CN110373958A - A kind of Damping fastening system - Google Patents
A kind of Damping fastening system Download PDFInfo
- Publication number
- CN110373958A CN110373958A CN201811283604.6A CN201811283604A CN110373958A CN 110373958 A CN110373958 A CN 110373958A CN 201811283604 A CN201811283604 A CN 201811283604A CN 110373958 A CN110373958 A CN 110373958A
- Authority
- CN
- China
- Prior art keywords
- backing plate
- elastic layer
- hole
- fastening system
- damping fastening
- 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
- 238000013016 damping Methods 0.000 title claims abstract description 68
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 2
- 230000001629 suppression Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 96
- 238000010586 diagram Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 11
- 238000009434 installation Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 6
- 238000005266 casting Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 241001669679 Eleotris Species 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004073 vulcanization 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
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/62—Rail fastenings incorporating resilient supports
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
- E01B9/685—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by their shape
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
It from top to bottom successively include elastic cushion (6), the first backing plate (5), the first elastic layer (4), the second backing plate (3) under rail the invention discloses the Damping fastening system；The Damping fastening system includes the second elastic layer (2), support column (7), connector sleeve (9) and anchor bolt (12), and second elastic layer (2) is located on the downside of the second backing plate (3)；The support column (7) cooperates with connector sleeve (9) links together the first backing plate (5), the first elastic layer (4), the second backing plate (3) and the second elastic layer (2), and Damping fastening system is fastened on railway roadbed by the anchor bolt (12)；The present invention proposes a kind of high Damping fastening based on compression-type, lower vertical stiffness is obtained, to reach higher effectiveness in vibration suppression so that elastic layer forms cascade using backing plate and elastic layer interval set-up mode；Meanwhile rail can directly fall within ground, guarantee safety in utilization, receive popularization using market.
Description
Technical field
The invention belongs to field of track traffic, are related to a kind of Damping fastening system.
Background technique
Environmental problem caused by Wheel Rail Vibration is to influence one of the main problem of Urban Rail Transit Development, rail dampener
I.e. Damping fastening is one of the main vibration reducing measure that current track system uses.Compared to need to be placed in inside concrete foundation
Railway roadbed vibration damping, sleeper vibration reducing measure, fastener vibration reducing measure have obvious in terms of construction cost, construction convenient degree, replacement maintenance
Advantage.
Common Damping fastening and medium Damping fastening are quickly grown at present, are widely used.Common Damping fastening generallys use
Single layer backing plate form provides elasticity by elastic cushion under elastic cushion under rail and plate jointly, backing plate by railway spike be fixed on sleeper or
On railway roadbed.When the problem of this fastener is actual track installation, constructor is to guarantee that railway spike is often twisted to obtain mistake by line security
Tightly, so that elastic cushion follows the string under plate, vibration-damping function is substantially reduced, while the cross shear of railway spike is larger.
Presently the most the most commonly used is the double-deck nonlinear vibration reduction fasteners in medium Damping fastening, by the double-deck backing plate and the double-deck bullet
Property pad composition, it is ensured that middle spring pad gives full play to function, while coupling plate is arranged in fastener bottom, can substantially reduce railway spike cross
To shearing force.The also bonding shearing-type fastener for belonging to medium vibration damping, by elastic layer by two layers of backing plate bonding by Vulcanization, but it is viscous
Connecing property fastener easily because caused by elastic layer aging fastener disengage, safety is lower.In addition there are medium Damping fastening, there are also anticreeps
The diversified forms such as property adhesion type fastener.
For fastener system, its own vertical stiffness is lower, and vibration isolating effect is better.The current common double-deck backing plate vibration damping is buckled
The structures such as part (CN2630303Y, CN205134109U, CN203755094U), although and being set using elastic layer with backing plate interval
The damping mode set, but to guarantee spring transformation safe, the rigidity of elastic layer will usually reach 40kN/mm or more under rail；And
For the service life for guaranteeing elastic layer, the rigidity of center elastomeric layer is also impossible to infinitely reduction, and (deformation is excessive to will lead to elastic layer aging
Fatigue is accelerated, and the service life is unable to reach requirement), under dual limitation, which at most can only achieve medium effectiveness in vibration suppression.
It is limited by the common Damping fastening (vertical stiffness 40-200kN/mm) of above-mentioned reason and medium Damping fastening (15-
High vibration damping amount (10-15dB) 40KN/mm) has been unable to satisfy to require.Therefore low vertical stiffness rail fastening in recent years by
More and more concerns.
Domestic and international existing high Damping fastening is only pioneer's fastener of Pan Delu company, Britain production
(WO2005009817) and the floating rail fastener (201110351159.4) of Luoyang Shuangrui Rubber and Plastic Science Co., Ltd.This two
The structure type for being supported rail from the web of the rail is all made of in patent, so that steel rail suspending is above track, to obtain
Obtain lower vertical stiffness.But the type fastener need to be installed online using specific purpose tool, and components used are difficult to and other
Fastener is unified, and installation maintenance is inconvenient, and the supporting way of steel rail suspending is from the point of view of estimating angle in addition, when broken rail situation occurs
Safety not can guarantee, therefore the acceptance level in market is lower.
By analyzing above, it can be seen that although current common common Damping fastening, medium Damping fastening be widely used,
Various structures, but cannot achieve the requirement of high vibration damping；And though steel rail suspending formula support fastener is able to achieve high vibration damping, due to
Market acceptance level is low, using being significantly restrained, high or special vibration damping section is caused to have to using railway roadbed cushion blocking, steel
The vibration reducing measure at high cost, long in time limit, maintenance replacement is difficult such as spring floating plate, causes inconvenience.
In view of this, proposing the present invention.
Summary of the invention
The purpose of the present invention is to provide a kind of Damping fastening systems, to solve the above problems.
In order to realize the goal of the invention, the present invention adopts the following technical scheme:
A kind of Damping fastening system, the Damping fastening system from top to bottom successively include rail under elastic cushion, the first backing plate,
First elastic layer, the second backing plate；The Damping fastening system includes the second elastic layer, support column, connector sleeve and anchor bolt, institute
The second elastic layer is stated to be located on the downside of the second backing plate；The support column and connector sleeve cooperate the first backing plate, the first elastic layer, second
Backing plate and the second elastic layer link together, and Damping fastening system is fastened on railway roadbed by the anchor bolt.
Preferably, the support column includes cylinder, and described cylinder one end is equipped with bottom plate, and the other end is socketed with connector sleeve；Institute
It states bottom plate to match with the second elastic layer, the connector sleeve is withheld on the first backing plate.
Preferably, second backing plate is equipped with fourth hole, installs support column in the fourth hole；The four-way
Hole shape is consistent with base plate configuration, and the bottom plate can pass through fourth hole, and after rotating by a certain angle, with the second backing plate
Mutually it is clamped.
Preferably, second elastic layer is equipped with the 8th through-hole, and the 8th through-hole is in second backing plate one end
Wall is equipped with card mat, and the 7th through-hole, the fourth hole on the 7th through-hole and second backing plate are formed between the card mat
It is corresponding, and shape is consistent.
Preferably, the 8th through-hole, which is located on the downside of card mat, forms accommodating chamber, and the bottom plate on the support column is installed completely
In in accommodating chamber.
Preferably, second backing plate surface adjacent with the first elastic layer is equipped with the first positioning protrusion；Described first
Elastic layer is equipped with first positioning hole, and the first positioning hole is matched with the first positioning protrusion.
Preferably, second backing plate 3 surface adjacent with the second elastic layer be equipped with the second positioning protrusion, described second
Elastic layer is equipped with second location hole, and the second location hole is matched with the second positioning protrusion on the second backing plate.
Preferably, first positioning protrusion, the second positioning protrusion are linked together with the second backing plate by welding.
Preferably, first positioning protrusion, the second positioning protrusion are square steel block.
Preferably, under the rail elastic cushion be equipped with curved portion, the connector sleeve be equipped with buckle, the buckle withhold in
On first backing plate；The curved portion is matched with the buckle shape of connector sleeve.
Beneficial effect
A kind of Damping fastenings such as new structure height proposed by the invention do not use existing suspension support structure,
Lower vertical stiffness is obtained in such a way that multilayer elastic layer couples, to obtain good vibration damping and vibration isolation effect, while big
It is big to improve line security.
The present invention proposes a kind of high Damping fastening based on compression-type, using backing plate and elastic layer interval set-up mode,
So that elastic layer forms cascade, lower vertical stiffness is obtained, thus reach higher effectiveness in vibration suppression, meanwhile, rail can
Ground is directly fallen within, guarantees safety in utilization, receives popularization using market.
In the present invention, although being additionally arranged one layer of elastic layer, mounting height can increased relative to common Damping fastening, can
Lateral stability can be caused to reduce, but fastener can be arranged the modes such as shoulder block and eliminate this influence by mechanical connection manner.Separately
Outside, the second backing plate in the present invention selects the steel plate of conventional specification, and thickness is much smaller than the backing plate of casting and forming, although being additionally arranged
One layer of elastic layer, but the second plate thickness reduces, to make the height of Damping fastening system of the present invention slightly larger than common vibration damping button
Part or the medium Damping fastening system of multilayer, to ensure the lateral stability of fastener system.In addition, backing plate quantity and the elastic number of plies
It measures not The more the better, it is contemplated that the set-up mode of track installation requirement for height, two layers of backing plate and three layers of elastic layer is to meet
Attainable maximum cascading effect in the case of track installation requirement for height.
The present invention has new technical effect relative to conventional fastener, and the second backing plate is in vertical direction equal elasticity layer up and down
Setting, therefore the second backing plate can be used as mass block, it is vertical, lateral to have certain rigidity, it can be considered spring-quality system, it can
As individual resonator system；Second backing plate, which can according to need, is set as continuous one block of plate, can also be divided into discontinuous more
Block plate, the frequency band different to resonance, the adaptability of fastener system are improved.This has the technical effect that currently common vibration damping
All do not have with medium Damping fastening.
Detailed description of the invention
Fig. 1 is Damping fastening overall system architecture schematic diagram of the present invention；
Fig. 2 is cross-sectional view of the Fig. 1 along the direction B-B；
Fig. 3 is the structural schematic diagram of the support column of fastener system of the present invention；
Fig. 4 is the first viewing angle constructions schematic diagram of the connector sleeve of fastener system of the present invention；
Fig. 5 is the second viewing angle constructions schematic diagram of the connector sleeve of fastener system of the present invention；
Fig. 6 be fastener system of the present invention rail under elastic cushion structural schematic diagram；
Fig. 7 is the structural schematic diagram of the first backing plate of fastener system of the present invention；
Fig. 8 is the structural schematic diagram of the first elastic layer of fastener system of the present invention；
Fig. 9 is a kind of structural schematic diagram of the second backing plate of fastener system of the present invention；
Figure 10 is the first visual angle schematic diagram of another structure of the second backing plate of fastener system of the present invention；
Figure 11 is the second visual angle schematic diagram of another structure of the second backing plate of fastener system of the present invention；
Figure 12 is the third visual angle schematic diagram of another structure of the second backing plate of fastener system of the present invention；
Figure 13 is the first viewing angle constructions schematic diagram of the second elastic layer of fastener system of the present invention；
Figure 14 is the second viewing angle constructions schematic diagram of the second elastic layer of fastener system of the present invention；
Figure 15 is the operation principle schematic diagram of fastener system of the present invention.
Description of symbols
Further clearly to illustrate the connection relationship between structure of the invention and each component, the following drawings mark is given
Note, and be illustrated.
Coupling backing plate 1, the second elastic layer 2, the 7th through-hole 2.1, second location hole 2.2, the 8th through-hole 2.3, card mat 2.4,
Accommodating chamber 2.5, the second backing plate 3, fourth hole 3.1, fifth hole 3.2, the first positioning protrusion 3.3, the second positioning protrusion 3.4,
First elastic layer 4, the 6th through-hole 4.1, first positioning hole 4.2, the first backing plate 5, rail connector 5.1, third through-hole 5.2, rail
Lower elastic cushion 6, curved portion 6.1, support column 7, first through hole 7.1, cylinder 7.2, end 7.3, bottom plate 7.4, rail 8, connector sleeve
9, buckle 9.1, sleeve 9.2, lock tongue 9.3, the second through-hole 9.4, cover board 10, washer 11, anchor bolt 12, T-bolt 13, fastening
Nut 14.
Description of symbols through the above attached drawings can be more clearly understood and illustrate this hair in conjunction with the embodiment of the present invention
Bright technical solution.
Specific embodiment
The present invention is illustrated with reference to the drawings and specific embodiments:
As shown in Figure 1, a kind of Damping fastening system, as shown in Figure 1, the Damping fastening system includes elastic layer and pad
Plate, the elastic layer include elastic cushion 6 under rail, the first elastic layer 4 and the second elastic layer 2；The backing plate include the first backing plate 5,
Second backing plate 3.The elastic layer is prepared using rubber, polyurethane elastomeric materials；Metal, nonmetallic materials can be used in the backing plate
Production；Hardness, the density of the backing plate the selection of material are all larger than the respective attributes of the used material of elastic layer.It is elastic under the rail
Pad 6, the first backing plate 5, the first elastic layer 4, the second backing plate 3, the second elastic layer 2 are from top to bottom successively disposed adjacent, to make bullet
Property layer is intervally arranged with backing plate.Coupling backing plate 1 is equipped on the downside of second elastic layer 2.First backing plate 5 is equipped with and rail
The rail connector 5.1 of connection, as shown in Fig. 2, the rail connector 5.1 is designed according to line requirements, it is each to be applicable in
Type spring, such as " e " type spring, " w " type spring etc., thus fixed rail 8." w " type spring is set as in the present embodiment, it is described
T-bolt 13 is installed, the screw head and rail connector 5.1 of the T-bolt 13 cooperate, the T-type spiral shell on rail connector 5.1
The stud of bolt 13 stretches out spring, is equipped with fastening nut 14 on extension end, tightens fastening nut 14, " w " type spring is fixed
In on rail connector 5.1.
8 foot of rail is contacted with elastic cushion 6 under rail.The Damping fastening system include support column 7, connector sleeve 9 and
Anchor bolt 12, the support column 7 cooperates with connector sleeve 9, by the first backing plate 5, the first elastic layer 4, the second backing plate 3 and the second bullet
Property layer 2 is connected as one.Cover board 10 is installed on the connector sleeve 9, the anchor bolt 12 passes through cover board 10 and support column 7,
By the first backing plate 5, the first elastic layer 4, the second backing plate 3 and the second elastic layer 2, Damping fastening system is fixed on railway roadbed.Institute
It states and is equipped with washer 11 between cover board 10 and anchor bolt 12.As shown in figure 3, the support column 7 includes cylinder 7.2, the cylinder
7.2 one end are equipped with end 7.3, and the other end is equipped with bottom plate 7.4.Preferably, the sectional dimension of the end 7.3 is greater than cylinder 7.2
Sectional dimension.Preferably, the sectional dimension of the bottom plate 7.4 is greater than the sectional dimension of the end 7.3.The support column 7
It is equipped with first through hole 7.1, the first through hole 7.1 runs through end 7.3, cylinder 7.2 and bottom plate 7.4.The bottom plate 7.4 is in length
It is round.As shown in fig. 4-5, the connector sleeve 9 includes sleeve 9.2, and the sleeve 9.2 is equipped with the second through-hole 9.4, the set
One end of cylinder 9.2 is equipped with buckle 9.1 on the outside of the second through-hole 9.4, and the other end of the sleeve 9.2 is in 9.4 inside of the second through-hole
Equipped with lock tongue 9.3.First backing plate 5, the first elastic layer 4, the second backing plate 3 and the second elastic layer 2 are from top to bottom installed on branch
On dagger 7, and the end of support column 7 7.3 is installed in the second through-hole 9.4 of connector sleeve 9, rotates connector sleeve 9, the connection
The end face for covering the lock tongue 9.3 of 9 ends and the end 7.3 of support column 7 matches, and connector sleeve 9 and support column 7 are linked together,
The first backing plate 5, the first elastic layer 4, the second backing plate 3 and the second elastic layer 2 are fixedly connected.
As shown in fig. 6, elastic cushion 6 is equipped with curved portion 6.1, the buckle of the curved portion 6.1 and connector sleeve 9 under the rail
9.1 shapes match, to avoid buckle 9.1.
As shown in fig. 7, first backing plate 5 is equipped with third through-hole 5.2, the third through-hole 5.2 and rail connector
5.1 are located at two groups of diagonal positions of rectangle.
As shown in figure 8, first elastic layer 4 is equipped with the 6th through-hole 4.1, the 6th through-hole 4.1 and the first backing plate 5
On third through-hole 5.2 it is corresponding.First elastic layer 4 is equipped with first positioning hole 4.2, the first positioning hole 4.2 with
Third through-hole 5.2 is located at two groups of diagonal positions of rectangle.Preferably, the first positioning hole 4.2 is square through hole.
As shown in Fig. 9-Figure 12, second backing plate 3 is equipped with fourth hole 3.1, the fourth hole 3.1 and the first pad
The 6th through-hole 4.1 on third through-hole 5.2 and the first elastic layer 4 on plate 5 is corresponding.The fourth hole 3.1 is in oval
Shape, shape and the shape of the bottom plate 7.4 on support column 7 match.Preferably, second backing plate 3 and 4 phase of the first elastic layer
Adjacent surface is equipped with the first positioning protrusion 3.3, the first positioning hole on first positioning protrusion 3.3 and the first elastic layer 4
4.2 match, and install in first positioning hole 4.2, to limit to the first elastic layer 4, the first elastic layer 4 are avoided to move
It is dynamic.Preferably, second backing plate 3 surface adjacent with the second elastic layer 2 be equipped with the second positioning protrusion 3.4, described second
Positioning protrusion 3.4 is corresponding with 3.3 position of the first positioning protrusion.Preferably, the positioning of the first positioning protrusion 3.3, second is prominent
3.4 are played in a ring, in 3.4 ring-shaped inner part of 3.3 ring-shaped inner part of the first positioning protrusion and the second positioning protrusion on second backing plate 3
Equipped with fifth hole 3.2.In the present embodiment, second backing plate 3 selects the steel plate of existing conventional specification, is directly stamped and formed out
Through-hole, by square steel block and steel plate by being welded to connect one, to form the first positioning protrusion 3.3, the second positioning protrusion 3.4.
Fifth hole 3.2 is set in the present embodiment, is conducive to for square steel block being welded as a whole with steel plate.The steel plate thickness of conventional specification is
5mm, compared to the backing plate of casting and forming, thickness reduces；Selected steel plate thickness is compared to casting backing plate in the present embodiment
Thickness is reduced, but the stiffness effect of contacting piece system is negligible.The existing conventional specification selected in the present embodiment
Steel plate after punch forming, then square steel block is welded as a whole with steel plate, can reduce the thickness of the second backing plate 3, and effectively avoid
Using the brought defect of casting technique, simplifies technique, reduce cost.
Such as Figure 13-Figure 14, second elastic layer 2 is equipped with the 8th through-hole 2.3, second location hole 2.2.Described 8th is logical
On hole 2.3 and the third through-hole 5.2 on the first backing plate 5 and the 6th through-hole 4.1 and the second backing plate 3 on the first elastic layer 4
Fourth hole 3.1 is corresponding, and the installation support column 7 in it.Second in the second location hole 2.2 and the second backing plate 3
Positioning protrusion 3.4 matches, and the second positioning protrusion 3.4 is installed in second location hole 2.2, to prevent the second elastic layer 2 from moving
It is dynamic.Inner wall of 8th through-hole 2.3 close to 3 one end of the second backing plate is equipped with card mat 2.4, thus close in the 8th through-hole 2.3
One end of second backing plate 3 forms the 7th through-hole 2.1 of oblong, and in the side shape of the second backing plate 3 separate on the 8th through-hole 2.3
At accommodating chamber 2.5, the bottom plate 7.4 on the support column 7 is accommodated in the accommodating chamber 2.5.7th through-hole 2.1 and the second pad
7.4 shape of bottom plate matching on fourth hole 3.1 and support column 7 on plate 3.Bottom plate 7.4 on the support column 7 can pass through
Fourth hole 3.1 on 7th through-hole 2.1, the second backing plate 3, and by rotation, make bottom plate 7.4 and the second elastic layer 2 and second
The clamping of 3 phase of backing plate.
When assembling, the support column 7 is installed on the 7th through-hole 2.1, fourth hole 3.1, the 6th through-hole 4.1 and third through-hole
In 5.2, the oblong bottom plate 7.4 on the support column 7 is located in the accommodating chamber 2.5 of the second elastic layer 2, and oblong bottom plate
7.4 and the second 2.1 relative dislocation of the 7th through-hole on elastic layer 2, i.e., the card mat 2.4 on the described bottom plate 7.4 and the second elastic layer 2
Mutually it is clamped.The connector sleeve 9 is installed between support column 7 and third through-hole 5.2, and lock tongue 9.3 and support column on connector sleeve 9
The end face of 7 upper ends 7.3 matches, and connector sleeve 9 and support column 7 are linked together, and withholds buckle 9.1 in the first backing plate
On 5, finally the first backing plate 5, the first elastic layer 4, the second backing plate 3 and the second elastic layer 2 are connected as one, formed pre-assembled
Part, with convenient transportation and in-site installation.In the present embodiment, in the pre-assembled module the first elastic layer 4 and the second elastic layer 2 by
Compression can be avoided effectively in transportational process 7 turns of support column caused by the non-artificial external force such as vibration to store partial elastic energy
It is dynamic to cause pre-assembled failure caused by falling off.In addition, making 7 upper plate 7.4 of support column and the second elasticity by rotation support column 7
The fourth hole 3.1 on the 7th through-hole 2.1 and the second backing plate 3 on layer 2 is corresponding, can take out from bottom to top support column 7,
So as to directly directly extract the first elastic layer 4 or the second elastic layer 2 out, to be replaced.It, first will branch after to be replaced
7 upper plate 7.4 of dagger is corresponding with the fourth hole 3.1 on the 7th through-hole 2.1 and the second backing plate 3 on the second elastic layer 2, will
Support column 7 passes through in the 7th through-hole 2.1, and is located in accommodating chamber 2.5, and support column 7 is rotated by 90 °, bottom plate 7.4 and the 7th are made
2.1 relative dislocation of through-hole.Connector sleeve 9 is installed on the end 7.3 of support column 7 again, rotation connects connector sleeve 9 and support column 7
It is connected together, withholds buckle 9.1 on the first backing plate 5, finally by the first backing plate 5, the first elastic layer 4, the second backing plate 3 and
Two elastic layers 2 are connected as one.
In the present embodiment, first elastic layer 4, the second backing plate 3 and the second elastic layer 2 can be separated from each other and be separately provided.
In the present embodiment, also the first elastic layer 4, the second backing plate 3 and the second elastic layer 2 can be bonded as one in the preparation；By first
Elastic layer 4, the second backing plate 3 and the second elastic layer 2 are bonded as one, and can reduce installation procedure, improve packaging efficiency.
The present invention brings new technical effect relative to conventional multilayer fastener, and the second backing plate 3 is equal up and down in vertical direction
Elasticity layer setting, therefore the second backing plate can be used as mass block, it is vertical, lateral to have certain rigidity, it can be considered spring mass
System can be used as individual resonator system；Second backing plate 3 can be continuous one block of plate, can also be divided into discontinuous plurality of plates,
The frequency band different to resonance.This has the technical effect that currently common vibration damping and medium Damping fastening did not all have.
As shown in figure 15, fastener system is installed on railway roadbed, the backing plate and elastic layer of the fastener system from top to bottom according to
It is secondary to be disposed adjacent, train is formed in vertical direction, so that fastener system be made to obtain lower vertical stiffness.Second backing plate exists
The displacement in vertical direction is unfettered, as individual resonator system, vibrational energy is absorbed, thus vibration absorbing low noise.Practical Project
In, it according to fastener system design needs that the quality, quantity, shape of the second backing plate is adjusted, to adapt to different needs.
A kind of high Damping fastening based on compression-type proposed by the invention, using backing plate and elastic layer interval setting side
Formula obtains lower vertical stiffness so that elastic layer forms cascade, thus reach higher effectiveness in vibration suppression, meanwhile, rail
Ground can be directly fallen within, guarantees safety in utilization, receives popularization using market.
In the present invention, although being additionally arranged one layer of elastic layer, mounting height can increased relative to common Damping fastening, can
Lateral stability can be caused to reduce, but fastener can be arranged the modes such as shoulder block and eliminate this influence by mechanical connection manner.Separately
Outside, the second backing plate in the present invention selects the steel plate of conventional specification, and thickness is much smaller than the backing plate of casting and forming, although being additionally arranged
One layer of elastic layer, but the second plate thickness reduces, to make the height of Damping fastening system of the present invention slightly larger than common vibration damping button
Part or the medium Damping fastening system of multilayer, to ensure the lateral stability of fastener system.In addition, backing plate quantity and the elastic number of plies
It measures not The more the better, it is contemplated that the set-up mode of track installation requirement for height, two layers of backing plate and three layers of elastic layer is to meet
Attainable maximum cascading effect in the case of track installation requirement for height.
The present invention has new technical effect relative to conventional fastener, and the second backing plate is in vertical direction equal elasticity layer up and down
Setting, therefore the second backing plate can be used as mass block, it is vertical, lateral to have certain rigidity, it can be considered spring-quality system, it can
As individual resonator system；Second backing plate can be continuous one block of plate, can also be divided into discontinuous plurality of plates, to resonance
Different frequency bands.This has the technical effect that currently common vibration damping and medium Damping fastening did not all have.
It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, may be used also
With several improvements and modifications are made to the present invention, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (10)
1. a kind of Damping fastening system, the Damping fastening system from top to bottom successively includes elastic cushion (6), the first backing plate under rail
(5), the first elastic layer (4), the second backing plate (3)；It is characterized by: the Damping fastening system includes the second elastic layer (2), branch
Dagger (7), connector sleeve (9) and anchor bolt (12), second elastic layer (2) are located on the downside of the second backing plate (3)；The support
Column (7) and connector sleeve (9) cooperate the first backing plate (5), the first elastic layer (4), the second backing plate (3) and the second elastic layer (2) even
It is connected together, Damping fastening system is fastened on railway roadbed by the anchor bolt (12).
2. a kind of Damping fastening system according to claim 1, it is characterised in that: the support column (7) includes cylinder
(7.2), described cylinder (7.2) one end is equipped with bottom plate (7.4), and the other end is socketed with connector sleeve (9)；The bottom plate (7.4) and the
Two elastic layers (2) match, and the connector sleeve (9) is withheld on the first backing plate (5).
3. a kind of Damping fastening system according to claim 2, it is characterised in that: second backing plate (3) is equipped with the
Four through-holes (3.1), the fourth hole (3.1) is interior to install support column (7)；Fourth hole (3.1) shape and bottom plate (7.4)
Shape is consistent, and the bottom plate (7.4) can pass through fourth hole (3.1), and after rotating by a certain angle, with the second backing plate
(3) it is mutually clamped.
4. a kind of Damping fastening system according to claim 3, it is characterised in that: second elastic layer (2) is equipped with
8th through-hole (2.3), inner wall of the 8th through-hole (2.3) close to the second backing plate (3) one end is equipped with card mat (2.4), described
The 7th through-hole (2.1), the fourth hole on the 7th through-hole (2.1) and second backing plate (3) are formed between card mat (2.4)
(3.1) corresponding, and shape is consistent.
5. a kind of Damping fastening system according to claim 4, it is characterised in that: the 8th through-hole (2.3) is located at card
It pads and forms accommodating chamber (2.5) on the downside of (2.4), the bottom plate (7.4) on the support column (7) is fully mounted in accommodating chamber (2.5).
6. a kind of Damping fastening system according to claim 1, it is characterised in that: second backing plate (3) and the first bullet
Property layer (4) adjacent surface be equipped with the first positioning protrusion (3.3)；First elastic layer (4) is equipped with first positioning hole
(4.2), the first positioning hole (4.2) matches with the first positioning protrusion (3.3).
7. a kind of Damping fastening system according to claim 6, it is characterised in that: second backing plate (3) and the second bullet
Property layer (2) adjacent surface be equipped with the second positioning protrusion (3.4), second elastic layer (2) is equipped with second location hole
(2.2), the second location hole (2.2) matches with the second positioning protrusion (3.4) on the second backing plate (3).
8. a kind of Damping fastening system according to claim 7, it is characterised in that: first positioning protrusion (3.3),
Two positioning protrusions (3.4) are linked together with the second backing plate (3) by welding.
9. a kind of Damping fastening system according to claim 8, it is characterised in that: first positioning protrusion (3.3),
Two positioning protrusions (3.4) are square steel block.
10. a kind of Damping fastening system according to claim 1, it is characterised in that: elastic cushion (6) is equipped under the rail
Curved portion (6.1), the connector sleeve (9) are equipped with buckle (9.1), and the buckle (9.1) is withheld on the first backing plate (5)；Institute
Curved portion (6.1) is stated to match with buckle (9.1) shape of connector sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283604.6A CN110373958A (en) | 2018-10-31 | 2018-10-31 | A kind of Damping fastening system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283604.6A CN110373958A (en) | 2018-10-31 | 2018-10-31 | A kind of Damping fastening system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110373958A true CN110373958A (en) | 2019-10-25 |
Family
ID=68243907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811283604.6A Pending CN110373958A (en) | 2018-10-31 | 2018-10-31 | A kind of Damping fastening system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110373958A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112239972A (en) * | 2020-08-28 | 2021-01-19 | 中铁工程设计咨询集团有限公司 | Vulcanization vibration damping pad and vibration damping fastener |
| CN113047090A (en) * | 2021-04-30 | 2021-06-29 | 河北中烁轨道科技有限公司 | Vibration damping fastener system |
| CN113718565A (en) * | 2021-08-30 | 2021-11-30 | 中铁隆昌铁路器材有限公司 | Semi-separation type double-layer nonlinear vibration attenuation fastener |
| CN115326598A (en) * | 2022-10-14 | 2022-11-11 | 山东智模工程技术有限公司 | Scaffold fastener torsional rigidity performance test device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372823A (en) * | 2008-10-14 | 2009-02-25 | 中国船舶重工股份有限公司洛阳分公司 | Design method and structure of resonant type dynamic track vibration damping denoising fastener |
| CN101413231A (en) * | 2008-10-14 | 2009-04-22 | 中国船舶重工股份有限公司洛阳分公司 | Design and structure of self-locking type rail base dynamic vibration absorber |
| CN102979013A (en) * | 2012-12-12 | 2013-03-20 | 洛阳双瑞橡塑科技有限公司 | Easily detachable and separable double-layer shock-absorbing fastener system |
| CN105350403A (en) * | 2015-09-30 | 2016-02-24 | 同济大学 | Track board with periodic structure characteristics and track board damping system |
| WO2016094965A1 (en) * | 2014-12-19 | 2016-06-23 | Sys-Tek Engineering Pty Ltd | Rail support system, components and method for control of noise and vibration from ballastless monorail or super narrow gauge railway track systems |
| CN105951541A (en) * | 2016-06-16 | 2016-09-21 | 同济大学 | Vibration damping structure, vibration damping pad and using method thereof |
| CN107700288A (en) * | 2017-11-16 | 2018-02-16 | 中国铁建重工集团有限公司 | A kind of trolley track seat and trolley track |
| EP3290583A1 (en) * | 2016-09-02 | 2018-03-07 | Duro Felguera Rail, S.A.U. | Modular rail fastening system |
| CN107780312A (en) * | 2016-08-30 | 2018-03-09 | 洛阳双瑞橡塑科技有限公司 | A kind of readily removable assembled separation type double-layer vibration damping fastener system |
| CN209523079U (en) * | 2018-10-31 | 2019-10-22 | 中铁工程设计咨询集团有限公司 | A kind of Damping fastening system |
-
2018
- 2018-10-31 CN CN201811283604.6A patent/CN110373958A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372823A (en) * | 2008-10-14 | 2009-02-25 | 中国船舶重工股份有限公司洛阳分公司 | Design method and structure of resonant type dynamic track vibration damping denoising fastener |
| CN101413231A (en) * | 2008-10-14 | 2009-04-22 | 中国船舶重工股份有限公司洛阳分公司 | Design and structure of self-locking type rail base dynamic vibration absorber |
| CN102979013A (en) * | 2012-12-12 | 2013-03-20 | 洛阳双瑞橡塑科技有限公司 | Easily detachable and separable double-layer shock-absorbing fastener system |
| WO2016094965A1 (en) * | 2014-12-19 | 2016-06-23 | Sys-Tek Engineering Pty Ltd | Rail support system, components and method for control of noise and vibration from ballastless monorail or super narrow gauge railway track systems |
| CN105350403A (en) * | 2015-09-30 | 2016-02-24 | 同济大学 | Track board with periodic structure characteristics and track board damping system |
| CN105951541A (en) * | 2016-06-16 | 2016-09-21 | 同济大学 | Vibration damping structure, vibration damping pad and using method thereof |
| CN107780312A (en) * | 2016-08-30 | 2018-03-09 | 洛阳双瑞橡塑科技有限公司 | A kind of readily removable assembled separation type double-layer vibration damping fastener system |
| EP3290583A1 (en) * | 2016-09-02 | 2018-03-07 | Duro Felguera Rail, S.A.U. | Modular rail fastening system |
| CN107700288A (en) * | 2017-11-16 | 2018-02-16 | 中国铁建重工集团有限公司 | A kind of trolley track seat and trolley track |
| CN209523079U (en) * | 2018-10-31 | 2019-10-22 | 中铁工程设计咨询集团有限公司 | A kind of Damping fastening system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112239972A (en) * | 2020-08-28 | 2021-01-19 | 中铁工程设计咨询集团有限公司 | Vulcanization vibration damping pad and vibration damping fastener |
| CN113047090A (en) * | 2021-04-30 | 2021-06-29 | 河北中烁轨道科技有限公司 | Vibration damping fastener system |
| CN113718565A (en) * | 2021-08-30 | 2021-11-30 | 中铁隆昌铁路器材有限公司 | Semi-separation type double-layer nonlinear vibration attenuation fastener |
| CN115326598A (en) * | 2022-10-14 | 2022-11-11 | 山东智模工程技术有限公司 | Scaffold fastener torsional rigidity performance test device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110373958A (en) | A kind of Damping fastening system | |
| CN208981031U (en) | A kind of Damping fastening system of sandwich plate | |
| CN202369865U (en) | Elastic fixing device of track | |
| CN103088723B (en) | Track elasticity fastening devices | |
| CN207468996U (en) | A kind of shoulder block formula Damping fastening | |
| CN103088724B (en) | Rail fixing device with function of vertical guidance | |
| CN209292793U (en) | A kind of rail Damping fastening | |
| CN209412617U (en) | A kind of top self-locking double-layer vibration damping fastener system | |
| CN108978362A (en) | A kind of steel rail vibration reduction fastener | |
| CN201785681U (en) | Fastening device used for urban rail transit | |
| CN209523079U (en) | A kind of Damping fastening system | |
| CN113047090B (en) | Vibration damping fastener system | |
| CN109853303A (en) | A kind of rail energy-consuming device | |
| CN113215867A (en) | Transverse limiting vibration-damping fastener | |
| CN110158375A (en) | A kind of switching regulator spring Double-layer elastic Damping fastening system | |
| CN215800708U (en) | Self-locking type turnout vibration reduction fastener | |
| CN209323264U (en) | A kind of road bed board elastic limit device | |
| WO2024036660A1 (en) | Track damping fastener | |
| CN208981034U (en) | A kind of Damping fastenings such as self-locking height | |
| CN205839490U (en) | Double-layer vibration damping fastener | |
| CN108265571B (en) | Vibration reduction fastener system | |
| CN212834793U (en) | A novel have bolt fastener for urban rail transit | |
| CN208649810U (en) | A kind of rail fastener system | |
| CN209941407U (en) | Detachable self-locking type vibration-damping fastener system | |
| CN207793766U (en) | A kind of steel rail vibration reduction fastener bottom plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |