CN109930434A - A kind of mass block arch clamping device for track vibration-reducing - Google Patents
A kind of mass block arch clamping device for track vibration-reducing Download PDFInfo
- Publication number
- CN109930434A CN109930434A CN201910276544.3A CN201910276544A CN109930434A CN 109930434 A CN109930434 A CN 109930434A CN 201910276544 A CN201910276544 A CN 201910276544A CN 109930434 A CN109930434 A CN 109930434A
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- elastomer
- track
- fixture
- leaf spring
- steel member
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 70
- 239000010959 steel Substances 0.000 claims abstract description 70
- 229920001971 elastomer Polymers 0.000 claims abstract description 53
- 239000000806 elastomer Substances 0.000 claims abstract description 49
- 239000010935 stainless steel Substances 0.000 claims abstract description 33
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 33
- 241001669679 Eleotris Species 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000013016 damping Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 230000001603 reducing effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The present invention discloses a kind of mass block arch clamping device for track vibration-reducing, it includes being set to track two sides: tightened-up structure, fixture, Novel leaf spring, elastomer-steel member assembly, the elastomer of bracket and package track, track, which is covered in, by elastomer absorbs track vibration energy, slow down the body vibration of track and the vibration of two side directions, slow down train to the vibratory impulse of track, the pressure adjusted between tightened-up structure and leaf spring is rotated and moved up and down relative to stainless steel fixture by tightened-up structure, elastomer-steel member assembly increases track structure and damps and adjust its vibration frequency to main structure frequency, change mesomerism characteristic, to reach damping effect；The device can substantially reduce the energy of wheel and track transmitting, prevent the generation of vibration, improve the service life of wheel and track, advantageously reduce railway use cost, noise pollution is reduced, present invention replacement, convenient disassembly have very strong practical value and application prospect.
Description
Technical field
The present invention relates to vibration and noise reducing device technical fields, in particular to a kind of mass block for track vibration-reducing
Arch clamping device.
Background technique
Since railway traffic development, the contact movement of wheel and track, always along with the generation of impact energy, from
And it is generated vibration it is just inevitable, cause environmental pollution, to people life bring great noise pollution.Traditional
Vibration and noise reducing method is that rubber pad is placed in sleeper in the following, however the effect of vibration and noise reduction that rises of rubber pad is bad, and rubber pad
Service life is ofer short duration, and replacement is just more troublesome, and with the continuous development of science and technology, high-speed rail speed is getting faster, and generates
Vibration and noise is also increasing, and rubber pad can no longer meet current damping requirements.
Therefore new oscillation damping method how is found, designs a novel damping device, it is dirty greatly to reduce noise bring
Dye is that we have to the major issue solved at present, simultaneously as device laying amount is big, Structure of need is simple, produces
Product at low cost.
Summary of the invention
The purpose of the present invention is to provide a kind of mass block arch clamping devices for track vibration-reducing, are able to solve
Problem is stated, a kind of good damping result, environment amenable rail traffic vibration absorber are provided；Wheel and rail can be substantially reduced
The energy of road transmitting, prevents the generation of vibration and noise, substantially increases the service life of wheel and track, advantageously reduce iron
Road use cost, reduces noise pollution, and present invention replacement, convenient disassembly have very strong practical value and application prospect.
The embodiment of the present invention is achieved in that
A kind of mass block arch clamping device for track vibration-reducing comprising be set to track two sides: tightened-up structure,
Fixture, Novel leaf spring, elastomer-steel member assembly, bracket and the elastomer for wrapping up track, elastomer, which pastes, to be arranged in track
Middle and lower part, be concaved with installation elastomer-steel member assembly case slot at the top of bracket, the bottom of bracket is by elastomer
Elastomer-steel member assembly is pressed in case slot by package, Novel leaf spring, and fixture is arched and frame bottom is close to press from both sides by bottom end
Tightly, the top of fixture is provided with jack, and tightened-up structure is inserted into jack and can be rotated relative to fixture, and the bottom of tightened-up structure compresses
Novel leaf spring, tightened-up structure is by rotating the pressure increasedd or decreased to Novel leaf spring.
In preferred embodiments of the present invention, above-mentioned tightened-up structure includes screwing lead screw, disk body and screwing bar, screws lead screw
It is connected at the top of disk body, screws lead screw diameter less than disk body diameter, disk body bottom is pushed down at the top of Novel leaf spring, and the top of lead screw is screwed
End is provided with the pin hole that bar is screwed for being inserted into, and screws lead screw rotation by screwing bar drive.
In preferred embodiments of the present invention, the top of above-mentioned fixture is provided with tool internal thread ring cylinder, screws silk
The external screw thread for being provided in the middle part of thick stick and matching on the inside of ring cylinder, screws lead screw by matching relatively with the screw thread on fixture top
It can move up and down and rotate in fixture.
In preferred embodiments of the present invention, the top of above-mentioned fixture is provided with multiple ring cylinders or fixture be provided with it is more
It is a, it is spaced apart from each other and is independent of each other between multiple ring cylinders or between multiple fixtures, elastomer-steel member assembly passes through multiple
Rotational structure compresses；The mutual distance of multiple ring cylinders and the mutual distance of multiple fixtures, cannot influence each rotation
The mutual movement between bottom disc into lead screw by screwing drive.
In preferred embodiments of the present invention, above-mentioned Novel leaf spring includes bowed leaf spring, the steel plate of long plate shape and locking
The both ends of part, leaf spring and steel plate are respectively arranged with locking hole, and leaf spring and steel plate are fixed to each other by locking member by locking hole, steel plate
Bottom push down elastomer-steel member assembly.
In preferred embodiments of the present invention, above-mentioned elastomer-steel member assembly includes elastomer layer and steel member layer,
Elastomer layer and steel member layer be spaced apart from each other overlap and the bottom of case slot be equipped with one layer of elastomer layer, every layer of elastomer
The edge of layer and the inside of case slot are in close contact.
In preferred embodiments of the present invention, the thickness of above-mentioned composite steel components layer is different, multilayer elastomeric layer and steel structure
Part layer is spaced apart from each other the height that the height being mutually is less than case slot.
In preferred embodiments of the present invention, an end face of the direction along ng a path of above-mentioned bracket and top surface are provided with for putting
Enter elastomer-steel member assembly opening, the length of the direction along ng a path of bracket is less than or equal to the spacing between sleeper.
In preferred embodiments of the present invention, above-mentioned fixture is stainless steel fixture made of stainless steel material, stainless steel clamp
The height for having and screwing lead screw is less than at the top edge of track the distance between to ground；It screws lead screw and is fixed on stainless steel clamp
After tool, height cannot influence vehicle normal operation.
In preferred embodiments of the present invention, the length of above-mentioned elastomer, bracket and fixture is respectively smaller than between sleeper
Spacing.
The beneficial effects of the present invention are:
The present invention is covered in track by elastomer, slows down train to the vibratory impulse of track, passes through the disk of tightened-up structure
Leaf spring is stuck in elastomer-steel member assembly top by body, by stainless steel fixture and tightened-up structure by leaf spring and elastomer-
Steel member assembly clamping is rotated relative to stainless steel fixture by tightened-up structure and moves up and down and adjust tightened-up structure and plate
Pressure between spring absorbs track vibration energy, slows down the entirety of track by elastomer and elastomer-steel member assembly
The vibration of vibration and two side directions；And elastomer-steel member assembly can mainly increase track structure and damp and be shaken
Dynamic frequency is adjusted to main structure frequency, changes mesomerism characteristic, to reach vibration and noise reducing effect.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range.
Fig. 1 is structural schematic diagram of the present invention for the mass block arch clamping device of track vibration-reducing；
Fig. 2 is the schematic diagram of top view cross section of the present invention；
Fig. 3 is bracket main view profile of the present invention；
Fig. 4 is the right view profile of elastomer of the present invention-steel member assembly；
Fig. 5 is leaf spring main view profile of the present invention；
Fig. 6 is leaf spring top view cross section enlarged drawing of the present invention；
Fig. 7 is stainless steel fixture main view profile of the present invention；
Fig. 8 is stainless steel fixture top perspective view of the present invention；
Fig. 9 is tightened-up structure main view enlarged cross-sectional view of the present invention；
Figure 10 is tightened-up structure main view enlarged cross-sectional view of the present invention；
Icon: 1, track；2, tightened-up structure；3, stainless steel fixture；4, Novel leaf spring；5, elastomer-steel member assembly；
5-1, elastomer layer；5-2, steel member layer；6, bracket；7, elastomer；A, the vertical linkage section of stainless steel fixture；B, bracket vertically connects
Connect section；C, stainless steel fixture lateral connection section；D, bracket lateral connection section.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
First embodiment
Fig. 1 is please referred to, the present embodiment provides a kind of mass block arch clamping devices for track vibration-reducing comprising setting
In 1 two sides of track: tightened-up structure 2, fixture, Novel leaf spring 4, elastomer-steel member assembly 5, bracket 6 and package track 1
Elastomer 7, wherein fixture is stainless steel fixture 3, and track 1 is unilateral rail for traffic, and tightened-up structure 2 includes screwing silk
Thick stick, disk body and bar is screwed, Novel leaf spring 4 includes the steel plate and locking member of bowed leaf spring, long plate shape, elastomer-steel member group
Zoarium 5 includes elastomer layer 5-1 and steel member layer 5-2, and tightened-up structure 2 is mounted on stainless steel fixture 3, stainless steel fixture 3 and branch
Frame 6 connects, and bracket 6 wraps up elastomer 7, and elastomer 7 is covered in track 1, and elastomer-steel member assembly 5 is mounted on bracket 6
In the case slot of opening, Novel leaf spring 4 is pressed in 5 top of elastomer-steel member assembly by way of rotation by tightened-up structure 2,
The apparatus function is similar to the vibration and noise reducing device of spring-mass damping system, makes the elastomer 7 being in close contact with track 1
Vibrational energy is absorbed, 1 structural damping of track is increased by elastomer-steel member assembly 5, the device is by its vibration frequency tune
It is whole near main structure frequency, change mesomerism characteristic, haved the function that vibration and noise reducing；Meanwhile the structure letter of the device
It is single, it is easy for installation, it is conveniently replaceable and dismantles.
Referring to figure 2., Fig. 3 and Fig. 4, elastomer 7 closely paste the middle and lower part that track 1 is arranged in, and the bottom of bracket 6 is by bullet
Property body 7 wrap up, elastomer 7 is sleeved on the middle and lower part of track 1 by when use, 6 sets of bracket outside elastomer 7, the bottom of bracket 6 with
In the outside of elastomer 7 is mutually matched and is wrapped in elastomer 7, bracket 6 is symmetrically disposed in the two sides of track 1, bracket 6
Bottom is one layer and is sleeved on outside elastomer 7 and is wrapped up, and presents and the identical structure in 1 lower part of track point；Bracket 6 is one
Whole, elastomer 7 is an entirety, bracket 6 and elastomer 7 be respectively provided with vertical linkage section and lateral connection section or bracket 6 with
Elastomer 7 only has vertical linkage section, and the bracket 6 and elastomer 7 of the present embodiment have vertical linkage section and lateral connection section, branch
Case slot on frame 6 is provided with along 1 direction of track for being put into elastomer-steel member assembly 5 opening, and the case slot of bracket 6
Top is also opening, and the length along 1 direction of track of bracket 6 is less than or equal to the spacing between sleeper, elastomer 7 and fixture
Length is respectively smaller than the spacing between sleeper；The top of bracket 6 cabinet in long strip, with 6 sets of bracket outside elastomer 7
Structure links into an integrated entity, and the top of bracket 6 is concaved with installation elastomer-steel member assembly 5 case slot, elastomer-steel
Component groups zoarium 5 is placed in case slot, and case slot is that the top of bracket 6 sets to the concave to be formed, wherein case slot has the one of bracket 6
The opening at 6 top of opening and bracket at end, the opening of 6 one end of bracket are convenient for elastomer-steel member assembly 5 being inserted into case slot
Interior, the opening at 6 top of bracket compresses elastomer-steel member assembly 5 top for Novel leaf spring 4；
Referring to figure 3. and Fig. 7, the bottom of bracket 6 have bracket lateral connection section d, and bracket lateral connection section d is positioned at rail
The bottom of the bracket 6 of 1 side of road, the package section that the bottom of bracket 6 is located at surface under track 1 is the vertical linkage section b of bracket,
The bottom of stainless steel fixture 3 is L-shaped and has positioned at the vertical vertical linkage section a of stainless steel fixture, positioned at lateral stainless steel
Fixture lateral connection section c, the bracket lateral connection bottom section d and closely pastes, bracket at the top of stainless steel fixture lateral connection section c
It is closely pasted on the outside of vertical linkage section b and on the inside of the vertical linkage section a of stainless steel fixture.
Referring to figure 4., elastomer-steel member assembly 5 is placed in case slot, elastomer-steel member assembly 5 top
It is compressed by a rotational structure, elastomer-steel member assembly 5 height is less than the height of case slot, elastomer-steel member group
Zoarium 5 includes elastomer layer 5-1 and steel member layer 5-2, elastomer layer 5-1 and steel member layer 5-2 be spaced apart from each other overlap and
The bottom of case slot is equipped with one layer of elastomer layer 5-1, and the thickness of composite steel components layer 5-2 is different, is equipped with five layers of elastomer layer 5-1 altogether
It is spaced apart from each other mutually integrally with four layers of steel member layer 5-2, four layers of steel member layer 5-2 and five layers of elastomer layer 5-1, is highly less than case
The height of slot.
Referring to figure 5. and Fig. 6, Novel leaf spring 4 include the steel plate and locking member of bowed leaf spring, long plate shape, the locking member
For bolt, leaf spring is the prior art, is the plate-shaped springs as made of the spring steel stack combinations of at least two panels, leaf spring and steel plate
Both ends are respectively arranged with locking hole, and leaf spring and steel plate are fixed to each other by bolt by locking hole, and elastomer is pushed down in the bottom of steel plate
Layer 5-1.
Fig. 7 and Fig. 8 are please referred to, stainless steel fixture 3 is arched, and the height of stainless steel fixture 3 is less than the top edge of track 1
The distance between place to ground, top is L-shaped, and bottom end is L-shaped, and the top of stainless steel fixture 3 connects to form bow with bottom end
Shape, the end on 3 top of stainless steel fixture are provided with multiple ring cylinders, and the present embodiment is provided with a ring cylinder, and ring cylinder has
It is connected to its jack for pushing up bottom two sides, there is in the jack internal screw thread, the jack of ring cylinder is mutually matched with screwing in the middle part of lead screw；
6 bottom of bracket is close to clamp by its bottom end, the bottom of stainless steel fixture 3 it is L-shaped and have positioned at lateral lateral connection section and
Positioned at vertical vertical linkage section, by stainless steel fixture vertical linkage section a and stainless steel fixture lateral connection section c by itself and branch
Frame 6 is closely pasted together.
Fig. 9 and Figure 10 are please referred to, tightened-up structure 2 includes screwing lead screw, disk body and screwing bar, screws lead screw and is connected to disk body
Top screws lead screw diameter less than disk body diameter, and 4 top of Novel leaf spring is pushed down in disk body bottom, and the bottom of disk body is the table of rule
Face structure, the bottom of disk body may be configured as plane, male and fomale(M&F) or arcwall face, and the present embodiment uses male and fomale(M&F), the bottom of disk body to
Three square holes are inside recessed with, the position of three square holes is opposite with the bolt location at the top of leaf spring, and the bottom of disk body compresses
It when leaf spring, is just caught in square hole at the top of the bolt of leaf spring, the top for screwing lead screw is provided with the pin hole that bar is screwed for being inserted into, rotation
The both ends of tight bar can have the sphere for blocking and itself not departing from pin hole, may be designed as no sphere, can take out and take after screwing
Out, bar insertion can will be screwed when needing to screw or unclamp, and be screwed lead screw by screwing bar drive when use and be rotated；Tightly
It is provided with the external screw thread to match with the jack of ring cylinder in the middle part of lead screw, screws lead screw and is inserted into jack by way of rotation
It is interior, and can be rotated relative to ring cylinder, lead screw is screwed by matching with the screw thread of the ring cylinder of stainless steel fixture 3 relative to not
Rust steel clamp tool 3 can be moved up and down and be rotated, and the bottom of disk body compresses the top of Novel leaf spring 4, and tightened-up structure 2 is increased by rotation
Add deduct the small pressure to Novel leaf spring 4.
In conclusion present example is covered in track by elastomer, slows down train to the vibratory impulse of track, pass through
Leaf spring is stuck in elastomer-steel member assembly top by the disk body of tightened-up structure, will by stainless steel fixture and tightened-up structure
Leaf spring and elastomer-steel member assembly clamping are rotated and are moved up and down relative to stainless steel fixture by tightened-up structure and adjusted
The pressure between tightened-up structure and leaf spring is saved, elastomer, bracket, elastomer-steel member assembly, Novel leaf spring are compressed in-orbit
On road pedestal, by elastomer and elastomer-steel member assembly, track vibration energy is absorbed, the body vibration of track is slowed down
With the vibration of two side directions；And elastomer-steel member assembly can mainly increase track structure damping and be vibrated frequency
Rate is adjusted to main structure frequency, changes mesomerism characteristic, to reach vibration and noise reducing effect.
Present specification describes the example of the embodiment of the present invention, it is not meant to that these embodiments illustrate and describe this
All possible forms of invention.Those of ordinary skill in the art will understand that the embodiments described herein is to help
Reader understands the principle of the present invention, it should be understood that protection scope of the present invention is not limited to such special statement and implementation
Example.Those skilled in the art can according to the present invention disclosed the technical disclosures make it is various do not depart from it is of the invention real
Various other specific variations and combinations of matter, these variations and combinations are still within the scope of the present invention.
Claims (10)
1. a kind of mass block arch clamping device for track vibration-reducing, which is characterized in that including being set to track two sides: rotation
Locking structure, fixture, Novel leaf spring, elastomer-steel member assembly, bracket and the elastomer for wrapping up track, the elasticity are shown consideration for
It covers to set and is concaved with installation elastomer-steel member assembly case slot, institute at the top of the middle and lower part of track, the bracket
Elastomer is wrapped up in the bottom for stating bracket, and elastomer-steel member assembly is pressed in case slot by the Novel leaf spring, the fixture
Frame bottom is close to clamp by arched and bottom end, and the top of the fixture is provided with jack, and the tightened-up structure is inserted into jack
And can be rotated relative to fixture, the bottom of the tightened-up structure compresses Novel leaf spring, and the tightened-up structure is increased by rotation
Or reduction is to the pressure of Novel leaf spring.
2. a kind of mass block arch clamping device for track vibration-reducing according to claim 1, which is characterized in that described
Tightened-up structure includes screwing lead screw, disk body and screwing bar, and the lead screw that screws is connected at the top of disk body, described to screw lead screw diameter
Less than disk body diameter, the disk body bottom is pushed down at the top of Novel leaf spring, and the top for screwing lead screw is provided with to be screwed for insertion
The pin hole of bar screws lead screw rotation by screwing bar drive.
3. a kind of mass block arch clamping device for track vibration-reducing according to claim 2, which is characterized in that described
The top of fixture is provided with tool internal thread ring cylinder, and described screw is provided in the middle part of lead screw and matches on the inside of ring cylinder
External screw thread, the lead screw that screws can move up and down and rotate relative to fixture by matching with the screw thread on fixture top.
4. a kind of mass block arch clamping device for track vibration-reducing according to claim 3, which is characterized in that described
The top of fixture is provided with multiple ring cylinders or fixture be provided with it is multiple, between multiple ring cylinders or between multiple fixtures each other
Every and be independent of each other, the elastomer-steel member assembly is compressed by multiple rotational structures.
5. a kind of mass block arch clamping device for track vibration-reducing according to claim 3, which is characterized in that described
Novel leaf spring includes the steel plate and locking member of bowed leaf spring, long plate shape, and the both ends of leaf spring and steel plate are respectively arranged with locking hole,
Leaf spring and steel plate are fixed to each other by locking member by locking hole, and elastomer-steel member assembly is pushed down in the bottom of steel plate.
6. a kind of mass block arch clamping device for track vibration-reducing according to claim 5, which is characterized in that described
Elastomer-steel member assembly includes elastomer layer and steel member layer, and the elastomer layer and steel member layer are spaced apart from each other overlapping
It is arranged and the bottom of case slot is equipped with one layer of elastomer layer, the edge of every layer of elastomer layer and the inside of case slot is in close contact.
7. a kind of mass block arch clamping device for track vibration-reducing according to claim 6, which is characterized in that multilayer
The thickness of the steel member layer is different, and elastomer layer described in multilayer and steel member layer are spaced apart from each other the height being mutually and are less than case slot
Highly.
8. a kind of mass block arch clamping device for track vibration-reducing according to claim 1, which is characterized in that described
One end face of the direction along ng a path of bracket and top surface are provided with for being put into elastomer-steel member assembly opening, the branch
The length of the direction along ng a path of frame is less than or equal to the spacing between sleeper.
9. a kind of mass block arch clamping device for track vibration-reducing according to claim 3, which is characterized in that described
Fixture is stainless steel fixture made of stainless steel material, and stainless steel fixture and the height for screwing lead screw are less than the top edge of track
The distance between place to ground.
10. a kind of mass block arch clamping device for track vibration-reducing according to claim 3, which is characterized in that institute
The length for stating elastomer, bracket and fixture is respectively smaller than spacing between sleeper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910276544.3A CN109930434B (en) | 2019-04-08 | 2019-04-08 | Mass block arch-shaped clamping device for vibration reduction of track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910276544.3A CN109930434B (en) | 2019-04-08 | 2019-04-08 | Mass block arch-shaped clamping device for vibration reduction of track |
Publications (2)
| Publication Number | Publication Date |
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| CN109930434A true CN109930434A (en) | 2019-06-25 |
| CN109930434B CN109930434B (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910276544.3A Active CN109930434B (en) | 2019-04-08 | 2019-04-08 | Mass block arch-shaped clamping device for vibration reduction of track |
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| Country | Link |
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| CN (1) | CN109930434B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113353121A (en) * | 2021-06-23 | 2021-09-07 | 浙江树人学院（浙江树人大学） | Traffic track lane changing device and using method thereof |
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| Publication number | Publication date |
|---|---|
| CN109930434B (en) | 2020-11-10 |
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