CN109972460A - A kind of floating ballast bed and its jacking apparatus - Google Patents
A kind of floating ballast bed and its jacking apparatus Download PDFInfo
- Publication number
- CN109972460A CN109972460A CN201910284385.1A CN201910284385A CN109972460A CN 109972460 A CN109972460 A CN 109972460A CN 201910284385 A CN201910284385 A CN 201910284385A CN 109972460 A CN109972460 A CN 109972460A
- Authority
- CN
- China
- Prior art keywords
- jacking
- hole
- vibration isolator
- gasket
- ballast bed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007667 floating Methods 0.000 title claims abstract description 76
- 238000009434 installation Methods 0.000 claims abstract description 39
- 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 claims description 19
- 210000000078 claw Anatomy 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 244000309464 bull Species 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
-
- 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
- E01B37/00—Making, maintaining, renewing, or taking-up the ballastway or the track, not provided for in a single one of groups E01B27/00 - E01B35/00
Abstract
The invention discloses a kind of floating ballast bed, including floating plate, gasket and vibration isolator；The installation through-hole for jacking is opened up on the floating plate, and upper limit plate and lower limiting board are disposed in the installation through-hole；The vibration isolator is set in the mounting through hole；The gasket can be set between the lower limiting board and the vibration isolator in the mounting through hole by the upper limit plate, and can be formed dislocation with the lower limiting board and be overlapped, and jacking through-hole is opened up in the middle part of the gasket.It also discloses a kind of suitable for above-mentioned floating ballast bed jacking apparatus, including shackle member, jacking part and actuator；The shackle member is used to support the upper limit plate of the floating plate；The jacking part may pass through the jacking through-hole of the gasket and abut with the vibration isolator；The actuator is for driving the jacking part and shackle member that relative motion occurs.The present invention uses single hole bit architecture, guarantees to reduce manufacturing cost while installation, maintenance is quick.
Description
Technical field
The present invention relates to technical field of rail traffic, more particularly, to a kind of floating ballast bed and its jacking apparatus.
Background technique
Under China's rapid development of economy, the quality of life of the people is stepped up, energy-saving and emission-reduction, the noise abatement of drop sound oneself through at
It is needed for the growing good life of each megapolitan people.Urban Rail Transit Development not only can effectively improve the traffic in city
Environment also contributes to urban construction and expanding economy, but rail traffic also brings while offering convenience and do not allow
The vibration and noise problem of ignorance.
Presently preferred settling mode is to install track on floating ballast bed, floating ballast bed to be supported on by vibration isolator
On the basis of bed, the floating ballast bed dynamic load that enough inertia masses can be provided and carry out balancing vehicle generation, only dead load and few
The dynamic load of amount can be passed on the basis of railway roadbed by vibration isolator.The damping action of vibration isolator can be effectively reduced and be passed via floating plate
It is multicast to the vibration on railway roadbed basis, to reduce noise.
It is floating ballast bed in installation or maintenance, and adjust by way of increasing and decreasing gasket the initial elasticity degree of vibration isolator
When, it generallys use jacking apparatus and is jacked up operation after certain height.It is existing floating ballast bed to hold to realize this jacking
If the installation hole location for installing vibration isolator, and in addition opened up again for jacking apparatus by each vibration isolator installation hole location
Installation hole location, i.e. jacking apparatus is identical with the mode of action of vibration isolator, be one end abut railway roadbed basis, one end support it is floating
Railway roadbed.The design of double holes site will increase process when producing floating ballast bed, increase components, i.e. increase manufacturing cost, while
It will affect floating ballast bed mechanical structure.
Summary of the invention
It is an object of the invention to overcome above-mentioned technical deficiency, a kind of floating ballast bed and its jacking apparatus is proposed, using list
Hole bit architecture guarantees to reduce floating ballast bed manufacturing cost while installation, maintenance is quick.
To reach above-mentioned technical purpose, technical solution of the present invention provide it is a kind of floating ballast bed, including floating plate, gasket and
Vibration isolator；
The installation through-hole for jacking is opened up on the floating plate, and upper limit plate and lower limit are disposed in the installation through-hole
Position plate；
The vibration isolator is set in the mounting through hole, and the upper end supports the floating plate, and lower end abuts railway roadbed basis；
The gasket can set the lower limiting board in the mounting through hole and the vibration isolation by the upper limit plate
Between device, and dislocation being formed with the lower limiting board and being overlapped, jacking through-hole is opened up in the middle part of the gasket.
Technical solution of the present invention also provides a kind of suitable for above-mentioned floating ballast bed jacking apparatus, including shackle member, jacking
Part and actuator；The shackle member is used to support the upper limit plate of the floating plate；The jacking part may pass through the gasket
Jacking through-hole is simultaneously abutted with the vibration isolator；The actuator is for driving the jacking part and shackle member that relative motion occurs.
Compared with prior art, the beneficial effect comprise that floating ballast bed use single hole bit architecture, manufacture is simplified
Technique；It is floating ballast bed during jacking, vibration isolator always by jacking apparatus exert a force compress, relative to diplopore bit architecture (every
Vibration device, jacking apparatus are installed by mounting hole independent) for, there is no vibration isolators because gradually losing floating ballast bed effect
Power and there is a situation where springing back, i.e. the jacking stroke of jacking apparatus is substantially shortened；And it is high in order to obtain necessary jacking
Spend (the floating ballast bed distance for leaving vibration isolator), in the compressed situation of vibration isolator, it is floating ballast bed relative to railway roadbed basis
Top lifting height becomes very little, therefore floating ballast bed integral inclined degree during jacking varies less, so even can be real
Existing single hole position independently working, without regard to for the floating ballast bed integral inclined degree of balance and to the adaptability top of other hole locations
It rises, enormously simplifies jacking operation；In addition, single hole bit architecture, which makes railway roadbed basis only, to be needed for support level at hole location setting one
(being only used for support vibration isolator), reduces the design and construction requirement on railway roadbed basis, reduces its cost.
Detailed description of the invention
Fig. 1 is floating ballast bed structural schematic diagram；
Fig. 2 is the installation condition schematic diagram of gasket；
Fig. 3 is floating ballast bed and jacking apparatus mated condition schematic diagram；
Fig. 4 is the status diagram that the shackle member of jacking apparatus is placed in floating ballast bed installation through-hole；
Fig. 5 is the shackle member of jacking apparatus and the status diagram that floating ballast bed upper limit board connects；
Fig. 6 is the structural schematic diagram of jacking apparatus；
Fig. 7 is enlarged drawing at A in Fig. 6.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As depicted in figs. 1 and 2, the present invention provides a kind of floating ballast bed, including floating plate 110, gasket 120 and vibration isolator
130。
The installation through-hole 111 for jacking is opened up on the floating plate 110, is disposed with the upper limit in the installation through-hole 111
Position plate 112 and lower limiting board 113.
The vibration isolator 130 is placed in the installation through-hole 111, and the upper end supports the floating plate 110, lower end abutting road
Bed basis.
The gasket 120 can be by the upper limit plate 112, the lower limiting board being placed in the installation through-hole 111
Between 113 and the vibration isolator 130, and dislocation being formed with the lower limiting board 113 and being overlapped, the middle part of the gasket 120 is opened
If jacking through-hole 121.
The dislocation is overlapping, refers to the cooperation between a pair of of shape adaptable bull and parent part, and parent part has and can make
The hole (hole can be counterbore and be also possible to through-hole) that bull protrudes into or passes through, and in the hole or other side in hole has centainly
Space to meet the needs of the rotatable certain angle of bull.It reaches in the space, and revolves when bull passes through the hole on parent part
After turning certain angle, the upward abutting of hole axle can occur with parent part.Specifically, the hole on the parent part can be strip-shaped hole,
Delthyrium, square hole, elliptical aperture etc., and bull can be the bar shaped being adapted with parent part, triangle, rectangular, oval etc..
Manufacture this it is floating ballast bed when, the installation position of corresponding everywhere vibration isolator 130, it is only necessary to open up an installation through-hole 111
Can (" single hole bit architecture " i.e. described previously), simplify manufacturing process, the installation through-hole 111 can using reserved when pouring,
Or it is drilled with after pouring, or cooperate 130 outer sleeve of vibration isolator to be formed when pouring floating ballast bed.Upper limit plate 112 and lower limit
Plate 113 is fixed to be installed in the installation through-hole 111, bonding strength be subject to can support respectively it is floating ballast bed.
When this floating ballast bed normal work, installs and be connected to vibration isolator 130 in the lower limiting board 113 in installation through-hole 111
On, or be connected on the gasket 120 being placed on vibration isolator 130, lower limiting board 113 is convenient for vibration isolator 130 to floating ballast bed
Support.
When safeguarding that this is floating ballast bed, as shown in figure 3, to floating ballast bed support, i.e., upper limit plate 112 is used for jacking apparatus
When jacking apparatus implements jacking effect, a power acts on the lower surface of upper limit plate 112, another power acts on vibration isolator
On 130, certain space can be jacked by originally floating ballast bed, safeguarded for worker and create space.
When the initial elasticity of adjusting vibration isolator is spent, it is illustrated: is asked with increasing gasket and reducing two kinds of situations of gasket respectively
Referring to Fig. 2~Fig. 5,1) when increasing gasket, gasket 120 is first put into installation through-hole 111, is placed on vibration isolator 130, then puts again
Enter jacking apparatus；For being smoothly put into for tie spacer 120, the size of the upper limit plate 112 and lower limiting board 113 be cannot be less than
The size of gasket 120；The jacking through-hole 121 at 120 middle part of gasket enables jacking apparatus smoothly to abut vibration isolator 130, jacking apparatus
After applying top lift, this floating ballast bed weight is gradually applied on vibration isolator 130, and therefore vibration isolator 130 is compressed, increased
Gasket 120 sinks with the compression of vibration isolator 130, the lower surface until being lower than lower limiting board 113, due to gasket 120 and lower limit
Position plate 113 can form dislocation and overlap, and only gasket 120 need to rotate by a certain angle can be realized to 113 following table of lower limiting board at this time
The abutting in face, with the increase of gasket, vibration isolator 130 increases at a distance from lower limiting board 113, i.e., vibration isolator 130 is initial
The amount of compression increases, and initial elasticity degree is increased；2) when reducing gasket, jacking apparatus is put into installation through-hole 111, and make it
Jacking through-hole 121 across 120 middle part of gasket is abutted with vibration isolator 130, and applying top lift compresses vibration isolator 130, gasket 120
The support force being subject to releases, and rotation gasket 120 discharges the top lift of jacking apparatus, vibration isolator 130 to the overlapping state that misplaces is released
Rebound, rises gasket 120 and by the lower limiting board 113, and vibration isolator 130 supports floating ballast bed again, takes at this time
Out after jacking apparatus, gasket 120 can be taken out.
To realize the rotation with Upper gasket, referring to Fig. 2, eccentric orfice 122 can be opened up on gasket 120, is passed through
Man-hour manually hand-held stock stirs eccentric orfice 122 to drive gasket 120 that the rotation of certain angle occurs, to reach gasket 120 and lower limit
Switching between " dislocation is overlapping " or " can pass through " this two positions state of position plate 113.No matter which kind of is rotated, and occurs jacking
In the state that device abuts vibration isolator 130, i.e. the rotation center of gasket 120 is constrained by jacking apparatus, and rotary course is to rotary force
Directional precision require it is very low, manual operation is easy to.
Use a single hole bit architecture since this is floating ballast bed, this is floating ballast bed during jacking, vibration isolator 130 always by
Jacking apparatus force compression, relative to diplopore bit architecture (vibration isolator, jacking apparatus are installed by mounting hole independent)
Speech, there is no vibration isolator there is a situation where springing back due to gradually losing floating ballast bed active force, i.e. the jacking stroke of jacking apparatus
Substantially shortened, therefore the intensity requirement of jacking apparatus is reduced, in other words, the cost of jacking apparatus can be reduced.And
And in order to obtain necessary top lifting height (the floating ballast bed distance for leaving vibration isolator 130), in the compressed situation of vibration isolator 130
Under, the floating ballast bed top lifting height relative to railway roadbed basis becomes very little, therefore floating ballast bed entirety during jacking is inclined
The independently working of single hole position even may be implemented in this way in changes in pitch very little, without regard to inclining to balance floating ballast bed entirety
Gradient and to the adaptability of other hole locations jack, enormously simplify jacking operation.In addition, single hole bit architecture makes railway roadbed basis only
It need to be for support level at hole location setting one (being only used for support vibration isolator), the design and construction for reducing railway roadbed basis is wanted
It asks, reduces its cost.
To improve floating ballast bed intensity and reduce manufacture difficulty, propose a kind of scheme: the upper limit plate 112 and/or
Lower limiting board 113 is integrally formed with the floating plate 110.It can be poured using cement or the modes such as casting of metals.
In order to realize that gasket can pass through upper limit plate, propose a kind of scheme: the gasket 120 can also be with the upper limit
It is overlapping that position plate 112 forms dislocation.I.e. gasket 120 and upper limit plate 112 and lower limiting board 113 can form dislocation and overlap, in this way
The shape for being conducive to regular installation through-hole 111, more conducively constructs, and the power of either floating ballast bed or installation through-hole itself
Learning structure also can be more preferable.
It is proposed a kind of concrete scheme for vibration isolator: referring to Fig. 1, the vibration isolator 130 includes pedestal 131, elasticity
Supporting element 132 and top cover 133；The pedestal 131 is for abutting railway roadbed basis；Described in described 132 one end of elastic supporting member for supporting optical member abuts
Pedestal 131, the other end abut the top cover 133；The top cover 133 is for abutting the lower limiting board 113 or the gasket
120.Wherein, elastic supporting member for supporting optical member 132 can select steel spring, and both ends are respectively acting on pedestal 131 and top cover 133, be vibration isolation
Device 130 provides elastic anchorage force output.Further scheme on this basis are as follows: the pedestal 131 is that top is equipped with opening
Column shape container, in inject damping fluid 136；The vibration isolator 130 further includes connect the pedestal 131 and top cover 133 soft
Property sealed connecting component 134, and the dampened disk 135 of the pedestal 131 is connect and protruded into the top cover 133；The flexible sealing
Connector 134 makes to form sealing space between the pedestal 131 and top cover 133, and the elastic supporting member for supporting optical member 132 is placed in sealing sky
In.Wherein, flexible sealing connector 134 can use the cooperation 134b of rubber seal 134a and hose clamp, i.e. rubber seal
The both ends of circle 134a are tightly connected 133 side of 131 side of pedestal and top cover by two hose clamp 134b respectively, so that pedestal 131
Sealing space is formed between top cover 133, damping fluid 136 can be prevented excessive；Also, flexible sealing connector 134 can be top cover
133 up and down motion provides certain stroke space.The damping fluid 136 injected in pedestal 131 can provide elastic supporting member for supporting optical member 132
Damping action especially cooperates the up and down motion that may be implemented to top cover 133 relative to pedestal 131 to provide resistance with dampened disk 135
Buddhist nun's effect.
As shown in fig. 6, the present invention also provides a kind of jacking apparatus suitable for prescribed float railway roadbed, including shackle member 210, top
Rise part 220 and actuator 230；The shackle member 210 is used to support the upper limit plate 112 of the floating plate 110；The jacking part
220 may pass through the jacking through-hole 121 of the gasket 120 and abut with the vibration isolator 130；The actuator 230 is for driving
With shackle member 210 relative motion occurs for the jacking part 220.
When work, the shackle member 210 of this jacking apparatus acts on the lower surface of upper limit plate 112, and jacking part 220 passes through pad
The jacking through-hole 121 of piece 120 acts on vibration isolator 130, and actuator 230 is for driving jacking part 220 and shackle member 210 to occur
Relative motion, to realize to floating ballast bed jacking.Wherein shackle member 210 can use the claw hinged with actuator 230,
The claw can be close to 230 outer wall of actuator, to pass through upper limit plate 112, then by claw around hinge joint rotary expansion, and lead to
The mode for crossing grafting positioning pin makes claw keep unfolded state, to the support demand of upper limit plate 112 when meeting jacking.
The connection of shackle member 210 and actuator 230 intensity usually in a manner of being fixedly connected be it is best, floated for cooperation is aforementioned
Set the installation through-hole of railway roadbed, and can pass through upper limit plate 112, propose a kind of concrete scheme: the shackle member 210 can be with institute
The upper limit plate 112 for stating floating plate 110 forms dislocation and overlaps.To it is floating ballast bed be put into this jacking apparatus when, shackle member 210 is right
The middle vacancy of quasi- upper limit plate 112 is simultaneously sent into, when shackle member 210 is located at the lower section of upper limit plate 112, revotating card fitting 210
Certain angle can make shackle member 210 form the lower surface of upper limit plate 112 and abut.This way it is ensured that shackle member 210 is supported
While connecing intensity, operational motion is simplified.
There is provided a kind of concrete scheme for actuator: the actuator 230 is oil cylinder comprising cylinder body 231 and piston rod
232；The jacking through-hole 121 of the end size of the piston rod 232 and the gasket 120 is adapted, and forms the jacking part
220；The shackle member 210 is the claw on the cylinder body 231.Wherein, one-way cylinder can be selected in actuator 230, can
To reduce cost.In addition, a holding rod 233 can be set on the cylinder body 231 of the actuator 230, in order to jacking apparatus
Pick-and-place.
On the basis of above scheme, it is contemplated that piston rod is the important component for participating in jacking, forms jacking part 220
End can cause the plane-plane contact of design to become line-face during jacking for abutting with vibration isolator 130 because of the problem of angle
Contact even point-face contact, therefore piston rod 232 forms the end rapid wear of jacking part 220.To overcome the problems, such as this, one kind is proposed
Concrete scheme: as shown in fig. 7, the piston rod 232 of the actuator 230 includes piston bar body 232a and jacking part 220；It is described
The end of piston bar body 232a has installation counterbore 232a1；The jacking part 220 includes jacking portion 220a and fixed part
220b, the fixed part 220b are protruded into the installation counterbore 232a1, and the outer diameter of fixed part 220b is less than the installation counterbore
The internal diameter of 232a1；The elastic card pin member of the fixed part 220b being radially provided with for being clamped the piston bar body 232a
The limiting slot 234 matched with the elastic card pin member 221 is equipped in 221, the installation counterbore 232a1.Wherein, elastic bayonet lock
The card connection ball 221a (or clamping is sold) that part 221 may include and the limiting slot 234 cooperates, and the connection card connection ball 221a
The clamping spring 221b of (or clamping pin) and the jacking 220 fixed part 220b of part.In this way, elastic card pin member 221 can be with installation
Clamping is realized in the cooperation of limiting slot 234 in counterbore 232a1, is clamped power can will jack part 220 and piston bar body 232a enough
Being connected is advisable, and when jacking part 220 by the external force extracted, elastic card pin member 221 is moved back by its flexible deformation
Limiting slot 234 out, i.e. jacking part 220 lose clamping constraint, can easily jacking part 220 be replaced or be safeguarded at this time.Top
Part 220 and piston rod 232 are risen using the split type structure of such as aforenoted remov, for frangible portions can realize convenient changing or
Maintenance, extends the service life of 230 main body of actuator.In addition, the outer diameter of jacking 220 fixed part 220b of part is less than the installation
The internal diameter of counterbore 232a1, i.e. jacking part 220 have certain angle self-regulation space, and elasticity in installation counterbore 232a1
The flexible of bayonet lock part 221 is clamped the self-regulation for making it possible to jack part 220, in this way, when jacking part 220 abuts vibration isolator 130
When can voluntarily adjust the angle, preferably to realize plane-plane contact, reduce the loss of jacking part 220, prolong the service life, save
Cost.
Another force application part of the claw as jacking apparatus, itself is also vulnerable part, thus it is also proposed that a kind of specific side
Case: the claw is detachable structure with the cylinder body 231.Specifically, the claw may include claw ontology 211 and dog rings
212, the claw ontology 211 is fixed in the dog rings 212, and dog rings 212 are threadedly coupled with the cylinder body 231.In this way,
Claw easily can be dismounted or be safeguarded, equally extend the service life of 230 main body of actuator.
The above described specific embodiments of the present invention are not intended to limit the scope of the present invention..Any basis
Any other various changes and modifications that technical concept of the invention is made should be included in the guarantor of the claims in the present invention
It protects in range.
Claims (10)
1. a kind of floating ballast bed, it is characterised in that: including floating plate, gasket and vibration isolator；
The installation through-hole for jacking is opened up on the floating plate, and upper limit plate and lower limit are disposed in the installation through-hole
Plate；
The vibration isolator is set in the mounting through hole, and the upper end supports the floating plate, and lower end abuts railway roadbed basis；
The gasket can by the upper limit plate, set the lower limiting board in the mounting through hole and the vibration isolator it
Between, and dislocation can be formed with the lower limiting board and overlapped, jacking through-hole is opened up in the middle part of the gasket.
2. according to claim 1 floating ballast bed, it is characterised in that: the upper limit plate and/or lower limiting board with it is described
Floating plate is integrally formed.
3. according to claim 1 floating ballast bed, it is characterised in that: the gasket can also form mistake with the upper limit plate
Position is overlapping.
4. according to claim 1 floating ballast bed, it is characterised in that: the vibration isolator include pedestal, elastic supporting member for supporting optical member and
Top cover；The pedestal is for abutting railway roadbed basis；Described elastic supporting member for supporting optical member one end abuts the pedestal, and the other end abuts the top
Lid；The top cover is for abutting the lower limiting board or the gasket.
5. according to claim 4 floating ballast bed, it is characterised in that: the pedestal is the column appearance that top is equipped with opening
Device, it is interior to inject damping fluid；The vibration isolator further includes the flexible sealing connector for connecting the pedestal and top cover, and with it is described
Top cover connects and protrudes into the dampened disk of the pedestal；The flexible sealing connector makes to form sealing between the pedestal and top cover
Space, the elastic supporting member for supporting optical member are placed in the sealing space.
6. a kind of suitable for the floating ballast bed jacking apparatus any in Claims 1 to 5, it is characterised in that: including shackle member,
Jack part and actuator；The shackle member is used to support the upper limit plate of the floating plate；The jacking part may pass through the pad
The jacking through-hole of piece is simultaneously abutted with the vibration isolator；The actuator is for driving the jacking part and shackle member that opposite fortune occurs
It is dynamic.
7. jacking apparatus according to claim 6, it is characterised in that: the shackle member can be with the upper limit of the floating plate
It is overlapping that plate forms dislocation.
8. jacking apparatus according to claim 6 or 7, it is characterised in that: the actuator be oil cylinder comprising cylinder body and
Piston rod；The jacking through-hole of the end size of the piston rod and the gasket is adapted, and forms the jacking part；The clamping
Part is the claw on the cylinder body.
9. jacking apparatus according to claim 8, it is characterised in that: the piston rod of the actuator includes piston bar body
With jacking part；The end of the piston bar body has installation counterbore；The jacking part includes jacking portion and fixed part, described solid
Determine portion to protrude into the installation counterbore, and the outer diameter of fixed part is less than the internal diameter of the installation counterbore；The radial direction of the fixed part
Equipped with the elastic card pin member for being clamped the piston bar body, it is equipped in the installation counterbore and matches with the elastic card pin member
The limiting slot of conjunction.
10. jacking apparatus according to claim 8, it is characterised in that: the claw is detachable structure with the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284385.1A CN109972460A (en) | 2019-04-10 | 2019-04-10 | A kind of floating ballast bed and its jacking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284385.1A CN109972460A (en) | 2019-04-10 | 2019-04-10 | A kind of floating ballast bed and its jacking apparatus |
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| CN109972460A true CN109972460A (en) | 2019-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910284385.1A Pending CN109972460A (en) | 2019-04-10 | 2019-04-10 | A kind of floating ballast bed and its jacking apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112017A (en) * | 2020-10-30 | 2020-12-22 | 温州市淘兄电子科技有限公司 | Repairing device is raised to rail sleeper depth of parallelism |
| WO2022142187A1 (en) * | 2020-12-29 | 2022-07-07 | 浙江天铁实业股份有限公司 | Steel spring vibration isolator pre-buried outer cylinder for floating road bed plate |
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| WO2022142187A1 (en) * | 2020-12-29 | 2022-07-07 | 浙江天铁实业股份有限公司 | Steel spring vibration isolator pre-buried outer cylinder for floating road bed plate |
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