CN114775341A - Combined shock pad for noise reduction of rail transit - Google Patents
Combined shock pad for noise reduction of rail transit Download PDFInfo
- Publication number
- CN114775341A CN114775341A CN202210405067.8A CN202210405067A CN114775341A CN 114775341 A CN114775341 A CN 114775341A CN 202210405067 A CN202210405067 A CN 202210405067A CN 114775341 A CN114775341 A CN 114775341A
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- pad
- wall
- noise reduction
- rail
- rod
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- 230000035939 shock Effects 0.000 title claims abstract description 41
- 230000009467 reduction Effects 0.000 title claims abstract description 26
- 239000000872 buffer Substances 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000003139 buffering effect Effects 0.000 claims abstract description 19
- 238000013016 damping Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 46
- 239000010959 steel Substances 0.000 abstract description 46
- 238000010521 absorption reaction Methods 0.000 abstract description 10
- 239000006185 dispersion Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 14
- 230000005489 elastic deformation Effects 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 5
- 230000007774 longterm Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/60—Rail fastenings making use of clamps or braces supporting the side of the rail
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention relates to the technical field of rail transit, and discloses a combined shock pad for noise reduction of rail transit, which comprises a pillow pad, a pad seat, a buffer bag, a steel rail and a buffer pad, wherein the top of the pad seat is movably connected with a shock absorption mechanism, the shock absorption mechanism comprises a neck supporting block, the side wall of the neck supporting block is movably hinged with a spring rod, the inner wall of the top of the pad seat is rotatably connected with a toothed pipe sleeved on the spring rod, the inner wall of the top of the pad seat is slidably connected with a telescopic abutting rod, and the left side and the right side of the inner wall of the pad seat are slidably inserted with toothed rods. This track traffic is fallen and make an uproar with combination shock pad through utilizing blotter, spring beam and flexible pole that supports, and the circulation dispersion of implementing the vibrations energy to rail top region absorbs, utilizes the joint mechanism to L type kelly and bolster, avoids the buffering bag plastic deformation to appear, utilizes abatvoix staggered movement to separate the absorption to vibrations sound wave to effectively prolonged the life of rail and guaranteed safety, the high-efficient noise reduction of traffic operation.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a combined shock pad for noise reduction of rail transit.
Background
Along with the increasing running speed of rail transportation vehicles, the impact shock force born by a corresponding steel rail for bearing the vehicles is also increased, if the shock energy of the steel rail can not be eliminated or weakened in time during the running of a train, certain stress damage can be caused to the steel rail, the conventional steel rail shock absorption is only carried out by using railway ballast, but the shock absorption effect is limited, the existing shock absorption mode is also carried out by adopting a bolster capable of vibrating and buffering up and down, but under the action of the whole pressure of the steel rail, a supporting mechanism for shock absorption is easy to generate plastic deformation to cause the non-specification sinking of the steel rail, and as the steel rail is contacted with a wheel part of the train, the shock impact energy is directly acted on the top of the steel rail, although the top area of the steel rail allows the elastic deformation in a corresponding range, the steel rail directly transmits the acting force of larger force for a long time, the material of the steel rail is easy to generate stress damage, in addition, noise caused by the vehicle running is generated along with the vibration force, and when the vibration force eliminating effect is poor, the noise is difficult to reduce.
Disclosure of Invention
In order to solve the problems that the service life of a steel rail is short, the traffic operation safety is difficult to ensure and the noise is difficult to reduce in the using process of the general combined shock pad for noise reduction of rail transit, and achieve the purposes of effectively prolonging the service life of the steel rail, ensuring the traffic operation safety and efficiently reducing the noise, the combined shock pad for noise reduction of rail transit is realized by the following technical scheme: the utility model provides a rail transit falls makes an uproar with combination shock pad, includes bolster, base, buffering bag, rail, blotter, base top swing joint has damper, damper includes the neck bracer, neck bracer lateral wall activity articulates there is the spring beam, base top inner wall rotates to be connected with and cup joints the pipe gear on the spring beam, base top inner wall sliding connection has flexible pole of supporting, the equal sliding plug in base inner wall left and right sides has the ratch, the base bottom is close to one side sliding connection of ratch has the briquetting, base bottom center rotates and is connected with the adjusting collar, the adjusting collar with swing joint has the hinge bar between the briquetting, the equal meshing in both sides is connected with L type kelly around the adjusting collar inner chamber.
Furthermore, the pillow surface slides and is inserted with a cushion seat, a buffer bag is fixedly connected between the cushion seat and the lower wall of the inner cavity of the pillow, the surface of the cushion seat is fixedly connected with a steel rail, and a buffer pad is fixedly connected between the steel rail and the inner wall of the cushion seat.
Furthermore, the neck brace block with sliding connection between the base upper wall, fixedly connected with covers the bag between neck brace block and the base to when making the neck brace block receive rail neck elastic deformation extrusion, can move outward automatically and avoid the position, and cover the utilization of bag and guaranteed the stable operational environment of damper seal.
Furthermore, the spring rod is movably clamped with the telescopic abutting rod, so that when the spring rod deflects and buffers under the limitation of the toothed pipe, the telescopic abutting rod can synchronously limit the deflection mechanism to further buffer.
Furthermore, one side of the telescopic abutting rod, which is far away from the spring rod, comprises an expansion part for increasing the contact area with the buffer cushion, so that when an operating vehicle drives through the steel rail to cause impact shock, the spring rod can be matched with the telescopic abutting rod and the buffer cushion to disperse and absorb shock energy circulation, and the steel rail is prevented from being seriously deformed.
Further, adjusting collar peripheral fixed cup joint with the torsional spring subassembly that the cushion seat is connected, L type kelly with sliding connection between the cushion seat inner wall, before the bolster inner chamber back wall all seted up with the draw-in groove that L type kelly corresponds, L type kelly is close to the one end edge of draw-in groove is seted up inclined plane, and initial L type kelly docks with the draw-in groove to when making the rail not bear pressure, the rail can obtain effectual support with the cushion seat, and then avoided the cushion bag to be stressed for a long time and appear plastic deformation, and when reseing after the cushion seat vibration, under the effect of torsional spring subassembly, the inclined plane of L type kelly terminal surface edge can assist the cushion seat to reset completely, and appear faint plastic deformation to the cushion bag, play the repairing effect.
Further, still include and fall the mechanism of making an uproar, fall the mechanism of making an uproar swing joint in the inner chamber bottom of bolster, fall the mechanism of making an uproar and include the pneumatic tube, pneumatic tube inner wall sliding connection has the sliding plug, the sliding plug is kept away from the one end fixedly connected with abatvoix of buffering bag, the arc groove has all been seted up to one side of neighbouring face between the abatvoix.
Furthermore, the pneumatic tube is communicated with the buffering bag through a guide tube, so that when the buffering bag is used for buffering and damping the steel rail in the vertical direction, the reciprocating deformation of the buffering bag can enable the sliding plug to drive the sound-absorbing boards on two sides to move in a staggered mode through pressure, and noise can be continuously absorbed.
Compared with the prior art, the invention has the following beneficial effects:
1. the combined shock pad for noise reduction in rail transit absorbs the whole impact shock energy of a steel rail by using the buffer pad, when the top of the steel rail is subjected to elastic deformation caused by vertical rolling, neck support blocks on two sides can move back to back under pressure, the spring rod and the telescopic abutting rod are matched to buffer and absorb the shock energy step by step and apply pressure to the buffer pad reversely, so that the shock energy can be circularly dispersed and absorbed, the steel rail is prevented from serious deformation, the steel rail and the bolster can be effectively supported due to the clamping connection between the initial L-shaped clamp rod and the inner wall of the bolster, the buffer bag is prevented from being subjected to plastic deformation after being pressed for a long time, the tooth rod is driven by the tooth pipe to be meshed and downwards, the clamping connection between the L-shaped clamp rod and the inner wall of the bolster can be released, the bolster can buffer the impact shock force in the vertical direction, and a road section is obliquely arranged on the steel rail in a mode that the tooth rod is movably abutted against the press block, after the single side of the top of the steel rail is stressed and deformed, the limitation of up-down movement of the cushion seat can be removed, so that the service life of the steel rail is effectively prolonged, and the safety of traffic operation is guaranteed.
2. This track traffic is fallen and is fallen with combination shock pad for noise, when the reciprocal deformation of buffering bag through both sides, the abatvoix of upper and lower both sides can be driven reciprocating motion under the sliding plug receives the pressure effect, the upper and lower both sides abatvoix that corresponds constantly staggered movement, the continuous butt joint in the arc groove and the dislocation of its inboard, this is when just making each arc groove dislocation from top to bottom, can make the vibrations sound wave of outside conduction get into the arc groove depths fast, during each arc groove butt joint from top to bottom, the vibrations sound wave can be separated by the inside different regions of abatvoix and consume, thereby the effect of high-efficient noise reduction has been reached.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a right side sectional view of the connecting portion of the adjusting sleeve of the present invention;
FIG. 4 is a front cross-sectional view of the spring rod attachment portion of the present invention;
FIG. 5 is a front sectional view of a connecting portion of a compact of the present invention;
fig. 6 is a front sectional view of the attachment portion of the sound-absorbing panel of the present invention.
In the figure: 1. a pillow pad; 2. a pad seat; 3. a buffer bag; 4. a steel rail; 5. a cushion pad; 6. a damping mechanism; 61. a neck brace; 62. a spring lever; 63. a toothed tube; 64. a telescopic support rod; 65. a rack bar; 66. briquetting; 67. an adjusting sleeve; 68. a hinge rod; 69. an L-shaped clamping rod; 7. a noise reduction mechanism; 71. a pneumatic tube; 72. a sliding plug; 73. a sound-absorbing panel; 74. an arc groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the combined shock pad for noise reduction of rail transit is as follows:
referring to fig. 1-6, a combined shock pad for noise reduction in rail transit comprises a pillow pad 1, a pad seat 2, a buffer bag 3, a steel rail 4 and a buffer pad 5, wherein the pad seat 2 is inserted in the surface of the pillow pad 1 in a sliding manner, the buffer bag 3 is fixedly connected between the pad seat 2 and the lower wall of an inner cavity of the pillow pad 1, the steel rail 4 is fixedly connected to the surface of the pad seat 2, the buffer pad 5 is fixedly connected between the steel rail 4 and the inner wall of the pad seat 2, the shock absorbing mechanism 6 is movably connected to the top of the pad seat 2 and comprises a neck supporting block 61, the neck supporting block 61 is slidably connected to the upper wall of the pad seat 2, and a covering bag is fixedly connected between the neck supporting block 61 and the pad seat 2, so that when the neck supporting block 61 is extruded by elastic deformation of the steel rail 4, the cushion can automatically move outwards to avoid the position, and the use of the covering bag ensures a stable working environment for sealing the shock absorbing mechanism 6.
The equal slip grafting in the 2 inner wall left and right sides of base of a mattress has ratch 65, and ratch 65 is connected with the meshing between the gear pipe 63, and one side sliding connection that 2 bottoms of base of a mattress are close to ratch 65 has briquetting 66, and 2 bottoms of base of a mattress center rotate and are connected with adjusting collar 67, and the peripheral fixed cover of adjusting collar 67 has connect the torsional spring subassembly of being connected with base of a mattress 2 to be convenient for adjusting collar 67 receives torsional force and relieve the back, it can drive base of a mattress 2 automatically and reset.
Swing joint has hinge pole 68 between adjusting collar 67 and briquetting 66, both sides all mesh around the adjusting collar 67 inner chamber and are connected with L type kelly 69, sliding connection between L type kelly 69 and the 2 inner walls of base of a mattress, the draw-in groove that corresponds with L type kelly 69 is all seted up to pillow 1 inner chamber front and back wall, the one end edge that L type kelly 69 is close to the draw-in groove is seted up inclined plane, initial L type kelly 69 and draw-in groove butt joint, thereby when making rail 4 not bear pressure, rail 4 can obtain effectual support with base of a mattress 2, and then avoided buffer bag 3 long-term pressurized plastic deformation to appear, and when reseing after base 2 vibrations, under the effect of the peripheral torsional spring subassembly of adjusting collar 67, the inclined plane at L type kelly 69 terminal surface edge can assist base of a mattress 2 to restore to 2 weak plastic deformation appears, play the repairing effect.
By utilizing the buffer cushion 5 to absorb the whole impact vibration energy of the steel rail 4, when the top of the steel rail 4 is subjected to elastic deformation caused by vertical rolling, the neck support blocks 61 at two sides can move in a backward direction under pressure, the spring rod 62 and the telescopic support rod 64 are matched to buffer and absorb the vibration energy step by step, and the buffer cushion 5 is reversely pressed, so that the vibration energy can be circularly dispersed and absorbed, the steel rail 4 is prevented from serious deformation, because the initial L-shaped clamping rod 69 is clamped with the inner wall of the pillow cushion 1, the steel rail 4 and the cushion seat 2 can be effectively supported, the buffer bag 3 is prevented from being subjected to plastic deformation under long-term pressure, the toothed pipe 63 is utilized to drive the toothed rod 65 to be meshed and downwards moved, the clamping connection between the L-shaped clamping rod 69 and the inner wall of the pillow cushion 1 can be released, the cushion seat 2 can buffer the impact vibration force in the vertical direction, and the toothed rod 65 is movably abutted to the pressing block 66, in the road section with the obliquely arranged steel rail 4, after the top of the steel rail 4 is stressed and deformed, the limitation of up-and-down movement of the cushion seat 2 can be relieved, so that the design effectively prolongs the service life of the steel rail 4 and ensures the safety of traffic operation.
When the buffering bag 3 through both sides is reciprocal deformation, the abatvoix 73 of upper and lower both sides can be driven reciprocating motion under the effect of sliding plug 72 pressurized, the abatvoix 73 of corresponding upper and lower both sides constantly staggered movement, the continuous butt joint of its inboard arc groove 74 and dislocation, this is when just making each arc groove 74 dislocation from top to bottom, can make the vibrations sound wave of outside conduction get into arc groove 74 depths fast, when each arc groove 74 docks from top to bottom, the vibrations sound wave can be separated by the inside different regions of abatvoix 73 and consume, thereby the effect of high-efficient noise reduction has been reached.
The working principle is as follows: when the shock absorber is used, the buffer cushion 5 is attached to the outer side of the steel rail 4, impact and vibration energy caused by passing of a vehicle is preferentially absorbed by the buffer cushion, and when the top of the steel rail 4 is rolled, elastic deformation with corresponding amplitude can occur, so that the neck support blocks 61 on two sides can move in a reverse direction under pressure, the spring rod 62 is compressed in the toothed pipe 63 to perform vibration buffering, the synchronous spring rod 62 is compressed and deflected under the limitation of the toothed pipe 63 and exerts force on the telescopic abutting rod 64, the telescopic abutting rod 64 is contracted to further absorb the vibration energy, the expansion part of the telescopic abutting rod 64 can reversely exert pressure on the buffer cushion 5, the top of the steel rail 4 is subjected to multidirectional reaction force, the cyclic dispersion and absorption of the vibration energy are realized, the serious deformation of the steel rail 4 is avoided, and the initial L-shaped clamping rod 69 is clamped with the clamping groove on the inner wall of the bolster 1, therefore, the steel rail 4 and the cushion seat 2 can be effectively supported, the plastic deformation of the buffer bag 3 caused by long-term pressure is avoided, during the deflection of the toothed pipe 63, the toothed rod 65 can be driven to be meshed with and move downwards, the hinged rod 68 can drive the adjusting sleeve 67 to deflect clockwise by the lower pressure pressing block 66, the L-shaped clamping rods 69 on the front side and the rear side are adjusted to retract so as to release the clamping connection with the inner wall of the pillow 1, the cushion seat 2 can be matched with the buffer bag 3 to buffer the impact vibration force in the vertical direction, in addition, in the way that the toothed rod 65 is movably abutted with the pressing block 66, in the road section with the inclined arrangement of the steel rail 4, after the single side of the top of the steel rail 4 is stressed and deformed, the limitation of the up-down movement of the cushion seat 2 can also be released, the design effectively prolongs the service life of the steel rail 4 and ensures the safety of traffic operation, in addition, when the buffer bags 3 on both sides are deformed in a reciprocating manner, the sliding plugs 72 in the air pressure pipes 71 on both sides are respectively under the action of pressure, the corresponding acoustic boards 73 are driven to reciprocate left and right, the acoustic boards 73 on the upper side and the lower side are driven to move continuously in a staggered manner, the arc grooves 74 on the inner sides of the acoustic boards are continuously butted and dislocated, so that when the upper arc groove 74 and the lower arc groove 74 are dislocated, vibration sound waves conducted outside can quickly enter the depths of the arc grooves 74, and when the upper arc groove 74 and the lower arc groove 74 are butted, the vibration sound waves can be sealed and separated by different areas inside the acoustic boards 73, so that the effect of efficiently reducing noise is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a rail transit falls makes an uproar with combination shock pad, includes bolster (1), base (2), cushion bag (3), rail (4), blotter (5), its characterized in that: the top of the cushion seat (2) is movably connected with a damping mechanism (6), the damping mechanism (6) comprises a neck bracing block (61), the side wall of the neck support block (61) is movably hinged with a spring rod (62), the inner wall of the top of the cushion seat (2) is rotatably connected with a gear pipe (63) sleeved on the spring rod (62), the inner wall of the top of the pad seat (2) is connected with a telescopic abutting rod (64) in a sliding way, the left side and the right side of the inner wall of the pad seat (2) are inserted with toothed bars (65) in a sliding way, one side of the bottom of the cushion seat (2) close to the toothed bar (65) is connected with a pressing block (66) in a sliding way, the center of the bottom of the cushion seat (2) is rotatably connected with an adjusting sleeve (67), a hinge rod (68) is movably connected between the adjusting sleeve (67) and the pressing block (66), the front side and the rear side of the inner cavity of the adjusting sleeve (67) are respectively connected with an L-shaped clamping rod (69) in a meshed manner.
2. The combined shock pad for noise reduction of rail transit according to claim 1, wherein: pillow (1) surface slip grafting has base of a mattress (2), base of a mattress (2) with fixedly connected with cushion bag (3) between the inner chamber lower wall of pillow (1), base of a mattress (2) fixed surface is connected with rail (4), rail (4) with fixedly connected with blotter (5) between base of a mattress (2) inner wall.
3. The combined shock pad for noise reduction in rail transit as claimed in claim 1, wherein: the neck brace piece (61) with sliding connection between base of pad (2) upper wall, fixedly connected with covers the bag between neck brace piece (61) and base of pad (2).
4. The combined shock pad for noise reduction in rail transit as claimed in claim 1, wherein: the spring rod (62) is movably clamped with the telescopic abutting rod (64).
5. The combined shock pad for noise reduction of rail transit according to claim 1, wherein: the side of the telescopic abutting rod (64) far away from the spring rod (62) comprises an expansion part used for increasing the contact area with the buffer pad (5).
6. The combined shock pad for noise reduction of rail transit according to claim 1, wherein: the periphery of the adjusting sleeve (67) is fixedly sleeved with a torsion spring assembly connected with the cushion seat (2).
7. The combined shock pad for noise reduction of rail transit according to claim 1, wherein: the pillow is characterized in that the L-shaped clamping rod (69) is connected with the inner wall of the cushion seat (2) in a sliding mode, clamping grooves corresponding to the L-shaped clamping rod (69) are formed in the front wall and the rear wall of the inner cavity of the pillow (1), and an inclined plane is formed in the edge of one end, close to the clamping grooves, of the L-shaped clamping rod (69).
8. The combined shock pad for noise reduction of rail transit according to claim 1, wherein: still include noise reduction mechanism (7), noise reduction mechanism (7) swing joint is in the inner chamber bottom of bolster (1), noise reduction mechanism (7) include pneumatic tube (71), pneumatic tube (71) inner wall sliding connection has sliding plug (72), sliding plug (72) are kept away from the one end fixedly connected with abatvoix (73) of buffering bag (3), arc groove (74) have all been seted up to one side of neighbouring face between abatvoix (73).
9. The combined shock pad for noise reduction of rail transit according to claim 7, wherein: the air pressure pipe (71) is communicated with the buffer bag (3) through a guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210405067.8A CN114775341A (en) | 2022-04-18 | 2022-04-18 | Combined shock pad for noise reduction of rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210405067.8A CN114775341A (en) | 2022-04-18 | 2022-04-18 | Combined shock pad for noise reduction of rail transit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114775341A true CN114775341A (en) | 2022-07-22 |
Family
ID=82430702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210405067.8A Pending CN114775341A (en) | 2022-04-18 | 2022-04-18 | Combined shock pad for noise reduction of rail transit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114775341A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116927003A (en) * | 2023-09-01 | 2023-10-24 | 中铁一局集团有限公司 | Rail temperature telescopic regulator and paving and installing method |
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| CN103088724A (en) * | 2011-10-29 | 2013-05-08 | 青岛科而泰环境控制技术有限公司 | Rail fixing device with function of vertical guidance |
| CN103088723A (en) * | 2011-10-29 | 2013-05-08 | 青岛科而泰环境控制技术有限公司 | Elastic rail fixing device |
| CN203625728U (en) * | 2013-11-15 | 2014-06-04 | 青岛科而泰环境控制技术有限公司 | Anti-deflection elastic fastener |
| CN208455474U (en) * | 2018-06-14 | 2019-02-01 | 上海勇通市政工程维护有限公司 | A kind of municipal works bridge protection device |
| WO2020238798A1 (en) * | 2019-05-24 | 2020-12-03 | 青岛科而泰环境控制技术有限公司 | Combined steel rail noise reduction and sound absorption device |
| CN213867108U (en) * | 2020-11-05 | 2021-08-03 | 黑龙江八一农垦大学 | Shock isolation device for rail transit |
| CN215104312U (en) * | 2020-12-18 | 2021-12-10 | 武义县晨光汽配制造有限公司 | A vibration/noise reduction device for rail interface |
| CN215925454U (en) * | 2021-10-11 | 2022-03-01 | 张国标 | Noise-reducing and shock-absorbing device for subway rail |
-
2022
- 2022-04-18 CN CN202210405067.8A patent/CN114775341A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088724A (en) * | 2011-10-29 | 2013-05-08 | 青岛科而泰环境控制技术有限公司 | Rail fixing device with function of vertical guidance |
| CN103088723A (en) * | 2011-10-29 | 2013-05-08 | 青岛科而泰环境控制技术有限公司 | Elastic rail fixing device |
| CN203625728U (en) * | 2013-11-15 | 2014-06-04 | 青岛科而泰环境控制技术有限公司 | Anti-deflection elastic fastener |
| CN208455474U (en) * | 2018-06-14 | 2019-02-01 | 上海勇通市政工程维护有限公司 | A kind of municipal works bridge protection device |
| WO2020238798A1 (en) * | 2019-05-24 | 2020-12-03 | 青岛科而泰环境控制技术有限公司 | Combined steel rail noise reduction and sound absorption device |
| CN213867108U (en) * | 2020-11-05 | 2021-08-03 | 黑龙江八一农垦大学 | Shock isolation device for rail transit |
| CN215104312U (en) * | 2020-12-18 | 2021-12-10 | 武义县晨光汽配制造有限公司 | A vibration/noise reduction device for rail interface |
| CN215925454U (en) * | 2021-10-11 | 2022-03-01 | 张国标 | Noise-reducing and shock-absorbing device for subway rail |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116927003A (en) * | 2023-09-01 | 2023-10-24 | 中铁一局集团有限公司 | Rail temperature telescopic regulator and paving and installing method |
| CN116927003B (en) * | 2023-09-01 | 2024-02-23 | 中铁一局集团有限公司 | Rail temperature telescopic regulator and paving and installing method |
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