CN205893815U - Stepless type railway roadbed of floating of increaseing - Google Patents
Stepless type railway roadbed of floating of increaseing Download PDFInfo
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- CN205893815U CN205893815U CN201620767893.7U CN201620767893U CN205893815U CN 205893815 U CN205893815 U CN 205893815U CN 201620767893 U CN201620767893 U CN 201620767893U CN 205893815 U CN205893815 U CN 205893815U
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- screw element
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Abstract
The utility model relates to a stepless type railway roadbed of floating of increaseing, being difficult to distinguish and managing the scheduling problem deformation appears and increases the gasket kind in its gasket of increaseing of having solved the railway roadbed structure of floating at present easily. The utility model discloses a floating plate and elastic vibration isolator, the last reservation through -hole that sets up of floating plate, elastic vibration isolator place in reserving the through -hole, still including increaseing the screw element, on floating plate's the reservation through -hole lateral wall at least the part set up the helicitic texture, setting up the helicitic texture on increaseing the screw element and reserving the through -hole lateral wall and mutually supporting, the superficial hardness of increaseing the screw element material is less than the superficial hardness of floating plate material, increases the at least part of screw element and is located the elastic vibration isolator top, and floating plate supports on elastic vibration isolator through increaseing the screw element, need not to set up and increaseing the gasket through providing one kind, rely on the helicitic texture just can really realize the floating plate accuracy and increase and overhauls and change more convenient stepless type railway roadbed of floating of increaseing, the vibration isolation is efficient, simple structure, maintenance change facility.
Description
Technical field
This utility model belongs to railway ballast, especially relates to a kind of track structure of railway, can be specifically railway,
Ferrum, city railway, elevated railway, high-speed railway etc..
Background technology
Vibration and noise be it has been recognized that a kind of most commonly used public hazards in impact face, be also track traffic in recent years development
The difficult problem urgently to be resolved hurrily being faced.In the noise reduction technology of existing track traffic, practical application is the most successfully
It is typical that floating ballast bed technology, its vibration isolation efficiency is high, stable work in work for component livitation, has become as being total in the industry
Know.The Chinese patent of Patent No. zl2004100354411 discloses a kind of floating ballast bed structure, and wherein built-in type floating plate exists
Setting support stop in through hole, through hole is arranged on floating plate, floating plate is supported on spring vibration-isolator by support stop, described
Support stop can be the metal embedded part of concrete construction on the through-hole wall of floating plate or embedded concrete,
Or the through hole of floating plate is embedded with joint sheeve, then support stop, described support stop are arranged on joint sheeve inwall
Can weld together with joint sheeve in advance, then joint sheeve and floating plate pour into an integrated entity.Although technique scheme
The elastic bearing of floating plate can successfully be realized, but due to the key structure support stop for supporting and floating plate
Solidification connection or integrated setting, and in many floating ballast bed harsh environments being chronically at dark humidity, therefore once
Occur support stop to damage or serious corrosion, maintenance replacing will very difficult it is possible to directly result in floating ballast bed cannot be normal
Work, interrupts track operation traffic.And the projected life of floating plate is 100 years, the good xoncrete structure of maintenance typically can be expired
Sufficient above-mentioned requirements, but 20-30 is generally using the life-span of spray painting or galvanizing antiseptic ordinary carbon steel material, without
Change and obviously cannot meet projected life requirement.Additionally, at present in floating ballast bed structure, to floating plate heighten and leveling is all
Heighten what pad was realized by setting between spring vibration-isolator and support stop, the pad of heightening due to having thin easily goes out
Now deform and heighten pad species too many if the problems such as be difficult to differentiate between and manage, the specification heightening pad in practical application has
Limit, it is difficult to be combined into any thickness, therefore cannot realize real accurately heightening, and on the other hand, is tackling the base after runing
In addition it is also necessary to heighten the thickness of pad during the problems such as plinth settles, therefore further relate to heighten reusing and managing of pad, ten
Divide inconvenience.
Utility model content
The purpose of this utility model is to overcome drawbacks described above, provides one kind need not arrange and heightens pad, relies on screw thread knot
Structure just can really realize floating plate accurately heighten and overhaul replacing more easily stepless-adjustment high type floating ballast bed.
This utility model stepless-adjustment high type is floating ballast bed to be achieved in that including floating plate and Elastic Isolator, floating
On plate, reserved through hole is set, Elastic Isolator is positioned in reserved through hole, also includes heightening screw element, the reserved through hole of floating plate
At least locally it is threaded structure, described heightening is threaded structure phase interworking on screw element and reserved through hole side wall on the wall of side
Close, the case hardness heightening screw element material is less than the case hardness of floating plate material, heightens screw element and is located at least partially within bullet
Above property vibration isolator, floating plate is supported on Elastic Isolator by heightening screw element.
The concrete structure of the Elastic Isolator described in this utility model stepless-adjustment high type is floating ballast bed can be varied,
It can be steel spring damping isolator, rubber-metal composite vibration isolator, Rubber Isolators, elastic polyurethane vibration isolation element or
Air cushion shock absorber etc., as long as bearing capacity, elasticity and damping capacity meet use requirement, can apply in this utility model
In.For some type of Elastic Isolator, for simplifying product structure, conveniently heighten operation it is also possible to will heighten screw element with
Elastic Isolator integrated setting.
For the consideration unintentional rotation during preventing use, in reserved through hole, correspondence heightens the upper end of screw element
Setting limiting locking part, the concrete structure of described limiting locking part can be varied, and for example, it can be with snap ring or limiting lock
Tight screw element etc..Heighten and matched by convex-concave structure between screw element and Elastic Isolator, in order to enter each other therebetween
Row is spacing.Rotation is heightened screw element and is carried out altitude mixture control for convenience, and the top heightening screw element also sets up attachment structure, described
Attachment structure includes at least one screwed hole or convex-concave structure.
Assembled for convenience, setting at least two can be axially spaced along reserved through hole on the side wall of reserved through hole
Individual convex stupefied, the setting of described helicitic texture convex stupefied on, the convex stupefied circumferencial direction in reserved through hole is evenly arranged or is arranged symmetrically, accordingly
, heightening screw element outer surface, to be also positioned apart from least two connections convex stupefied, connect convex stupefied on be correspondingly arranged helicitic texture, convex
Helicitic texture on stupefied be connected convex stupefied on helicitic texture cooperate connection, in reserved through hole adjacent convex stupefied between groove
Overall size be more than connect convex stupefied overall size.Occur unexpected turn in order to avoid heightening screw element in reserved through hole
Dynamic lead to slip, after the completion of heightening leveling, can also in reserved through hole adjacent convex stupefied between groove in spacing wedge is set
Block.
This utility model stepless-adjustment high type is floating ballast bed, by being threaded knot on the reserved through hole side wall of floating plate
Structure, and arrange and heighten screw element with it coordinates, just can be changed using the mode that screw element is heightened in rotation heighten screw element and
The relative position of floating plate, thus realizing the compression to Elastic Isolator or release, and then realizes the jacking to floating plate and tune
Flat.Due to employ helicitic texture cooperation adjustment height technical scheme, of the present utility model heighten leveling during no longer need
Height adjusting cushion plate to be arranged, it is related to, and element is less, and adjustment is convenient also more accurate, splits and assembles all very convenient, the later stage
Maintenance is very quick, can overcome the shortcomings of that prior art is difficult to accurately heighten leveling well.Again due to heightening screw element material
The case hardness of matter is less than the case hardness of floating plate material, can avoid well damaging floating plate structure during use,
In the service life that ensure that floating plate and heighten screw element and on the basis of Elastic Isolator can take out replacing at any time,
And then can realize effectively improving the utility model purpose of floating ballast bed system service life.
In sum, the floating ballast bed vibration isolation efficiency that not only maintains of this utility model stepless-adjustment high type is high, and anti-vibration performance is steady
Fixed reliable traditional advantages, also have that structure is simple, and facility is changed in maintenance, a series of new advantages such as are capable of accurately heightening,
It can meet the rail transportation operation needs of the forms such as subway, city railway, elevated railway, high-speed railway well, has
Wide market application foreground.
Brief description
Fig. 1 is one of floating ballast bed structural representation of this utility model stepless-adjustment high type.
Fig. 2 is the a-a sectional view of Fig. 1.
Fig. 3 is the two of the floating ballast bed structural representation of this utility model stepless-adjustment high type.
Fig. 4 is the three of the floating ballast bed structural representation of this utility model stepless-adjustment high type.
Fig. 5 is the four of the floating ballast bed structural representation of this utility model stepless-adjustment high type.
Fig. 6 is the b-b sectional view of Fig. 5.
Fig. 7 is the structural representation of the floating ballast bed middle reserved through hole of this utility model stepless-adjustment high type shown in Fig. 5.
Fig. 8 heightens the structural representation of screw element for this utility model stepless-adjustment high type shown in Fig. 5 in floating ballast bed.
Fig. 9 is the five of the floating ballast bed structural representation of this utility model stepless-adjustment high type.
Specific embodiment
Embodiment one
Stepless-adjustment high type is floating ballast bed as depicted in figs. 1 and 2, including floating plate 1, Elastic Isolator 2, floating plate 1 sets
Put reserved through hole 10, Elastic Isolator 2 is positioned in reserved through hole 10；Additionally, also including heightening screw element 3, floating plate 1 pre-
Through hole 10 side wall upper part is stayed to be threaded structure, described heightening is threaded structure phase on screw element 3 and reserved through hole 10 side wall
Mutually coordinate, the case hardness heightening screw element 3 material is less than the case hardness of floating plate 1 material；Heighten screw element 3 and be located at elasticity
Above vibration isolator 2, matched by convex-concave structure therebetween, described convex-concave structure includes setting on the top board 4 of Elastic Isolator 2
Put groove and heighten the projection 5 that screw element 3 bottom is correspondingly arranged；Floating plate 1 is supported on elastic vibration isolation by heightening screw element 3
On device 2；In addition, heightening the top setting attachment structure 6 of screw element 3, described attachment structure 6 is specially a screwed hole, and should
In screwed hole the hand of spiral of screw thread and floating plate 1 and heighten screw thread on screw element 3 the hand of spiral contrary；In order to prevent foreign body
Fall into, the top of described reserved through hole is additionally provided with an end cap 7.
During application, floating plate 1 is set successively according to the border pulling on basis 9；During jacking leveling, by Elastic Isolator
2 put in reserved through hole 10, then power-assisted torque tool (not shown) is fixedly connected on by screwed hole 6 heightens screw element
On 3, screw element 3 is heightened in rotation, makes the projection 5 heightening screw element 3 bottom embed setting groove on the top board 4 of Elastic Isolator 2
In, to prevent from heightening screw element and Elastic Isolator occurred level relative displacement, continue rotation heighten screw element 3 elasticity of compression every
Shake device 2, until floating plate 1 reaches design height；Repeat aforesaid operations step, adjusted in floating plate 1 using heightening screw element 3
The decrement of the Elastic Isolator 2 in all reserved through holes 10, floating plate 1 departs from the surface on basis 9 by Elastic Isolator 2
Hold, recycling is heightened screw element 3 and each Elastic Isolator 2 decrement is finely adjusted, until floating plate 1 reaches the height of design
Degree and levelness, complete heightening and leveling, specifically as shown in Figure 2 of one piece of floating plate；According to the method described above by all floating plates
All jacking leveling, may make up final floating plate ballast bed system after installing shear hinge 8 and rail 11.
This utility model stepless-adjustment high type is floating ballast bed, by being threaded on the reserved through hole 10 side wall of floating plate 1
Structure, and arrange and heighten screw element 3 with it coordinates, just can be changed using the mode that screw element 3 is heightened in rotation and heighten screw thread
Part 3 and the relative position of floating plate 1, thus realizing the compression to Elastic Isolator 2 or release, and then realize to floating plate 1
Jacking and leveling.Due to employing the technical scheme of helicitic texture cooperation adjustment height, of the present utility model heighten leveling process
In be no longer necessary to arrange height adjusting cushion plate, it is related to, and element is less, and adjustment is convenient also more accurate, splits assembling all very square
Just, later period maintenance is very quick, can overcome the shortcomings of that prior art is difficult to accurately heighten leveling well.Again due to heightening spiral shell
The case hardness of stricture of vagina part material is less than the case hardness of floating plate material, can avoid well damaging floating plate during use
Structure, in the service life that ensure that floating plate and heighten screw element and Elastic Isolator can take out the base of replacing at any time
On plinth, and then can realize effectively improving the utility model purpose of floating ballast bed system service life.
In sum, the floating ballast bed vibration isolation efficiency that not only maintains of this utility model stepless-adjustment high type is high, and anti-vibration performance is steady
Fixed reliable traditional advantages, also have that structure is simple, and facility is changed in maintenance, a series of new advantages such as are capable of accurately heightening,
It can meet the rail transportation operation needs of the forms such as subway, city railway, elevated railway, high-speed railway well, has
Wide market application foreground.
It is pointed out that this example taking attachment structure 6 specially a screwed hole as a example illustrates, in practical application
In it is also possible to setting two, three even more screwed holes, as long as enable power-assisted torque tool with heighten screw element 3 it
Between be effectively fixedly connected and can realize similar technique effect；Based on this know-why, heightening can also on screw element 3
It is not provided with attachment structure, when needing to be connected with power-assisted torque tool, screw element 3 will be heightened and power-assisted torque tool utilizes spot welding
It is fixed together etc. mode, splits and polish using fusing after finishing again, also can realize described jacking leveling well
Process.In addition, so that the shear hinge using overhead is attached to floating plate as a example illustrating in Fig. 1, in actual applications,
This utility model can also be attached to floating plate using the overhead shear hinge of the shear hinge of middle or other forms, structure
Become floating ballast bed structure, also enable same technique effect, the protection model that technique scheme all requires in this utility model
Among enclosing.
Embodiment two
This utility model stepless-adjustment high type is floating ballast bed as shown in Figure 3, and the difference with embodiment one is, Elastic Isolator
2 are specially the Rubber Isolators made of block rubber, and it is with to heighten screw element 3 prevulcanization processing integral；Additionally, heightening spiral shell
The attachment structure 6 of stricture of vagina part 3 top setting specifically includes two and is fixedly connected pin；In addition, meaning occurs for during preventing use
The consideration of outer rotation, in reserved through hole 10, correspondence heightens the upper end setting limiting locking part of screw element 3, described limiting locking part
It is specially snap ring 12.
What described in this example, stepless-adjustment high type was floating ballast bed heighten, and leveling process is essentially identical with embodiment one, and here is no longer heavy
Multiple description.Compared with technical scheme described in embodiment one, in technical scheme described in this example, due to being additionally arranged snap ring 12, Ke Yiyou
Effect is heightened during preventing from using and is relatively rotated between screw element 3 and floating plate 1, and the safety of floating ballast bed system is more
Good；Further, since screw element and Elastic Isolator integrated setting will be heightened, globality is more preferable, the element that therefore product is related to
Less, structure is simpler, heightens Levelling operation also convenient.Certainly, based on the know-why described in this example, elastic vibration isolation
Device can also adopt the Elastic Isolator of the other forms such as rubber-metal composite vibration isolator, elastic polyurethane vibration isolation element；In addition,
Material according to selected by Elastic Isolator is different, and the mode of Elastic Isolator connection integrated with heightening screw element is except adopting
Sulfuration is outer, can also be welding, riveting, securing member connection, snaps connection or other connected modes such as bonding, as long as bonding strength
Enough, also can act as identical technique effect, be all based on the simple change of this example know-why, all in this utility model
Among the protection domain requiring.
Embodiment three
This utility model stepless-adjustment high type is floating ballast bed as shown in Figure 4, and the difference with embodiment one is, heightens screw element
3 are made up of threaded sleeve；Additionally, heighten being connected by convex-concave structure between screw element 3 and Elastic Isolator 2, described convex-concave knot
The central through hole that structure includes four alignment pins 15 being uniformly arranged on top board 4 and heightens screw element 3 middle part setting, alignment pin 15
Top is located in central through hole；In addition, the attachment structure 6 heightening the setting of screw element 3 top is specially two fixed pin holes 6；The
Four, for the consideration unintentional rotation during preventing use, in reserved through hole 10, the corresponding upper end heightening screw element 3 sets
Put limiting locking part, described limiting locking part is specially limiting locking screw element 13, and the top of limiting locking screw element 13 also sets
Put two fixed pin holes 14, for being connected with power-assisted torque tool, in order to the maintenance in later stage.
Compared with technical scheme described in embodiment one, in technical scheme described in this example, due to being additionally arranged limiting locking screw thread
Part 13, heightens during can effectively preventing from using and relatively rotates between screw element 3 and floating plate 1, floating ballast bed system
Safety more preferable.Further, since heighten screw element 3 being made up of threaded sleeve, product weight mitigates significantly, is conducive to saving material
Material and reduces cost, carry and also convenient using operation.
Example IV
As shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8, this utility model stepless-adjustment high type is floating ballast bed, and the difference with embodiment three exists
In being axially spaced to arrange three convex stupefied 17 along reserved through hole on the side wall of reserved through hole 10, described helicitic texture setting is convex
On stupefied 17, convex stupefied 17 are evenly arranged in the circumferencial direction of reserved through hole 10, accordingly, heighten screw element 3 outer surface also compartment of terrain
Setting three connects convex stupefied 19, connects and is correspondingly arranged helicitic texture on convex stupefied 19, the helicitic texture on convex stupefied 17 be connected convex stupefied
Helicitic texture on 19 cooperates connection, and in reserved through hole 10, the overall size of the groove 18 between adjacent convex stupefied 17 is more than even
Connect convex stupefied 19 overall size；Additionally, after the completion of heightening screw element 3 and floating plate 1 assembling, groove 18 interpolation wherein
Enter to arrange spacing voussoir 16, described spacing voussoir 16 and end cap 7 integrated setting.
During application, the groove 18 of convex for the connection heightening screw element 3 stupefied 19 be aligned reserved through holes 10 is put in reserved through hole,
By the tool compresses Elastic Isolator such as jack, rotation is heightened screw element 3, makes the helicitic texture in connection convex stupefied 19 stupefied with convex
Helicitic texture on 17 engages each other connection, and release Elastic Isolator 2 makes its resilience, is bearing in and heightens on screw element 3, realize bullet
The property resilient support to floating plate 1 for the vibration isolator；Screw element 3 is heightened in reserved through hole 10 according to the method described above in adjustment floating plate 1
In position, until floating plate 1 reaches height and the levelness of design, recycle spacing voussoir 16 to clog groove 18, prevent from adjusting
Between high screw element 3 and floating plate 1, occurred level rotates against and surprisingly deviates from；According to the method described above all floating plates are all pushed up
Rise leveling, after shear hinge and rail are installed, may make up final floating plate ballast bed system.Due in technical scheme described in this example,
The helicitic texture heightened on screw element 3 is only capable of the company of realization in certain angle range with the helicitic texture on reserved through hole 10 side wall
Continuous cooperation, therefore should will heighten screw element first with instruments such as jack when using and probably be assembled in place in reserved through hole,
The helicitic texture heightening on screw element 3 is recycled to coordinate, with the helicitic texture on reserved through hole 10 side wall, the height carrying out little stroke
Accurately adjust, this class formation is compared with full thread structure, you can to realize quickly putting in place, can realize accurately adjusting again, can
Greatly promote operating efficiency.
Compared with technology technical scheme described in embodiment three, the advantage of technical scheme described in this example is: during application, heightens
Assembling between screw element and floating plate and fractionation are more quick, are conducive to improving speed of application and facilitate the maintenance in later stage to protect
Support；On the other hand, from material using in view of, screw element materials are less for heightening described in this example, and screw thread process amount is also less,
Advantageously reduce production cost.
This example is only convex stupefied to be positioned apart from three on the side wall of reserved through hole, heighten accordingly screw element outer surface also between
Every ground arrange three connect convex stupefied with its coordinate as a example illustrate, in actual applications, difference needed according to engineering, reserved
Can also be positioned apart from the side wall of through hole two convex stupefied, four convex stupefied even more convex stupefied, for ensure uniform force, institute
State the convex stupefied circumferencial direction along reserved through hole uniformly or be arranged symmetrically, heighten screw element outer surface accordingly and be also positioned apart from together
Convex etc. the connection of quantity stupefied coordinate with it, also enable same technique effect；Additionally, for preventing from heightening screw element and floating plate
After cooperation, unintentional rotation slips, and at least can arrange spacing voussoir in a groove, these technical schemes are all based on this example
The simple change of know-why, all among the protection domain that this utility model requires.
Embodiment five
This utility model stepless-adjustment high type is floating ballast bed as shown in Figure 9, and the difference with embodiment three is, heightens screw element
3 are partially located above Elastic Isolator 2, and Elastic Isolator 2 part is embedded in heightening screw element 3；Additionally, heightening screw element 3
It is raised that the attachment structure 6 of crown center setting is specially a hexagon being similar to bolt head shapes.
Compared with embodiment three, in technical scheme described in this example, only it is partially located at Elastic Isolator due to heightening screw element 3
Above in the of 2, the height space of therefore occupancy is less, goes for relatively thin floating plate, substantially increases the scope of application of product.
Additionally, attachment structure 6 is arranged to the projection of bolt head shapes, height adjustment just can be completed using instruments such as wrench, very square
Just, certainly, except the hexagon mentioned is raised outer, attachment structure 6 can also arrange that quadrangularly is raised, pentagon projection,
The other structures forms such as interior hexagonal counterbore, tetragon counterbore or pentagon counterbore, as long as be easy to carry out cooperation in fact with tool for helping
Now screw element is heightened in rotation, can act as identical technique effect, all among the protection domain that this utility model requires.
The concrete structure of the Elastic Isolator described in this utility model stepless-adjustment high type is floating ballast bed can be varied,
It can be steel spring damping isolator, rubber-metal composite vibration isolator, Rubber Isolators, elastic polyurethane vibration isolation element or
Air cushion shock absorber etc., as long as bearing capacity, elasticity and damping capacity meet use requirement, can apply in this utility model
In, it is described in this together.
It is pointed out that for the primary structure seeing product clearly, it is to avoid chaotic, in the accompanying drawings not according to actual projection
Relation draws helicitic texture lines in the accompanying drawings, hereby illustrates.Additionally, embodiment of the present utility model is primarily to facilitate
Understand know-why of the present utility model it is not limited to above-described embodiment record content, above-described embodiment record technology
Content can also carry out cross-reference, and based on this utility model know-why, those skilled in the art can be to above-described embodiment
Described technical scheme is re-started combination or using similar technique, some of which element is simply replaced, as long as being based on this reality
With new know-why, all among the protection domain that this utility model requires.
Claims (7)
1. a kind of stepless-adjustment high type is floating ballast bed, including floating plate and Elastic Isolator, floating plate arranges reserved through hole, elasticity
Vibration isolator is positioned in reserved through hole it is characterised in that also including heightening screw element, on the reserved through hole side wall of floating plate at least
Local is threaded structure, and described heightening is threaded structure on screw element and reserved through hole side wall and cooperates, and heightens screw thread
The case hardness of part material is less than the case hardness of floating plate material, heightens screw element and is located at least partially within Elastic Isolator
Side, floating plate is supported on Elastic Isolator by heightening screw element.
2. stepless-adjustment high type according to claim 1 floating ballast bed it is characterised in that heightening screw element and Elastic Isolator
Integrated setting.
3. stepless-adjustment high type according to claim 1 is floating ballast bed heightens screw thread it is characterised in that corresponding in reserved through hole
The upper end setting limiting locking part of part.
4. stepless-adjustment high type according to claim 1 floating ballast bed it is characterised in that the top heightening screw element also sets up
Attachment structure, described attachment structure includes at least one screwed hole or convex-concave structure.
5. stepless-adjustment high type according to claim 1 floating ballast bed it is characterised in that heightening screw element and Elastic Isolator
Between matched by convex-concave structure.
6. stepless-adjustment high type according to claim 1 floating ballast bed it is characterised in that along reserved on the side wall of reserved through hole
It is convex stupefied that through hole is axially spaced setting at least two, the setting of described helicitic texture convex stupefied on, the convex stupefied circumference side in reserved through hole
To being evenly arranged or being arranged symmetrically, accordingly, heightening screw element outer surface, to be also positioned apart from least two connections convex stupefied, connects
Convex stupefied on be correspondingly arranged helicitic texture, convex stupefied on helicitic texture be connected convex stupefied on helicitic texture cooperate connection, in advance
Stay in through hole adjacent convex stupefied between groove overall size be more than connect convex stupefied overall size.
7. stepless-adjustment high type according to claim 6 floating ballast bed it is characterised in that in reserved through hole adjacent convex stupefied between
Groove in be provided with spacing voussoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620767893.7U CN205893815U (en) | 2016-07-20 | 2016-07-20 | Stepless type railway roadbed of floating of increaseing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620767893.7U CN205893815U (en) | 2016-07-20 | 2016-07-20 | Stepless type railway roadbed of floating of increaseing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205893815U true CN205893815U (en) | 2017-01-18 |
Family
ID=57774093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620767893.7U Withdrawn - After Issue CN205893815U (en) | 2016-07-20 | 2016-07-20 | Stepless type railway roadbed of floating of increaseing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205893815U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012696A (en) * | 2016-07-20 | 2016-10-12 | 隔而固(青岛)振动控制有限公司 | Stepless lifted type floating ballast bed |
| CN112252092A (en) * | 2020-11-09 | 2021-01-22 | 上海同研城铁减振技术有限公司 | Outer sleeve of spring vibration isolator |
-
2016
- 2016-07-20 CN CN201620767893.7U patent/CN205893815U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012696A (en) * | 2016-07-20 | 2016-10-12 | 隔而固(青岛)振动控制有限公司 | Stepless lifted type floating ballast bed |
| CN106012696B (en) * | 2016-07-20 | 2018-01-23 | 隔而固(青岛)振动控制有限公司 | Stepless-adjustment high type is floating ballast bed |
| CN112252092A (en) * | 2020-11-09 | 2021-01-22 | 上海同研城铁减振技术有限公司 | Outer sleeve of spring vibration isolator |
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