opposing party be corresponding waveform, zigzag etc..It addition, the bottom surface that recess need not have abuts with the front end face of protuberance, it is possible to it is the form such as hole, slit.
Preferably, being provided with bending part at least one party of the fixing parts of the 1st fixing parts and the 2nd, this bending part is located at horizontal part with rising portion opposition side end, and the fixing parts movement to rising portion side of restriction.
According to the fixing parts being provided with bending part, by rising portion and bending part, can from the sandwich sound-insulating member of track bottom surface sections, therefore even without the fixing parts of the opposing party, it also is able to carry out a degree of fixing, by the combination with the fixing parts of the opposing party, it is possible to be more firmly fixed.
Preferably, bending part is located on the 2nd fixing parts and abuts from the rising portion in outside with the 1st fixing parts.Thereby, it is possible to prevent the movement on the direction orthogonal with track of the 1st and the 2nd fixing parts both sides, it is firmly fixed thus becoming.
Preferably, the 1st protuberance at least one protuberance above-mentioned is located on the lateral surface of the rising portion of the 1st fixing parts, is provided with 1st recess chimeric with the 1st protuberance on the bending part of the 2nd fixing parts.Thus, except the effect of the movement on the direction orthogonal with track preventing each fixing parts realized based on bending part, the effect of movement on the direction orthogonal with track preventing each fixing parts of the chimeric realization based on the 1st protuberance and the 1st recess can also being obtained, being more firmly fixed thus becoming.
Preferably, the 2nd protuberance at least one protuberance above-mentioned is arranged in the way of the end with rising portion opposition side from the horizontal part of the 1st fixing parts highlights in the horizontal direction, and the second recesses chimeric with the 2nd protuberance is located at the bottom of the rising portion of the 2nd fixing parts.Thus, it is fitted together to by two protuberances and the respective of two recesses, it is possible to be reliably prevented the relative movement of the length direction along track of each fixing parts, it is also possible to reliably position.
The method that the sound arrester being provided with the track of above-mentioned (the 5th scheme) of the Qian He of the 2nd protuberance and second recesses is installed on track is comprised the following steps: the horizontal part of the 1st fixing parts is inserted from the side of track the step arranging the 1st fixing parts below rail base lower surface；The horizontal part of the 2nd fixing parts is inserted below the horizontal part of the 1st fixing parts from the opposite side of track, so that the second recesses of the 2nd fixing parts is chimeric with the 2nd protuberance of the 1st fixing parts, and the 1st fixing parts horizontal part and the end of rising portion opposition side and the 2nd fixing parts rising portion side end between very close to each other and fix in the end and the 2nd of the rising portion side of the horizontal part of the 1st fixing parts parts horizontal part bending part side end between there is the mode in gap the 2nd step fixing parts be set；Use bar-shaped instrument, with the end side of instrument for fulcrum, with another side of instrument for force position, make the mid portion end abutment from downside with the bending part side of the horizontal part of the 2nd fixing parts of instrument, to force position effect power upward, thus eliminate the step in gap between the end of the end of the rising portion side of the horizontal part of the 1st fixing parts and the bending part side of the 2nd fixing parts.
There is following situation: on the horizontal part of the fixing parts of either one that the 1st protuberance at least one protuberance above-mentioned is located in the 1st fixing parts and the 2nd fixing parts, the horizontal part of the fixing parts of the opposing party is provided with 1st recess chimeric with the 1st protuberance.
In this case, preferably, the horizontal part of either one in the 1st fixing parts and the 2nd fixing parts is provided with guide portion, this guide portion for guiding the horizontal part of the opposing party with the horizontal part of the opposing party when the horizontal part of one side overlaps, and limits the horizontal part movement along track length direction of the opposing party after coincidence.
Thus, when making the 1st fixing parts and the 2nd fixing parts are chimeric, guided by guide portion, thus, it is prevented that misplace and make chimeric transfiguration easy, and, by the Qian He of guide portion Yu horizontal part, the 1st fixing parts and the 2nd fixing parts are difficult to separate more.
It is further preferred that the horizontal part of either one fixed at the 1st fixing parts and the 2nd in parts is provided with protuberance, the horizontal part of the opposing party is provided with the recess chimeric with this protuberance, and is provided with bending part and guide portion on the 1st fixing parts.Thus, two fixing parts relative movements each other are suppressed by the chimeric of protuberance Yu recess, and the movement along track width direction of the 1st fixing parts is suppressed by bending part, the movement along track length direction of the 2nd fixing parts is suppressed by the guide portion of the 1st fixing parts, the combination of the 1st fixing parts and the 2nd fixing parts becomes firm, and the fixing of sound-insulating member becomes extremely firm.
There is the flat situation that sound shielding cover is formed as being erected on rail web lateral upper end and rail base upper surface leading section, additionally, there are following situation: sound shielding cover has: extend to the rake of rail base upper surface leading section from rail web lateral upper end；From the lower end of rake along the vertical component effect of rail base side；With the horizontal part that the lower end edge rail base lower surface from vertical component effect extends, sound-absorbing pad is located on rake and horizontal part both sides.The former has the advantage of the structure that can simplify sound-insulating member, the advantage that the latter has the sound-absorbing pad by being located at rail base lower surface and sound shielding cover and improves soundproof effect further.
Preferably, the vertical component effect of sound shielding cover is provided with prevents each fixing parts protuberance to the dislocation of orbital direction.Thus, the fixture dislocation along track length direction it is reliably prevented.
Sound-absorbing pad is preferably formed by threadiness sound-absorbing material, foamed resin shape sound-absorbing material, continuous air bubbles foam sound-absorbing material, inorganic porous sound-absorbing material processed and inorganic particulate sintering at least any of of sound-absorbing material.In view of sound-absorbing effect, operability, more preferably resin foam sound-absorbing materials such as the sound-absorbing material fiber such as glass cotton, asbestos, polyurethane foam, EPDM foam, polyethylenes.
It addition, sound shielding cover is preferably formed by least any of in metallic plate, resin plate and inorganic board.In view of processability, long durability, mechanical strength, more preferably use the corrosion resistance steel plate such as Al-Zn coated steel or molten zinc plating-aluminium-magnesium alloy steel plate.
Surface density and the thickness of sound shielding cover are not particularly limited, but surface density preferably 0.5～15kg/m2, thickness is about 0.1～2.0mm preferably.
The length of sound shielding cover is not particularly limited, if arranging a sound shielding cover by each sleeper interval, then for the common sleeper interval i.e. building site of 550～600mm, and the length of sound shielding cover preferably 600～650mm.The sleeper interval of actual job site produces the deviation of about 50mm, and the building site for 550～600mm becomes 600～650mm, therefore, it is possible to by making adjacent cover coincide with one another without constructing with gap.So, in view of the situation making sound shielding cover overlap each other, as it was previously stated, the thickness of sound shielding cover is preferably about 0.1～2.0mm.
The position that the last week of sound shielding cover, edge contacted with raceway surface is as long as no reaching horizontally disposed track clearance, then need not be particularly limited to relative to the position that orbital head dome top surface is downside 38mm, but preferably in the position contacted with raceway surface relative to the position that orbital head dome top surface is downside 42～62mm.
Vibration-damping sheet can be made to get involved between sound-absorbing pad and sound shielding cover.The loss factor of the vibration-damping sheet in this situation is preferably more than 0.1, for instance become 2 layers of structure of vibration damping resin bed and bond course.
Invention effect
The sound arrester of the track according to the present invention, 1st fixing parts have the horizontal part inserted below rail base lower surface, and the rising portion of the sound shielding cover of the sound-insulating member of a side is conjointly set with the end of horizontal part and is posted by, 2nd fixing parts have the horizontal part inserted below rail base lower surface, and the rising portion of the sound shielding cover of the sound-insulating member of the opposing party is conjointly set with the end of horizontal part and is posted by, the horizontal part of the 1st fixing parts and the 2nd fixing parts coincides with one another and can be fitted together in the way of dismounting, therefore, the instrument that bolt is fixed or screw is fixing need not be used for, therefore, the workload of construction and numerous and diverse degree can be improved, and the part more stretched out than track can be reduced, thus eliminating the problem becoming obstruction when railway maintenance.
Accompanying drawing explanation
Fig. 1 indicates that the sectional view of the 1st embodiment of the sound arrester of the track of the present invention.
Fig. 2 indicates that the axonometric chart of the 1st fixing parts of the fixture of the sound arrester of the track of the 1st embodiment.
Fig. 3 indicates that the axonometric chart of the 2nd fixing parts of the fixture of the sound arrester of the track of the 1st embodiment.
Fig. 4 indicates that the figure of the installation method of the sound arrester of the track of the 1st embodiment.
Fig. 5 indicates that the side view of the preferred implementation of the sound shielding cover in the sound arrester of the track of the 1st embodiment.
Fig. 6 indicates that the axonometric chart of the preferred implementation of the sound shielding cover in the sound arrester of the track of the 1st embodiment.
Fig. 7 indicates that the sectional view of the 2nd embodiment of the sound arrester of the track of the present invention.
Fig. 8 indicates that the axonometric chart of the 1st fixing parts of the fixture of the sound arrester of the track of the 2nd embodiment.
Fig. 9 indicates that the axonometric chart of the 2nd fixing parts of the fixture of the sound arrester of the track of the 2nd embodiment.
Figure 10 indicates that the sectional view of the reference example of the sound arrester of the track of the present invention.
Figure 11 indicates that the axonometric chart of the fixture of the sound arrester of the track of reference example.
Description of reference numerals
The sound arrester of 1 track
2 the 1st sound-insulating members
3 the 2nd sound-insulating members
4 fixtures
5 the 1st fixing parts
6 the 2nd fixing parts
7 fixtures
8 the 1st fixing parts
9 the 2nd fixing parts
11,14 sound-absorbing pad
13,16 sound shielding cover
13a, 16a rake
13b, 16b vertical component effect
13c, 16c horizontal part
21 horizontal parts
22 rising portion
23 bending parts
24 protuberances (the 1st protuberance)
25 guide portion
31 horizontal parts
32 rising portion
34 through holes (the 1st recess)
41 horizontal parts
42 rising portion
44 protuberances (the 2nd protuberance)
45 protuberances (the 1st protuberance)
51 horizontal parts
52 rising portion
53 bending parts
54 through holes (second recesses)
55 through holes (the 1st recess)
61,62,63 protuberance
Detailed description of the invention
Hereinafter, it is explained with reference to embodiments of the present invention.In the following description, up and down, left and right refers to upper and lower, the left and right of Fig. 1.
Fig. 1 represents the 1st embodiment of the sound arrester of the track of the present invention, and the sound arrester 1 of track has: be installed on the 1st sound-insulating member 2 of the needs part on track R surface from left side (side of a side)；The 2nd sound-insulating member 3 of the needs part on track R surface it is installed on from right side (the opposing party's side)；With the fixture 7 being made up of the 1st fixing fixing parts 9 of parts the 8 and the 2nd for fixing two sound-insulating members 2,3.
Each sound-insulating member 2,3 by the sound-absorbing pad 11 overlapped in stratiform in order from inner side, 14, vibration-damping sheet 12,15 and sound shielding cover 13,16 constitute.
Each sound-insulating member 2,3 by the sound-absorbing pad 11 overlapped in stratiform in order from inner side, 14, vibration-damping sheet 12,15 and sound shielding cover 13,16 constitute.
Each sound-absorbing pad 11,14 is divided into abdominal part sound-absorbing pad 11a, 14a and bottom sound-absorbing pad 11b, 14b to arrange, wherein, abdominal part sound-absorbing pad 11a, 14a are set to rail base Rb upper surface width direction central authorities from the middle frame of the short transverse of rail web Rw side, and bottom sound-absorbing pad 11b, 14b are posted by rail base Rb lower surface from below.In the figure, the cross section of abdominal part sound-absorbing pad 11a, 14a is not rectangle, in the contact site office with track R, is expressed as rectangle and has carried out the such shape of excision, and this is the shape formed by conquassation in compressed fashion owing to being pressed by track R.The thickness of bottom sound-absorbing pad 11b, 14b is by being installed on about 1/2 of thickness when being compressed into free on track R.
Vibration-damping sheet 12,15 is the size (area) identical with sound-absorbing pad 11,14, is divided into abdominal part vibration-damping sheet 12a, 15a and bottom vibration-damping sheet 12b, 15b to arrange.
Sound shielding cover 13,16 includes: rake 13a, 16a, and it sets up near rail base Rb upper surface front end near the upper end of the short transverse of rail web Rw side；Vertical component effect 13b, 16b, it extends downwards from the side of rake 13a, 16a lower end edge rail base Rb；With horizontal part 13c, 16c, it extends from the lower end edge rail base Rb following table of vertical component effect 13b, 16b towards the central side of track.
Between horizontal part 13c, 16c of each sound shielding cover 13,16, being provided with some gaps, the end face of the end face of horizontal part 13c, 16c of each sound shielding cover 13,16, the end face of bottom sound-absorbing pad 11b, 14b and bottom vibration-damping sheet 12b, 15b is substantially aligned.
In the present embodiment, first the 1st fixing parts 8 are set from right side, then, the 2nd fixing parts 9 are set from left side.
Simultaneously as in figure 2 it is shown, the 1st fixing parts 8 have: insert the horizontal part 41 below rail base Rb lower surface；And the rising portion 42 of the sound shielding cover 16 of the 2nd sound-insulating member 3 is conjointly set with the right part of horizontal part 41 and is posted by.
Horizontal part 41 is posted by the horizontal part 13c of the sound shielding cover 13 of the 1st sound-insulating member 2 and the horizontal part 16c both sides of the sound shielding cover 16 of the 2nd sound-insulating member 3 from below.
Rising portion 42 includes overlapping for the vertical component effect 16b vertical component effect 42a with sound shielding cover 16 and overlapping for the rake 16a rake 42b with sound shielding cover 16.The upper end position of the upper end position of rake 42b and the abdominal part sound-absorbing pad 14a of the 2nd sound-insulating member 3 is roughly equal.
Simultaneously as it is shown on figure 3, the 2nd fixing parts 9 have and insert horizontal part 51 below rail base Rb lower surface and the right part with horizontal part 51 conjointly arranges and be posted by the rising portion 52 of sound shielding cover 13 of the 1st sound-insulating member 2.
Horizontal part 51 is overlapping with the horizontal part 41 of the 1st fixing parts 8 from downside.Rising portion 52 includes overlapping for the vertical component effect 13b vertical component effect 52a with sound shielding cover 13 and overlapping for the rake 13a rake 52b with sound shielding cover 13.The upper end position of the upper end position of rake 52b and the abdominal part sound-absorbing pad 11a of the 1st sound-insulating member 2 is roughly equal.
Being provided with bending part 53 on the 2nd fixing parts 9, this bending part 53 is located at the right part (end with rising portion opposition side) of horizontal part 51, and abuts from the vertical component effect 42a in outside with the rising portion 42 of the 1st fixing parts 8.The upper end of bending part 53 is formed in the way of bending laterally.The upper end position of bending part 53 is below the height of rail base Rb.Below the height that upper end position is rail base Rb of bending part 53, so when arranging the 2nd fixing parts 9 from the left side of Fig. 1, it is easy to make it mobile to the right side (inboard) of track R such that it is able to be easily configured operation.
The square protuberance (the 2nd protuberance) 44 of the narrow width prominent to horizontal direction it is provided with in the left part of the horizontal part 41 of the 1st fixing parts 8.In the bottom of the vertical component effect 52a of the 2nd fixing parts 9, it is provided with the square through hole (second recesses) 54 chimeric with the protuberance 44 of the 1st fixing parts 8.
On the vertical component effect 42a of the rising portion 42 of the 1st fixing parts 8, it is provided with substantially hemispheric protuberance (the 1st protuberance) 45.On the bending part 53 of the 2nd fixing parts 9, it is provided with the circular through hole (1st recess) 55 chimeric with substantially hemispheric protuberance 45.Thus, respective chimeric with two through holes 54,55 by two protuberances 44,45, the 1st fixing fixing parts 9 of parts the 8 and the 2nd are can be fitted together in the way of dismounting.
On the horizontal part 41 of the 1st fixing parts 8, the buffer part 46 of horizontal part 13c, 16c of being provided with the sound shielding cover 13,16 crossing over two sound-insulating members 2,3 rubber abutted with it.It addition, the on the rake 42b of the rising portion 42 of 1 fixing parts 8, it is provided with the buffer part 47 of the rubber that the top with the rake 16a of the sound shielding cover 16 of the 2nd sound-insulating member 3 abuts.On the rake 52b of the rising portion 52 of the 2nd fixing parts 9, it is provided with the buffer part 57 of the rubber that the top with the rake 13a of the sound shielding cover 13 of the 1st sound-insulating member 2 abuts.
Each vibration-damping sheet 12,15 includes: with the vibration damping resin bed 17,19 of laminating inside sound shielding cover 13,16；And overlap with sound-absorbing pad 11,14 surface and the steel plate 18,20 of thickness 0.27mm as the bond course fitted with vibration damping resin bed 17,19.
The sound arrester 1 of the track according to the 1st embodiment, the 1st fixing parts 8 and the 2nd fixing parts 9 for fixing sound-insulating member 2,3 combine by being fitted together to, there is no need for the instrument that bolt is fixed or screw is fixing, therefore, it is possible to improve the workload of construction and numerous and diverse degree.It addition, the bending part 53 of the 2nd fixing parts 9 not only prevents the 2nd fixing parts 9 from moving to the left, also prevent the 1st fixing parts 8 from moving to the right, therefore, it is difficult to come off.
In above-mentioned 1st embodiment, it is possible to omit the protuberance 44 of the horizontal part 41 of the 1st fixing parts 8 and the through hole 54 of the vertical component effect 52a of the corresponding the 2nd fixing parts 9.In this case, the left side of the horizontal part 41 of the 1st fixing parts 8 abuts with the vertical component effect 52a of the 2nd fixing parts 9, and in this condition, the protuberance 45 of the rising portion 42 of the 1st fixing parts 8 is chimeric with the through hole 55 of the bending part 53 of the 2nd fixing parts 9.
The sound arrester 1 of the track of above-mentioned 1st embodiment is installed on the method for track R as shown in Figure 4.
In order to the sound arrester 1 of the track of the 1st embodiment is installed on track R, first, as shown in Fig. 4 (a), confirm whether sound-absorbing pad 11b, 14b of each sound-insulating member 2,3 abut with rail base Rb lower surface, the horizontal part 41 of the 1st fixing parts 8 is inserted from the right side of track R the 1st fixing parts 8 are set below rail base Rb lower surface.By making the horizontal part 41 of the 1st fixing parts 8 be posted by rail base Rb lower surface, as shown in Fig. 4 (b), the state that the 1st fixing parts 8 are roughly the same when being arranged to installation.It follows that arrange the 2nd fixing parts 9.Now, the 2nd fixing parts 9 insert below rail base Rb lower surface in the way of having the gap suitable with the height of bending part 53 between two horizontal parts 41,51, so that bending part 53 will not interfere with the horizontal part 41 of the 1st fixing parts 8.Then, the through hole (second recesses) 54 making the 2nd fixing parts 9 is chimeric with protuberance (the 1st protuberance) 44 of the 1st fixing parts 8.As shown in Fig. 4 (c), in this condition, generally, the right part of the mid portion of the bending part 53 of the 2nd fixing parts 9 and the horizontal part 41 of the 1st fixing parts 8 interferes, and cannot closely be fitted together to.Therefore, become following state: very close to each other between left part (and end of rising portion opposition side) and the left part (end of rising portion side) of the 2nd fixing parts 9 of the horizontal part 41 of the 1st fixing parts 8, but there is gap between right part (end of rising portion side) and the right part (and end of rising portion opposition side) of the 2nd fixing parts 9 of the horizontal part 41 of the 1st fixing parts 8.Therefore, use bar-shaped instrument 60, with the left end side 60a of instrument 60 for fulcrum, with the right-hand member side 60b of instrument 60 for force position, the mid portion 60c making instrument 60 abuts from the right part (end of bending part side) of downside with the horizontal part 51 of the 2nd fixing parts 9, and right-hand member side 60b (force position) is acted on power upward, thus, eliminate the gap between the right part of the horizontal part 41 of the 1st fixing parts 8 and the right part of the 2nd fixing parts 9.Pass through above step, as shown in Fig. 4 (d), the protuberance (the 1st protuberance) 45 of the 1st fixing parts 8 is chimeric with through hole (the 1st recess) 55 of the 2nd fixing parts 9, the 1st fixing fixing parts 9 of parts the 8 and the 2nd are securely joined with, and the sound arrester 1 of track is will not be installed on track R in the way of coming off from track R.
Additionally, in the sound arrester 1 of the track of the 1st embodiment, in order to prevent fixture 7 from moving along the length direction of track R, as it is shown in figure 5, preferably in sound shielding cover 13 to arrange protuberance 61 in the way of the sandwich fixture 7 of the length direction of track R.About protuberance, as shown in Fig. 6 (a), it is possible to be the protuberance 61 of the shape that hemisphere is excised half, as shown in Fig. 6 (b), can also be the protuberance 62 of circular cone shape, as shown in Fig. 6 (c), it is also possible to be hemispheric protuberance 63.When hemisphere being excised protuberance 61 of shape of half, as it is shown in figure 5, formed in the way of making section relative with fixture 7.
Fig. 7 represents the 2nd embodiment of the sound arrester of the track of the present invention, and the sound arrester 1 of track has: be installed on the 1st sound-insulating member 2 of the needs part on track R surface from left side (side of a side)；The 2nd sound-insulating member 3 of the needs part on track R surface it is installed on from right side (the opposing party's side)；With the fixture 4 being made up of the 1st fixing fixing parts 6 of parts the 5 and the 2nd for fixing two sound-insulating members 2,3.
Each sound-insulating member 2,3 is identical with the 1st embodiment, marks the accompanying drawing labelling identical with the 1st embodiment and the description thereof will be omitted.
Simultaneously as shown in Figure 8, the 1st fixing parts 5 have and insert horizontal part 21 below rail base Rb lower surface and the left part with horizontal part 21 conjointly arranges and be posted by the rising portion 22 of rake 13a of sound shielding cover 13 of the 1st sound-insulating member 2.Horizontal part 21 is posted by the horizontal part 13c of the sound shielding cover 13 of the 1st sound-insulating member 2 and the horizontal part 16c both sides of the sound shielding cover 16 of the 2nd sound-insulating member 3 from below.The upper end position of the upper end position of rising portion 22 and the abdominal part sound-absorbing pad 11a of the 1st sound-insulating member 2 is roughly equal.
Simultaneously as it is shown in figure 9, the 2nd fixing parts 6 have and insert horizontal part 31 below rail base Rb lower surface and the right part with horizontal part 31 conjointly arranges and be posted by the rising portion 32 of rake 16a of sound shielding cover 16 of the 2nd sound-insulating member 2.Horizontal part 31 is overlapping with the horizontal part 21 of the 1st fixing parts 5 from downside.The upper end position of the upper end position of rising portion 32 and the abdominal part sound-absorbing pad 14a of the 2nd sound-insulating member 3 is roughly equal.
Being provided with bending part 23 on the 1st fixing parts 5, this bending part 23 is located at the right part (end with rising portion opposition side) of horizontal part 21 and the movement of the fixing parts 5 (rising portion side) to the left of restriction the 1st.The upper end position of bending part 23 is below the height of rail base Rb.1st fixing parts 5 are configured from the left side of Fig. 7, now, below the height that upper end position is rail base Rb of bending part 23, so easily making the 1st fixing parts 5 mobile to the right side (inboard) of track R such that it is able to be easily configured operation.
Near the left part of the lower surface of the horizontal part 21 of the 1st fixing parts 5, it is provided with square and along with leveling off to right side and the protuberance of height reduction (the 1st protuberance) 24.On the horizontal part 31 of the 2nd fixing parts 6, it is provided with the square through hole (1st recess) 34 chimeric with the protuberance 24 of the 1st fixing parts 5.By the Qian He of these protuberances 24 with through hole 34, the 1st fixing fixing parts 6 of parts the 5 and the 2nd are can be fitted together in the way of dismounting.
In the right part of the horizontal part 21 of the 1st fixing parts 5, two edge along horizontal part 21 are provided with guide portion 25.Guide portion 25 is made up of the opposite wall 25a being located at 21 liang of edge of horizontal part with lower section standing shape, and the interval between opposite wall 25a is roughly equal with the horizontal part 31 of the 2nd fixing parts 6.Thus, when the horizontal part 21 of the 1st fixing parts 5 overlaps with the horizontal part 31 of the 2nd fixing parts 6, the horizontal part 31 of the 2nd fixing parts 6 is guided by the guide portion 25 of the 1st fixing parts 5, it is prevented that dislocation, and after coincidence, the horizontal part 31 movement along track length direction of parts 6 is fixed in restriction the 2nd.
On the horizontal part 21 of the 1st fixing parts 5, the buffer part 26 of horizontal part 13c, 16c of being provided with the sound shielding cover 13,16 crossing over two sound-insulating members 2,3 rubber abutted with it.It addition, the in the rising portion 22 of 1 fixing parts 5, it is provided with the buffer part 27 of the rubber that the top with the rake 13a of the sound shielding cover 13 of the 1st sound-insulating member 2 abuts.In the rising portion 32 of the 2nd fixing parts 6, it is provided with the buffer part 37 of the rubber that the top with the rake 16a of the sound shielding cover 16 of the 2nd sound-insulating member 2 abuts.
The sound arrester 1 of the track according to the 2nd embodiment, the 1st fixing parts 5 and the 2nd fixing parts 6 for fixing sound-insulating member 2,3 combine by being fitted together to, there is no need for the instrument that bolt is fixed or screw is fixing, therefore, it is possible to improve the workload of construction and numerous and diverse degree.In addition, in order to the 1st fixing parts the 5 and the 2nd are fixed parts 6 can be fitted together in the way of dismounting, it is not limited to the Qian He of the through hole (recess) 34 of the horizontal part 31 of the fixing parts 6 of protuberance the 24 and the 2nd of the horizontal part 21 of the 1st fixing parts 5, recess can also be set on the horizontal part 21 of the 1st fixing parts 5 and protuberance is set at the upper surface of the horizontal part 31 of the 2nd fixing parts 6, thus it is possible to vary the quantity of protuberance and through hole (recess) and shape.
Additionally, although bending part 23 and guide portion 25 are located on the 1st fixing parts 5, but the guide portion 25 of the 1st fixing parts 5 can also be removed and guide portion is located on the 2nd fixing parts 6, it is also possible to remove the guide portion 25 of the 1st fixing parts 5 and be also provided with bending part on the 2nd fixing parts 6.Additionally, also being able to is following structure: remove the Qian He of the through hole (recess) 34 of the horizontal part 31 of the fixing parts 6 of protuberance the 24 and the 2nd of the horizontal part 21 of the 1st fixing parts 5, only by the Qian He of the guide portion 25 of the 1st fixing parts 5 with the horizontal part 31 of the 2nd fixing parts 6, the 1st fixing parts 5 are made to be combined with the 2nd fixing parts 6.
In said structure, sound-absorbing pad 11,14 can be only made up of abdominal part sound-absorbing pad 11a, 14a, and in this case, sound shielding cover can be formed as the tabular being erected on rail web lateral upper end and rail base upper surface leading section.
In addition, in said structure, vibration-damping sheet 12,15 is by suppressing the vibration of sound shielding cover 13,16 to improve the parts of soundproof effect, even if being omitted, the sound-absorbing pad 11,14 arranged by being divided into abdominal part sound-absorbing pad 11a, 14a and bottom sound-absorbing pad 11b, 14b and the sound shielding cover 13,16 that they are covered, it is also possible to play excellent sound insulation value.
Figure 10 represents the reference example during sound arrester of the track simplifying above-mentioned embodiment.The sound arrester 10 of this track has: be installed on the 1st sound-insulating member 2 of the needs part on track R surface from left side (side of a side)；The 2nd sound-insulating member 3 of the needs part on track R surface it is installed on from right side (the opposing party's side)；With the fixture 70 for fixing two sound-insulating members 2,3.
Each sound-insulating member 2,3 is identical with above-mentioned embodiment, marks the accompanying drawing labelling identical with above-mentioned embodiment and the description thereof will be omitted.
As shown in figure 11, fixture 70 has: insert the horizontal part 71 below rail base Rb lower surface simultaneously；Conjointly arrange and be posted by the 1st rising portion 72 of the rake 13a of the sound shielding cover 13 of the 1st sound-insulating member 2 with the left part of horizontal part 71；And the 2nd rising portion 73 of the vertical component effect 16b of the sound shielding cover 16 of the 2nd sound-insulating member 3 is conjointly set with the right part of horizontal part 71 and is posted by.
Horizontal part 71 is posted by the horizontal part 13c of the sound shielding cover 13 of the 1st sound-insulating member 2 and the horizontal part 16c both sides of the sound shielding cover 16 of the 2nd sound-insulating member 3 from below.
The upper end position of the upper end position of the 1st rising portion 72 and the abdominal part sound-absorbing pad 11a of the 1st sound-insulating member 2 is roughly equal, below the height that upper end position is rail base Rb of the 2nd rising portion 73.Fixture 70 is configured from the left side of Figure 10, now, below the height that upper end position is rail base Rb of the 2nd rising portion 73, so easily making fixture 70 mobile to the right side (inboard) of track R such that it is able to be easily configured operation.
The buffer part 74 of horizontal part 13c, 16c of being provided with the sound shielding cover 13,16 crossing over two sound-insulating members 2,3 on horizontal part 71 rubber abutted with it, is provided with the buffer part 75 of the rubber that the top with the rake 13a of the sound shielding cover 13 of the 1st sound-insulating member 2 abuts in the 1st rising portion 72.
The sound arrester 10 of the track according to this reference example, needs two fixing parts 5,6,8,9 relatively with in above-mentioned 1st and the 2nd embodiment, it is possible to making fixture 70 is a sound-insulating member 2,3 fixing both sides.Now, it is not necessary to fix for bolt or instrument that screw is fixing, therefore, it is possible to improve the workload of construction and numerous and diverse degree.Further, since be not the structure being fixed by bolt in the side of track bottom lower surface, so becoming few than the track R part more stretched out, obstacle will not be become when railway maintenance.
Industrial applicibility
The sound arrester of the track according to the present invention, it is possible to reduce sound produced by track, further, it is possible to improve the workload of construction and numerous and diverse degree, hence helps to reduce the noise of railway.
Claims (10)
1. a sound arrester for track, has: the 1st sound-insulating member, and it has sound-absorbing pad and a sound shielding cover, and needs part from what the side of a side was installed on raceway surface；With the 2nd sound-insulating member, it has sound-absorbing pad and a sound shielding cover, and is installed on the part that needs of raceway surface and fixture from the side of the opposing party, and it is used for fixing two sound-insulating members, and the sound arrester of described track is characterised by,
Fixture includes the 1st fixing parts and the 2nd fixing parts, 1st fixing parts have the horizontal part inserted below rail base lower surface, and the rising portion of the sound shielding cover of the sound-insulating member of a side is conjointly set with the end of horizontal part and is posted by, 2nd fixing parts have the horizontal part below the horizontal part inserting the 1st fixing parts, and the rising portion of the sound shielding cover of the sound-insulating member of the opposing party is conjointly set with the end of horizontal part and is posted by, on the fixing parts of either one in the 1st fixing parts and the 2nd fixing parts, it is provided with at least one protuberance, on the fixing parts of the opposing party, it is provided with the recess chimeric with described protuberance, the horizontal part of the 1st fixing parts and the 2nd fixing parts coincides with one another and can be fitted together in the way of dismounting,
Being provided with bending part at least one party of the fixing parts of the 1st fixing parts and the 2nd, this bending part is located at horizontal part with rising portion opposition side end, and the fixing parts movement to rising portion side of restriction.
2. the sound arrester of track according to claim 1, it is characterised in that bending part is located on the 2nd fixing parts and abuts from the rising portion in outside with the 1st fixing parts.
3. the sound arrester of track according to claim 2, it is characterised in that the 1st protuberance at least one protuberance described is located on the lateral surface of the rising portion of the 1st fixing parts, is provided with 1st recess chimeric with the 1st protuberance on the bending part of the 2nd fixing parts.
4. the sound arrester of track according to claim 3, it is characterized in that, the 2nd protuberance at least one protuberance described is arranged in the way of the end with rising portion opposition side from the horizontal part of the 1st fixing parts highlights in the horizontal direction, and the second recesses chimeric with the 2nd protuberance is located at the bottom of the rising portion of the 2nd fixing parts.
5. the sound arrester of track according to claim 1, it is characterized in that, on the horizontal part of the fixing parts of either one that the 1st protuberance at least one protuberance described is located in the 1st fixing parts and the 2nd fixing parts, the horizontal part of the fixing parts of the opposing party is provided with 1st recess chimeric with the 1st protuberance.
6. the sound arrester of track according to claim 5, it is characterized in that, the horizontal part of either one in the 1st fixing parts and the 2nd fixing parts is provided with guide portion, this guide portion for guiding the horizontal part of the opposing party with the horizontal part of the opposing party when the horizontal part of one overlaps, and limits the horizontal part movement along track length direction of the opposing party after coincidence.
7. the sound arrester of track according to any one of claim 1 to 6, it is characterised in that sound shielding cover is formed as the tabular being erected on rail web lateral upper end and rail base upper surface leading section.
8. the sound arrester of track according to any one of claim 1 to 6, it is characterised in that sound shielding cover has: extend to the rake of rail base upper surface leading section from rail web lateral upper end；From the lower end of rake along the vertical component effect of rail base side；With the horizontal part that the lower end edge rail base lower surface from vertical component effect extends, sound-absorbing pad is located on rake and horizontal part both sides.
9. the sound arrester of track according to claim 8, it is characterised in that be provided with on the vertical component effect of sound shielding cover and prevent each fixing parts protuberance to the dislocation of orbital direction.
10. the installation method of the sound arrester of a track, its method for the sound arrester of the track of claim 4 is installed on track, the method is characterized in that, comprise the following steps: the horizontal part of the 1st fixing parts is inserted from the side of track the step arranging the 1st fixing parts below rail base lower surface；The horizontal part of the 2nd fixing parts is inserted below the horizontal part of the 1st fixing parts from the opposite side of track, so that the second recesses of the 2nd fixing parts is chimeric with the 2nd protuberance of the 1st fixing parts, and the 1st fixing parts horizontal part and the end of rising portion opposition side and the 2nd fixing parts rising portion side end between very close to each other and fix in the end and the 2nd of the rising portion side of the horizontal part of the 1st fixing parts parts horizontal part bending part side end between there is the mode in gap the 2nd step fixing parts be set；Use bar-shaped instrument, with the end side of instrument for fulcrum, with another side of instrument for force position, make the mid portion end abutment from downside with the bending part side of the horizontal part of the 2nd fixing parts of instrument, to force position effect power upward, thus eliminate the step in gap between the end of the end of the rising portion side of the horizontal part of the 1st fixing parts and the bending part side of the 2nd fixing parts.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011227622 | 2011-10-17 | ||
| JP2011227621 | 2011-10-17 | ||
| JP2011-227621 | 2011-10-17 | ||
| JP2011-227622 | 2011-10-17 | ||
| PCT/JP2012/075154 WO2013058082A1 (en) | 2011-10-17 | 2012-09-28 | Noise insulation device for rail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103998686A CN103998686A (en) | 2014-08-20 |
| CN103998686B true CN103998686B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280059517.7A Active CN103998686B (en) | 2011-10-17 | 2012-09-28 | The sound arrester of track |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2770107B1 (en) |
| JP (1) | JP5982390B2 (en) |
| KR (1) | KR101922754B1 (en) |
| CN (1) | CN103998686B (en) |
| WO (1) | WO2013058082A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343496B (en) * | 2013-07-10 | 2016-06-08 | 铁道第三勘察设计院集团有限公司 | A kind of track bump leveller |
| ES2703379T3 (en) * | 2014-05-14 | 2019-03-08 | Pregymix S R L | Acoustic attenuation device for rails |
| DE102018007317A1 (en) * | 2018-09-17 | 2020-03-19 | Alp Gmbh | Device for damping sound noises and absorbing vibrations of a railroad track |
| CN110258196B (en) * | 2019-06-06 | 2020-07-10 | 西南交通大学 | Vibration reduction protection device for rail crossing |
| CN113089389B (en) * | 2021-04-28 | 2022-08-09 | 广州希声轨道科技有限公司 | Steel rail vibration absorber device |
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| JP5185877B2 (en) * | 2009-04-03 | 2013-04-17 | 積水化学工業株式会社 | Rail soundproofing device |
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- 2012-09-28 JP JP2013539597A patent/JP5982390B2/en active Active
- 2012-09-28 WO PCT/JP2012/075154 patent/WO2013058082A1/en active Application Filing
- 2012-09-28 EP EP12841941.3A patent/EP2770107B1/en active Active
- 2012-09-28 CN CN201280059517.7A patent/CN103998686B/en active Active
- 2012-09-28 KR KR1020147013173A patent/KR101922754B1/en active IP Right Grant
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| US6402044B1 (en) * | 1997-02-03 | 2002-06-11 | Yugen Kaisha Koshinsha | Method of damping railroad noise and railroad noise damping members |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2770107A4 (en) | 2015-07-15 |
| WO2013058082A1 (en) | 2013-04-25 |
| KR101922754B1 (en) | 2018-11-27 |
| JPWO2013058082A1 (en) | 2015-04-02 |
| CN103998686A (en) | 2014-08-20 |
| JP5982390B2 (en) | 2016-08-31 |
| KR20140093683A (en) | 2014-07-28 |
| EP2770107B1 (en) | 2017-11-08 |
| EP2770107A1 (en) | 2014-08-27 |
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