CN108824102A - Combined rubber vibration isolator and its installation method for floating plate track - Google Patents
Combined rubber vibration isolator and its installation method for floating plate track Download PDFInfo
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- CN108824102A CN108824102A CN201811016285.2A CN201811016285A CN108824102A CN 108824102 A CN108824102 A CN 108824102A CN 201811016285 A CN201811016285 A CN 201811016285A CN 108824102 A CN108824102 A CN 108824102A
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- ring skeleton
- locking element
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- floating plate
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
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- Vibration Prevention Devices (AREA)
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Abstract
A kind of combined rubber vibration isolator for floating plate track, is made of upper metalwork, rubber parts, lower metalwork and locking element.Rubber parts have the outer peripheral surface of conical surface shape and the inner peripheral surface of conical surface shape, and the outer peripheral surface and inner peripheral surface of rubber parts are close to metalwork and lower metalwork respectively；Rubber parts include rubber parts ontology, outer ring skeleton, middle ring skeleton and interior ring skeleton, and it is interior and bulk sulfided integral with rubber parts that outer ring skeleton, middle ring skeleton and interior ring skeleton are separately positioned on rubber parts ontology.Locking element sequentially passes through lower metalwork, rubber parts and upper metalwork from bottom to up, and the top of locking element is connect with upper metalwork spiral, and the lower part of locking element is abutted with lower metalwork to be connected.The invention also discloses a kind of installation methods of combined rubber vibration isolator for floating plate track.The configuration of the present invention is simple, is easy to disassembling, assembling and replacing maintenance, and maintenance cost is low.
Description
Technical field
The present invention relates to noise reduction technologies, the more particularly, to rubber shock absorber of floating plate track.
Background technique
Urban track traffic is increasingly becoming public main means of transport, can not while bringing efficiently mode of transportation
Bring the pollution problem of vibration noise with avoiding.At present in the vibration and noise reducing means of urban track traffic industry, floating plate rail
The vibration isolating effect in road is ideal, is widely applied in practical projects.The damping mechanism of floating plate track is mainly benefit
It is with flexible vibration isolator that rail superior portion structure is completely isolated with basis, be at suspended state, thus effectively every
Transmitting of the impact vibration to periphery basis from wheel track.
On the one hand vibration isolator in floating plate track plays bearing railway roadbed, receiving track structure static load and DYNAMIC LOADING OF DRIVING TRAIN ON BRIDGES
Effect, the vibration on the other hand playing the role of being isolated wheel-rail interaction generation is transmitted to basis, in floating plate rail structure
Vibration Absorption Designing in play crucial effect.
Currently, domestic widely used vibration isolator mainly has helical steel springs vibration isolator and two kinds of rubber shock absorber.Spiral
Steel spring vibration isolator is primarily present following deficiency：As the corrosion of metal material, the leakage of damping material and lateral stiffness it is relatively low,
Vertical stiffness adjustment difficulty and standing wave effect etc., involve great expense simultaneously；Water resistance of the rubber shock absorber due to rubber material, viscoelastic
Property and formula adjustability, it is possible to prevente effectively from the disadvantages mentioned above of helical steel springs vibration isolator, and structure is simple, user
Just, it is highly suitable for floating plate track vibration damping.But rubber material under alternate load effect be easy fever generate thermal stress fatigue,
Phenomena such as aging creep, therefore, rubber shock absorber, need periodic maintenance or replacement, so as to cause the increase of follow-up maintenance cost,
Which has limited the popularizations of traditional floating plate rubber shock absorber.
Publication date is that July 29, notification number in 2015 are that one kind is disclosed in the Chinese patent application of CN104805740A
For the rubber shock absorber of orbit traffic floating board railway roadbed vibrating isolation system, which includes upper cover plate, upper iron piece, rubber
Part, lower iron piece, lower seat board, iron core, caging bolt and locking plug screw.The upper cover plate, upper iron piece, rubber parts, lower iron piece, under
Seat board is linked in sequence, wherein upper iron piece and lower iron piece and rubber parts vulcanization are integral, and therefore, whens repair and replacement needs for upper
Ironware, rubber parts and lower iron piece carry out integral replacing maintenance, increase the maintenance cost in later period.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of structure is simple, be easy to disassembling, assembling and replacing maintenance, safeguard at
This low combined rubber vibration isolator for floating plate track.
Another technical problem to be solved by this invention be to provide a kind of combined rubber for floating plate track every
The installation method of vibration device.
The invention adopts the following technical scheme：
A kind of combined rubber vibration isolator for floating plate track, by upper metalwork, rubber parts, lower metalwork and locking
Element composition；Rubber parts are hollow truncated conical configuration, and rubber parts have the outer peripheral surface and the conical surface of conical surface shape
The inner peripheral surface of shape, the outer peripheral surface and inner peripheral surface of rubber parts are close to metalwork and lower metalwork respectively；Rubber parts packet
Rubber parts ontology, outer ring skeleton, middle ring skeleton and interior ring skeleton are included, outer ring skeleton, middle ring skeleton and interior ring skeleton are respectively set
It is in rubber parts ontology and bulk sulfided integral with rubber parts；Outer ring skeleton, middle ring skeleton and interior ring skeleton are in butt respectively
Respectively close to the outer peripheral surface and inner peripheral surface of rubber parts, middle ring skeleton is located at outer ring for cone, outer ring skeleton and interior ring skeleton
Between skeleton and interior ring skeleton；Locking element sequentially passes through lower metalwork, rubber parts and upper metalwork from bottom to up, locking
The top of element is connect with upper metalwork spiral, and the lower part of locking element is abutted with lower metalwork to be connected, the top of locking element
Equipped with tool interconnecting piece, tool interconnecting piece can be connected with external tool, so that external tool can rotate the locking element.
A kind of installation method of the combined rubber vibration isolator for floating plate track, the floating plate track includes floating
Plate and the sleeve being fixed in floating plate, the inner wall of sleeve is circumferentially spaced to be equipped with multiple boss, on a portion boss
Equipped with the jacking threaded hole matched with jacking bolt, another part boss is equipped with installation threaded hole, wherein is used for floating plate
The installation method of the combined rubber vibration isolator of track includes the following steps：
External tool is connected with the tool interconnecting piece of locking element, locking element is turned by external tool, by combined type rubber
The height of glue vibration isolator is adjusted to preset height；
The combined rubber vibration isolator for being tuned into preset height is connected with each other with transition plates is connect with fastening bolt；
Jacking bolt is connected with jacking threaded hole, floating plate is raised to predetermined altitude by being screwed down jacking bolt；
The combined rubber vibration isolator for being mounted with connection transition plates is put into sleeve, and makes to connect the sleeve connection in transition plates
It is aligned with threaded hole with the installation threaded hole on sleeve；
Gradually unscrew jacking bolt, be gradually reduced floating plate, until multiple boss of sleeve compress connection transition plates completely
Upper surface；
Jacking bolt is screwed out out of jacking threaded hole, bolt is screwed on the installation threaded hole on sleeve and connection transition plates
In sleeve connection threaded hole, makes to connect transition plates and sleeve is connected with each other；
Locking element is tightened with external tool, locking element is made to push against lower metalwork；
Insulation cover plate is covered on multiple boss of sleeve.
The present invention has the following advantages that：
Combined rubber vibration isolator according to an embodiment of the present invention by locking element realize upper metalwork, rubber parts and
Lower metalwork is detachably connected.Rubber parts are as an independent component, can be by turning locking after ageing of rubber
Element conveniently and efficiently adjusts the space of upper and lower metalwork, realizes the adjustment of pretightning force, maintains the damping property of vibration isolator, real
Now conveniently later maintenance.Until when needing replacing, rubber parts can be only replaced at the scene, and remaining components still may be used
Continue to use, avoid the occurrence of traditional whole vulcanization rubber shock absorber must integral replacing the phenomenon that, to improve replacement effect
Rate reduces replacement maintenance cost.
Detailed description of the invention
Fig. 1 shows cross-section structure signal of the present invention for one embodiment of combined rubber vibration isolator of floating plate track
Figure.
Fig. 2 shows the diagrammatic cross-sections of elastic rubber according to an embodiment of the invention.
Fig. 3 shows the installation knot of the combined rubber vibration isolator according to an embodiment of the invention for floating plate track
The diagrammatic cross-section of structure.
Fig. 4 shows the schematic top plan view of sleeve according to an embodiment of the invention.
Specific embodiment
Further explanation is made to the present invention with reference to the accompanying drawing.
Fig. 1 shows cross-section structure signal of the present invention for one embodiment of combined rubber vibration isolator of floating plate track
Figure.Fig. 2 shows the diagrammatic cross-sections of elastic rubber according to an embodiment of the invention.Referring to Figure 1 and Fig. 2, according to this
The combined rubber vibration isolator 100 for floating plate track of an embodiment is invented by upper metalwork 1, rubber parts 2, lower gold
Belong to part 3 and locking element 4 forms.
Rubber parts 2 are an independent component, while meeting vertical stiffness, can provide certain radial direction just
Degree.Rubber parts 2 are hollow truncated conical configuration, and rubber parts 2 have the outer peripheral surface 2a and conical surface shape of conical surface shape
Inner peripheral surface 2b, the outer peripheral surface 2a and inner peripheral surface 2b of rubber parts 2 be close to metalwork 1 and lower metalwork 3 respectively.
Rubber parts 2 include rubber parts ontology 21, outer ring skeleton 22, middle ring skeleton 23 and interior ring skeleton 24, outer ring bone
Frame 22, middle ring skeleton 23 and interior ring skeleton 24 are separately positioned in rubber parts ontology 21 and are sulfided into one with rubber parts ontology 21
Rubber parts ontology 21 is divided into four layers by body.The both ends of rubber parts ontology 21 are respectively equipped with step, empty to reserve sufficient deformation
Between, the vertical stiffness of rubber parts is effectively reduced.In the present embodiment, outer ring skeleton 22, middle ring skeleton 23 and interior ring skeleton
24 be metallic framework, and more specifically, the material of metallic framework is iron.
Outer ring skeleton 22, middle ring skeleton 23 and the difference of interior ring skeleton 24 are in the form of a truncated cone.Outer ring skeleton 22 and inner ring bone
Outer peripheral surface 2a and inner peripheral surface 2b of the frame 24 respectively close to rubber parts 2.In the present embodiment, the outer peripheral surface of rubber parts 2
The inner peripheral surface 2b of rubber layer and rubber parts 2 between 2a and the lateral surface of outer ring skeleton 22 is interior with interior ring skeleton 24
The thickness of rubber layer between side is all larger than equal to 1.8mm and is less than or equal to 2.2mm（Preferably 2mm）, so that it is guaranteed that rubber
Elastomer 2 and upper metalwork 1 and lower metalwork 3 fit closely, while directly contacting for skeleton and external environment is isolated, and have
Effect prevents the corrosion of metallic framework, improves the storage service life of rubber elastomer.
Middle ring skeleton 23 is between outer ring skeleton 22 and interior ring skeleton 24.The intermediate position of the side of middle ring skeleton 23 is equal
Multiple circular through holes are disposed with, evenly in order to vulcanize construction.Optionally, the quantity of circular through hole is six.
Interior ring skeleton 24 includes roof 241 and the peripheral side wall 242 extended downwardly from the periphery of roof 241, inner ring bone
The roof 241 of frame 24 is equipped with the central through hole 240 passed through for locking element 4, the central through hole of the roof 241 of interior ring skeleton 24
There is gap between 240 inner wall and the side of locking element 4.
It is preferred that the inner peripheral surface 2b of the outer peripheral surface 2a of rubber parts 2, rubber parts 2, outer ring skeleton 22, middle ring
Skeleton 23 is consistent with the taper of interior ring skeleton 24.The thickness of rubber layer between outer ring skeleton 22 and middle ring skeleton 23 is equal to inner ring
The thickness of rubber layer between skeleton 24 and middle ring skeleton 23.
Retaining mechanism 4 is metal club.Locking element 4 sequentially passes through lower metalwork 3, rubber parts 2 from bottom to up
With upper metalwork 1, the top of locking element 4 is connect with upper 1 spiral of metalwork, and the lower part of locking element 4 is abutted with lower metalwork 1
It is connected, the top of locking element 4 is equipped with tool interconnecting piece 45, and tool interconnecting piece 45 can be connected with external tool, so that external
Tool can rotate（It tightens or unscrews）The locking element 4.
In the present embodiment, the peripheral side wall that upper metalwork 1 has roof 11 and extends downwardly from the periphery of roof 11
12, roof 11 and peripheral side wall 12 limit downwardly open conical cavity 10 jointly, and rubber is close in the side of conical cavity 10
The outer peripheral surface of elastomer 2.
The center of roof 11 is equipped with tapped through hole 110, and the top of locking element 4 is equipped with thread segment 41, thread segment 41 with it is upper
110 spiral of tapped through hole of metalwork 1 connects.Threaded connection to ensure retaining mechanism is more efficient, and the bottom surface of roof 11 is set
There is the boss 112 extended downwardly, the lower ending opening of tapped through hole 110 is in the top surface of boss 112.In the present embodiment, outside
Portion's tool be external hexagonal sleeve, tool interconnecting piece 45 be protrusion be arranged among the top surface of thread segment 41, simultaneously and external hexagonal sleeve
The outer-hexagonal protrusion matched.In other embodiments, tool interconnecting piece 45 is also possible to Hexagon hole.
The bottom of the side of the conical cavity 10 of upper metalwork 1 offers ring-shaped step 13.The lower end of outer ring skeleton 22
With the annular flange 223 extended horizontally outward, annular flange 223 against upper metalwork 1 ring-shaped step 13, so as to mention
The fitness of high rubber elastomer 2 and upper metalwork 1, the transition sliding of metalwork 1, increases the vertical of rubber shock absorber in limitation
Stability.
Lower metalwork 3 includes lower metalwork ontology 31 and the ring extended horizontally outward from the lower end of lower metalwork ontology 31
Shape base portion 32.In the form of a truncated cone, the lateral surface of lower metalwork ontology 31 is close to rubber parts 2 to lower metalwork ontology 31
Inner peripheral surface.Lower metalwork ontology 31 has a central through hole 310 penetrated for locking element 4, the central through hole of lower metalwork 3
310 be step through-hole, and step through-hole 310 includes pore 3101 and the gross porosity 3102 positioned at 3101 lower section of pore, pore 3101 with
Annular step surface 3103 is formed between gross porosity 3102.
The lower end of locking element 4 has the annular flange 43 extended horizontally outward, the annular flange 43 of locking element 4
Outer diameter is greater than the aperture of pore 3101, and the height of the annular flange 43 of locking element 4 is less than the height of gross porosity 3102, locking element
Annular step surface 3103 of 4 annular flange 43 against step through-hole.Preferably, the annular flange 43 of locking element 4 at least exists
Vulcanization has one layer of hard elastomer on the contact surface being in contact with annular step surface 3103.The material of hard elastomer is polyethylene or Buddhist nun
Dragon etc..In example in figure, the whole surface of annular flange 43, which vulcanizes, hard elastomer 44.Using one side of hard elastomer layer
Face can substantially deform to avoid unexpected overload bring, protect the safe operation of vibrating isolation system steady operation and train, another party
Face, and the rigid shock of vibration isolator and mounting surface can be buffered, improve the service life of floating plate track.
In the present embodiment, the material of upper metalwork 1 and lower metalwork 3 is iron.
The prepackage group process of combined rubber vibration isolator according to an embodiment of the invention for floating plate track is：It is first
Lower metalwork 3 is first lain against into station, successively rubber elastomer 2 is buckled on lower metalwork 3, upper metalwork 1 is buckled in rubber
On elastic component 2, so that interior ring skeleton 24 and outer ring skeleton 22 in rubber parts 2 outside with lower metalwork ontology 31 respectively
The side of the conical cavity 10 of face and upper metalwork 1 is closely connected, and locking element 4 sequentially passes through lower gold from the bottom of lower metalwork 3
Belong to the central through hole of part 3 and rubber parts 2, the tapped through hole 110 of metalwork 1 in arrival.Locking is turned by external tool
Element 4, so that the top surface of 4 lower end hard elastomer layer of locking element is contacted with the annular step surface 3103 of lower metalwork 3, at this point,
Apply corresponding load for upper metalwork 1 according to requirements, promotes upper metalwork 1, rubber parts 2 and locking element 4
Deformation downwards, continues to turn locking element 4, until the annular of the top surface of locking element lower end hard elastomer layer and lower metalwork 3
Step surface 3103 is contacted again, and after unloading, i.e. completion vibration isolator is pre-assembled.
Please refer to Fig. 3 and Fig. 4.Floating plate track includes floating plate 5 and the sleeve being fixed in floating plate 56, sleeve 6
Inner wall it is circumferentially spaced be equipped with multiple boss 61, a portion boss be equipped with and jacking bolt（It is not shown in the figure）Match
The jacking threaded hole 611 of conjunction, another part boss are equipped with installation threaded hole 612.In the example of fig. 4, sleeve 6 is equally spaced
If two of them boss is equipped with jacking threaded hole 611 there are four boss 61, another two boss is equipped with installation threaded hole 612.
The installation method of combined rubber vibration isolator according to an embodiment of the invention for floating plate track include with
Lower step：
A, external tool is connected with the tool interconnecting piece 45 of locking element 4, locking element 4 is turned by external tool, by group
The height of combined rubber vibration isolator 100 is adjusted to preset height；The preset height may be configured as completeer than combined rubber vibration isolator 100
It is slightly higher at finally formed mounting height after the installation with floating plate 5（Such as high 1mm-2mm）, in this case quite
In being applied with certain precompression to combined rubber vibration isolator 100, the lifting so as to the floating plate 5 after reducing is high
Degree；
B, the combined rubber vibration isolator for being tuned into preset height is connected with each other with fastening bolt 71 with transition plates 8 is connect, is made
The tool interconnecting piece 45 of locking element 4 protrudes into the through-hole 80 of connection transition plates 8；
C, jacking bolt is connected with jacking threaded hole 611, floating plate 5 is raised to predetermined height by being screwed down jacking bolt
Degree；As long as the predetermined altitude, which enables, is mounted with that the combined rubber vibration isolator 100 of connection transition plates 8 is put into sleeve from below
In 6；
D, the combined rubber vibration isolator for being mounted with connection transition plates 8 is put into the sleeve 6, and makes to connect in transition plates 8
Sleeve connection threaded hole 82 be aligned with the installation threaded hole 612 on sleeve；
E, gradually unscrew jacking bolt, be gradually reduced floating plate 5, until multiple boss 61 of sleeve 6 compress connected completely
The upper surface of cab apron 8；
F, jacking bolt is screwed out out of jacking threaded hole 611, by the installation threaded hole 612 on the screw-in sleeve 6 of bolt 73 and even
Sleeve connection on cab apron is taken over in threaded hole 82, making to connect transition plates 8 and sleeve 6 is connected with each other；
G, locking element 4 is tightened with external tool, locking element 4 is made to push against lower metalwork 3；It more specifically, is to make locking member
The top surface of 4 lower end hard elastomer layer of part pushes against the annular step surface 3103 of lower metalwork 3；
H, insulation cover plate 9 is covered on multiple boss 61 of sleeve 6.
It the maintenance of combined rubber vibration isolator 100 according to an embodiment of the invention for floating plate track and replaced
Journey approximately as.
With the aging creep of combined rubber vibration isolator, locking element 4 is inspected periodically, and is adjusted to suitably pre-tighten
Power.When replacing rubber parts 2, first floating plate 5 is lifted with jacking bolt, then the bolt 73 on loose unloading sleeve 6, taking-up group
Combined rubber vibration isolator 100 with connect transition plates 8, then successively unclamp connection transition plates 8, locking element 4, upper metalwork 1, more
Rubber parts 2 are changed, according to the pre-assembled and installation process of vibration isolator, complete the scene replacement of rubber parts 2.
The rubber parts 2 of rubber shock absorber according to an embodiment of the invention are independent component, convenient for safeguarding and more
It changes, reduces maintenance cost.
In the application, the orientation or positional relationship of the instructions such as "upper", "lower" is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Claims (10)
1. a kind of combined rubber vibration isolator for floating plate track, which is characterized in that the combined rubber vibration isolator
It is made of upper metalwork, rubber parts, lower metalwork and locking element；
The rubber parts are hollow truncated conical configuration, and rubber parts have the outer peripheral surface and conical surface shape of conical surface shape
Inner peripheral surface, the outer peripheral surface and inner peripheral surface of rubber parts be close to the upper metalwork and the lower metalwork respectively；Rubber bullet
Property part includes rubber parts ontology, outer ring skeleton, middle ring skeleton and interior ring skeleton, the outer ring skeleton, middle ring skeleton and inner ring
It is interior and bulk sulfided integral with rubber parts that skeleton is separately positioned on the rubber parts ontology；Outer ring skeleton, middle ring skeleton and interior
Ring skeleton respectively in the form of a truncated cone, outer ring skeleton and interior ring skeleton respectively close to rubber parts outer peripheral surface and inner peripheral surface,
Middle ring skeleton is between outer ring skeleton and interior ring skeleton；
The locking element sequentially passes through lower metalwork, rubber parts and upper metalwork, the top of locking element from bottom to up
It is connect with the upper metalwork spiral, the lower part of locking element is abutted with lower metalwork to be connected, and the top of locking element is equipped with work
Has interconnecting piece, the tool interconnecting piece can be connected with external tool, so that the external tool can rotate the locking element.
2. being used for the combined rubber vibration isolator of floating plate track as described in claim 1, which is characterized in that the rubber bullet
The property outer peripheral surface of part, the inner peripheral surface of the rubber parts, the outer ring skeleton, the middle ring skeleton and the interior ring skeleton
Taper is consistent.
3. being used for the combined rubber vibration isolator of floating plate track as claimed in claim 1 or 2, which is characterized in that the rubber
The inner peripheral surface of rubber layer and the rubber parts between the outer peripheral surface of elastomer and the lateral surface of the outer ring skeleton
The thickness of rubber layer between the medial surface of the interior ring skeleton is all larger than equal to 1.8mm and is less than or equal to 2.2mm.
4. being used for the combined rubber vibration isolator of floating plate track as described in claim 1, which is characterized in that the upper metal
The peripheral side wall that part has roof and extends downwardly from the periphery of the roof, the roof limit jointly with the peripheral side wall
The conical cavity of under shed is oriented, the outer peripheral surface of the rubber parts is close in the side of the conical cavity；
The center of the roof is equipped with tapped through hole, and the top of the locking element is equipped with thread segment, the thread segment with it is described
The tapped through hole spiral of upper metalwork connects.
5. being used for the combined rubber vibration isolator of floating plate track as claimed in claim 4, which is characterized in that the upper metal
The bottom of the side of the conical cavity of part offers ring-shaped step；
The lower end of the outer ring skeleton has the annular flange extended horizontally outward, and the annular flange is against the upper metal
The ring-shaped step of part.
6. being used for the combined rubber vibration isolator of floating plate track as described in claim 1, which is characterized in that the outside
Tool is external hexagonal sleeve, the tool interconnecting piece be protrusion be arranged among the top surface of the thread segment, and and outer-hexagonal
The outer-hexagonal protrusion that sleeve matches.
7. being used for the combined rubber vibration isolator of floating plate track as described in claim 1, which is characterized in that the lower metal
Part includes lower metalwork ontology and the annular base portion that extends horizontally outward from the lower end of the lower metalwork ontology；Described
In the form of a truncated cone, the lateral surface of lower metalwork ontology is close to the inner peripheral surface of the rubber parts to lower metalwork ontology；Lower gold
Belonging to part ontology has a central through hole penetrated for the locking element, and the central through hole of lower metalwork is step through-hole,
The step through-hole includes pore and the gross porosity below the pore, and annular step surface is formed between pore and gross porosity；
The lower end of the locking element has the annular flange that extends horizontally outward, the annular flange of locking element it is outer
Diameter is greater than the aperture of the pore, and the height of the annular flange of locking element is less than the height of the gross porosity, locking element
The annular flange against the step through-hole annular step surface.
8. being used for the combined rubber vibration isolator of floating plate track as claimed in claim 7, which is characterized in that the locking member
The annular flange of part vulcanizes at least on the contact surface being in contact with the annular step surface one layer of hard elastomer.
9. being used for the combined rubber vibration isolator of floating plate track as described in claim 1, which is characterized in that the inner ring bone
Frame includes roof and the peripheral side wall that extends downwardly from the periphery of the roof, described in the roof of the interior ring skeleton is equipped with and supplies
The central through hole that locking element passes through has between the inner wall of the central through hole of the roof of interior ring skeleton and the side of locking element
Gap.
10. the installation method for the combined rubber vibration isolator of floating plate track as described in claim 1, the floating plate
Track includes floating plate and the sleeve that is fixed in the floating plate, the inner wall of the sleeve is circumferentially spaced be equipped with it is multiple convex
Platform, a portion boss are equipped with the jacking threaded hole matched with jacking bolt, and another part boss is equipped with installation spiral shell
Pit, which is characterized in that the installation method of the combined rubber vibration isolator for floating plate track includes the following steps：
External tool is connected with the tool interconnecting piece of locking element, locking element is turned by external tool, by the combination
The height of formula rubber shock absorber is adjusted to preset height；
The combined rubber vibration isolator for being tuned into preset height is connected with each other with transition plates is connect with fastening bolt；
Jacking bolt is connected with jacking threaded hole, floating plate is raised to predetermined altitude by being screwed down jacking bolt；
The combined rubber vibration isolator for being mounted with connection transition plates is put into the sleeve, and makes to connect the sleeve in transition plates
Connection is aligned with threaded hole with the installation threaded hole on sleeve；
Gradually unscrew jacking bolt, be gradually reduced floating plate, until multiple boss of sleeve compress connection transition plates completely
Upper surface；
Jacking bolt is screwed out out of jacking threaded hole, bolt is screwed on the installation threaded hole on sleeve and connection transition plates
In sleeve connection threaded hole, makes to connect transition plates and sleeve is connected with each other；
Locking element is tightened with external tool, locking element is made to push against lower metalwork；
Insulation cover plate is covered on multiple boss of sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811016285.2A CN108824102A (en) | 2018-09-02 | 2018-09-02 | Combined rubber vibration isolator and its installation method for floating plate track |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811016285.2A CN108824102A (en) | 2018-09-02 | 2018-09-02 | Combined rubber vibration isolator and its installation method for floating plate track |
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| CN108824102A true CN108824102A (en) | 2018-11-16 |
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| CN201811016285.2A Pending CN108824102A (en) | 2018-09-02 | 2018-09-02 | Combined rubber vibration isolator and its installation method for floating plate track |
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| CN201461844U (en) * | 2009-06-30 | 2010-05-12 | 武汉船舶设计研究所 | Metal rubber vibration isolator |
| CN103938505A (en) * | 2014-04-15 | 2014-07-23 | 衡水中铁建工程橡胶有限责任公司 | Rubber vibration isolator easy to replace for rail transit floating slab and replacement method of rubber vibration isolator |
| CN104762853A (en) * | 2015-04-29 | 2015-07-08 | 中铁二院工程集团有限责任公司 | Rubber vibration isolator for floating slab track |
| CN205062583U (en) * | 2015-08-31 | 2016-03-02 | 易科路通轨道设备有限公司 | Light -duty jacking isolator outer sleeve |
| CN105697255A (en) * | 2016-04-11 | 2016-06-22 | 江苏科技大学 | Electromagnetic rubber compound vibration reducer with power generation function |
| CN105821722A (en) * | 2016-05-27 | 2016-08-03 | 江苏远兴环保科技有限公司 | Screw damper and floating slab track system and jacking device and method thereof |
| CN208701425U (en) * | 2018-09-02 | 2019-04-05 | 中国船舶重工集团公司第七一一研究所 | Combined rubber vibration isolator for floating plate track |
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