CN108755282A - High ferro damping non-fragment orbit in a kind of tunnel - Google Patents
High ferro damping non-fragment orbit in a kind of tunnel Download PDFInfo
- Publication number
- CN108755282A CN108755282A CN201810614975.1A CN201810614975A CN108755282A CN 108755282 A CN108755282 A CN 108755282A CN 201810614975 A CN201810614975 A CN 201810614975A CN 108755282 A CN108755282 A CN 108755282A
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- China
- Prior art keywords
- supporting block
- block
- parts
- cavity
- high ferro
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Classifications
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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
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
- C08L83/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0818—Alkali metal
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses high ferro damping non-fragment orbits in a kind of tunnel, belong to construction field, including：Track plates（1）, and ground contact, track plates are equipped with cavity；Supporting block（2）, supporting block part is fixed in cavity, and the supporting block includes the first supporting block（201）, the second supporting block（202）, elastomer block（203）And bolt retainer（204）, rail is fixed in first supporting block（3）Second supporting block is located in the cavity of track plates, elastomer block is equipped between first supporting block and the second supporting block, the thickness of the elastomer block is between 20mm-100mm, bolt retainer connects the first supporting block and the second supporting block, and elastomer block is located at compressive state under the fixation of bolt retainer, the compressing force that elastomer block is subject under the compression ratio state is more than the gravity of the first supporting block；Rail（3）, it is fixed on the first supporting block（201）On.
Description
Technical field
The present invention relates to field of track traffic.
Background technology
Non-fragment orbit（nonballasted-track）Refer to being dissipated using the mass-type foundations such as concrete, asphalt substitution
The ballast bed track structure of grain, also referred to as ballastless track, are the advanced railway technologies in the world today.
Non-fragment orbit is compared with Ballast track, and non-fragment orbit avoids splashing railway ballast, and ride comfort is good, and stability is good, uses
Long lifespan, durability is good, and maintenance work is few, more than 350 km of scooter when train operation.
In non-fragment orbit, damping is vital, and especially when passing through tunnel, high-speed railway can be to ground
Powerful vibrations are generated, long-term vibrations can generate the massif in tunnel microcrack and cause underground mortar, influence tunnel
Safety.
So the problem that damping of the high ferro non-fragment orbit in tunnel is most important is directly being propped up in existing damping
Support body and track plates are equipped with elastic piece and carry out damping, this elastic piece is compressed under the gravity of supporter, but the elasticity
Piece often very thin thickness, can not reach sufficient damping in tunnel.If but be related to it is blocked up, due to elastic piece support weight
It is compressed under power, the blocked up of setting can cause supporter unstable and then influence the stabilization of driving.
Invention content
It is an object of the invention to：In view of the above problems, high ferro damping non-fragment orbit in a kind of tunnel, packet are provided
It includes：
Track plates, and ground contact, track plates are equipped with cavity；
Supporting block, supporting block part are fixed in cavity, and the supporting block includes the first supporting block, the second supporting block, elasticity
Block and bolt retainer are fixed with rail in first supporting block, and second supporting block is located at the cavity of track plates
In, elastomer block is equipped between first supporting block and the second supporting block, the thickness of the elastomer block is 20mm-100mm
Between, bolt retainer connects the first supporting block and the second supporting block, and elastomer block is located at pressure under the fixation of bolt retainer
Contracting state, the compressing force that elastomer block is subject under the compression ratio state are more than the gravity of the first supporting block；
Rail is fixed in the first supporting block.
Prevent sundries from entering cavity sealing strip as an improvement, the side of supporting block and track plates cavity is equipped with.
As an improvement, the elastomer block is formed by stacking by 2-10 piece rubber materials.
As an improvement, the rubber material is silica gel.
As an improvement, the bottom of second supporting block and cavity is equipped with elastomeric pad.
As an improvement, the raw material of the silica gel according to parts by weight includes 100 parts of fluorine silicon raw rubber, 2-10 parts of fluorosilicon oil, receives
5-10 parts of silicon carbide of rice, 2-10 parts of glass fibre, 0.01-0.1 parts of lithium, 0.1-1 parts of gallium, 0.1-2 parts of coupling agent, toughener 0.1-
2 parts.
In a preferred embodiment, the preparation method of the silica gel is as follows：
Step 1: carrying out coupling modifier to glass fibre, silicon carbide, lithium, gallium with coupling reaction tank, being as follows will be above-mentioned
Substance is added in coupling reaction tank, opens agitating device, stirring makes mixture rotate, by coupling agent ether according to 1：0.5 matches
It after being set to solution, is sprayed directly in mixture, the rotary speed for controlling agitating device is 3000 revs/min -5000 revs/min
Clock so that the temperature of mixture reaches 150 degrees Celsius, after reacting 10-20 minutes, dries 10-30 minutes and makes at 100-150 DEG C
Obtain the mixture that coupling modifier is crossed；Coupling agent is titanate coupling agent；
Step 2: by after fluorine silicon raw rubber, fluorosilicon oil, step 1 mixture, be kneaded in kneading machine in toughener, prepare rubber
Glue；
Step 3: post-processing rubber, is made product.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the schematic diagram of supporting block of the present invention；
The connection structure diagram of connector and track plates in Fig. 3 one embodiment；
Fig. 4 is the connection structure diagram of connector and track plates in another embodiment；
Fig. 5 is the structural schematic diagram of connector；
Fig. 6 is whole schematic diagram；
It is marked in figure：2- supporting blocks, the first supporting blocks of 201-, the second supporting blocks of 202-, 203- elastomer blocks, 204- bolts are fixed
Part, 3- rail, 4- sealing strips, 5- track plates, 6- screeds, 7- matrixes, 8- connectors, 801- connectors, 802- pitmans,
8021- swivel heads, 9- central shafts.
Specific implementation mode
Below in conjunction with the accompanying drawings, the present invention is described in detail.
Specific embodiment 1：
If Fig. 6 is a kind of structural schematic diagram of non-fragment orbit of the present invention, in figure 6, including track plates 5, supporting block 2, screed 6
With matrix 7, wherein supporting block 2 is fixed on track plates 5, and supporting block 2 is supported by rail 3, and mortar is respectively equipped under track plates 5
Layer 6 and matrix 7, wherein being additionally provided with waterproof layer etc.（It is to show in figure）.
Fig. 1-2 is a kind of specific connection diagram of implementation embodiment supporting block 2 and track plates 5, and Fig. 2 is Fig. 1
Partial enlarged view, as shown in the figure, supporting block 2 are located on track plates 5, and rail 3 is fixed in supporting block 2.Wherein, track plates 5
It being contacted with ground, the ground can be screed and matrix 7 in a specific embodiment, and matrix 7 is usually concrete layer,
Track plates 5 are equipped with cavity；Supporting block part is fixed in cavity, and track plates 5 are exposed in part, and preferred embodiment is worked as in figure
In, the half of supporting block is located in cavity, and half exposes track plates 5；Rail 3 is fixed in the first supporting block 201.
In embodiment described in this Fig. 1, the supporting block 2 has both characteristic rigid and flexible, specifically,
When supporting block 2 receives the pressure of rail in a certain range, supporting block 2 keeps shape invariance, is in rigid state, Neng Goubao
Demonstrate,prove the stability of entire non-fragment orbit；When the pressure of rail is larger, when being specifically more than certain value；Supporting block 2 can be shunk,
It shows as the state of certain flexibility, can be substantially reduced impact force of the high ferro movement to track plates 5 and earth's surface.In order to reach
Above-mentioned effect, Fig. 1 is a kind of example embodiment reaching above-mentioned effect, and in the embodiment, the supporting block includes the
One supporting block 201, the second supporting block, 202, elastomer block 203 and bolt retainer 204 are fixed in first supporting block
Rail 3, second supporting block are located in the cavity of track plates, are equipped between first supporting block and the second supporting block
Elastomer block, the thickness of the elastomer block is between 20mm-100mm, such as 50mm.Bolt retainer connects the first supporting block and the
Two supporting blocks, and elastomer block is located at compressive state under the fixation of bolt retainer, elastomer block is subject under the compression ratio state
Compressing force is more than the gravity of the first supporting block, and in the case of not considering gravity, it is rigid which is equal to supporting block described above
Property and transformation critical force flexible.Due to the fixed function of bolt retainer, elastomer block is compressed, and is less than by rail pressure
When critical force, elastomer block shape invariance is rigid state；When being more than critical force by rail pressure, elastomer block is shunk,
Elastic stage is shown as, passes through the impact endurance test shock power to track plates and ground to buffer train in high ferro.
In order to reduce the sliding of supporting block in the cavity, to improve the stability of supporting block, in a modified embodiment
In the middle, the side of supporting block and track plates cavity, which is equipped with, prevents sundries from entering cavity sealing strip 4.
The elastomer block is located in supporting block, and needs the thickness of the different adjustment elastic piece according to usage scenario, because
This, in order to facilitate the installation of and use, in improved embodiment, the elastomer block by 2-10 piece rubber materials overlap and
At such as 5.
The rubber material will be in compressive state for a long time in the present invention, and be impacted by train, resistance to
Fatigue and service life are most important.If using existing silica gel, can normally use, but service life is not grown,
It needs to be replaced frequently, if being changed without, rubber material follows the string, and reduces the stability of its non-fragment orbit.On solving
Problem is stated, in improved embodiment, the rubber material is silica gel.High ferro in tunnel according to claim 5
Damping non-fragment orbit, which is characterized in that the raw material of the silica gel includes 100 parts of fluorine silicon raw rubber, fluorosilicon oil 2- according to parts by weight
10 parts, 5-10 parts of nanometer silicon carbide, 2-10 parts of glass fibre, 0.01-0.1 parts of lithium, 0.1-1 parts of gallium, titanate coupling agent 0.1-2
Part, 0.1-2 parts of toughener.The preparation method of the silica gel is as follows：
Step 1: carrying out coupling modifier to glass fibre, silicon carbide, lithium, gallium with coupling reaction tank, coupling agent is coupled for titanate esters
Agent；
Step 2: by after fluorine silicon raw rubber, fluorosilicon oil, step 1 mixture, be kneaded in kneading machine in toughener, prepare rubber
Glue；
Step 3: post-processing rubber, is made product.
Track fatigue durability height, service life height prepared by the above method, it is not easy to contaminated corrosion.
The bottom of second supporting block and cavity is equipped with elastomeric pad.
And in order to solve the problems, such as shearing force, the present invention sets that there are one connectors between track plates and screed, matrix, such as
Shown in Fig. 3-5, wherein Fig. 3 and Fig. 4 is the schematic diagram of connection structure difference connector, Fig. 5 be connector independently under schematic diagram.
Include in the connector of the present invention：
Connector 801, the connector are inserted into track plates 5 and are fixedly connected with track plates, and the connector is equipped with
One cavity, cavity are connected to by a channel with the external world；
Pitman 802, the pitman include a swivel head, and swivel head is embedded into the cavity of connector, the rotation
Rotary head can be rotated freely relative to connector, and the pitman is inserted into screed and matrix 7, and with screed and base
Body 7 is fixedly connected.
The swivel head can mutually be rotated with pitman, therefore swivel head is usually the knot that there is arc top on some surfaces
Structure, if Fig. 4 is to rotate first specific embodiment, in the scheme of Fig. 4, the swivel head is sphere, correspondingly, institute
The spheroid chamber that the cavity stated is and swivel head is adapted.
Fig. 3 is another specific embodiment of connector, and in swivel head shown in Fig. 4, the swivel head is ellipse
Circle, ellipsoidal long axis are located on the extending direction of pitman central shaft 9.
The swivel head and cavity of the present invention is embedded in by the form of preprocessing, can also be even in some embodiments
The top of connector is set there are one channel, pitman is embedded in by channel, then re-closed channel.Due to consideration that pitman
Length be typically longer than connector, deeper can be embedded into grout blanket and matrix 7, therefore, preferably implement at some
In example, the section of the pitman is less than the section of connector.
Larger mutual extruding force is born between connector and track plates, in order to reduce connector and with track plates squeeze
Pressure is to the sectional pressure of connector, and in the present invention, the contact position of the pitman and connector is chamfered transition, is such as schemed
Embodiment shown in 4 can slow down the impact force between connector and track plates.
In the present invention, since swivel head provides the possibility that the side of track plates and pitman is locally breakked away,
The connector can be kept being relatively fixed with track plates, and in a kind of level, fixed performance is better, whole better, base
In this, the section of connector is square, and the section of pitman is circle.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Claims (7)
1. high ferro damping non-fragment orbit in a kind of tunnel, which is characterized in that including：
Track plates（1）, and ground contact, track plates are equipped with cavity；
Supporting block（2）, supporting block part is fixed in cavity, and the supporting block includes the first supporting block（201）, second support
Block（202）, elastomer block（203）And bolt retainer（204）, rail is fixed in first supporting block（3）, described
Two supporting blocks are located in the cavity of track plates, and elastomer block is equipped between first supporting block and the second supporting block, described
The thickness of elastomer block between 20mm-100mm, bolt retainer connects the first supporting block and the second supporting block, and solid in bolt
Determine elastomer block under the fixation of part and be located at compressive state, the compressing force that elastomer block is subject under the compression ratio state is more than the first supporting block
Gravity；
Rail（3）, it is fixed on the first supporting block（201）On.
2. high ferro damping non-fragment orbit in tunnel according to claim 1, which is characterized in that supporting block and track plates cavity
Side be equipped with prevent sundries from entering cavity sealing strip（4）.
3. high ferro damping non-fragment orbit in tunnel according to claim 2, which is characterized in that the elastomer block is by 2-10
Piece rubber material is formed by stacking.
4. high ferro damping non-fragment orbit in tunnel according to claim 3, which is characterized in that the rubber material is silicon
Glue.
5. high ferro damping non-fragment orbit in tunnel according to claim 4, which is characterized in that second supporting block and
The bottom of cavity is equipped with elastomeric pad.
6. high ferro damping non-fragment orbit in tunnel according to claim 5, which is characterized in that the raw material of the silica gel is pressed
Include 100 parts of fluorine silicon raw rubber, 2-10 parts of fluorosilicon oil, 5-10 parts of nanometer silicon carbide, 2-10 parts of glass fibre, lithium according to parts by weight
0.01-0.1 parts, 0.1-1 parts of gallium, 0.1-2 parts of titanate coupling agent, 0.1-2 parts of toughener.
7. high ferro damping non-fragment orbit in tunnel according to claim 6, which is characterized in that the preparation side of the silica gel
Method is as follows：
Step 1: carrying out coupling modifier to glass fibre, silicon carbide, lithium, gallium with coupling reaction tank, coupling agent is coupled for titanate esters
Agent；
Step 2: by after fluorine silicon raw rubber, fluorosilicon oil, step 1 mixture, be kneaded in kneading machine in toughener, prepare rubber
Glue；
Step 3: post-processing rubber, is made product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614975.1A CN108755282B (en) | 2018-06-14 | 2018-06-14 | High-speed rail damping non-fragment orbit in a kind of tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614975.1A CN108755282B (en) | 2018-06-14 | 2018-06-14 | High-speed rail damping non-fragment orbit in a kind of tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108755282A true CN108755282A (en) | 2018-11-06 |
| CN108755282B CN108755282B (en) | 2019-11-15 |
Family
ID=64021770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810614975.1A Active CN108755282B (en) | 2018-06-14 | 2018-06-14 | High-speed rail damping non-fragment orbit in a kind of tunnel |
Country Status (1)
| Country | Link |
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| CN (1) | CN108755282B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005009190A (en) * | 2003-06-19 | 2005-01-13 | Sekisui Chem Co Ltd | Vibration-isolation sleeper |
| KR100621485B1 (en) * | 2006-03-02 | 2006-09-19 | 주식회사 삼보기술단 | Pre-stress block structure for high-speed railroad |
| RU112203U1 (en) * | 2011-07-19 | 2012-01-10 | Закрытое акционерное общество "Инновационные технологии в строительстве" | UPPER WAY DEVICE |
| CN203923805U (en) * | 2014-05-22 | 2014-11-05 | 南通美固复合材料有限公司 | A kind of high strength highly anti-fatigue composite sleeper |
| CN205347895U (en) * | 2016-01-26 | 2016-06-29 | 天津轨道交通集团工程建设有限公司 | Underground railway track structure |
| CN206385393U (en) * | 2016-11-01 | 2017-08-08 | 中国铁道科学研究院铁道建筑研究所 | Non-fragment orbit |
| CN107903635A (en) * | 2017-11-29 | 2018-04-13 | 成都创客之家科技有限公司 | A kind of elastic silica gel material with high intensity and preparation method thereof |
-
2018
- 2018-06-14 CN CN201810614975.1A patent/CN108755282B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005009190A (en) * | 2003-06-19 | 2005-01-13 | Sekisui Chem Co Ltd | Vibration-isolation sleeper |
| KR100621485B1 (en) * | 2006-03-02 | 2006-09-19 | 주식회사 삼보기술단 | Pre-stress block structure for high-speed railroad |
| RU112203U1 (en) * | 2011-07-19 | 2012-01-10 | Закрытое акционерное общество "Инновационные технологии в строительстве" | UPPER WAY DEVICE |
| CN203923805U (en) * | 2014-05-22 | 2014-11-05 | 南通美固复合材料有限公司 | A kind of high strength highly anti-fatigue composite sleeper |
| CN205347895U (en) * | 2016-01-26 | 2016-06-29 | 天津轨道交通集团工程建设有限公司 | Underground railway track structure |
| CN206385393U (en) * | 2016-11-01 | 2017-08-08 | 中国铁道科学研究院铁道建筑研究所 | Non-fragment orbit |
| CN107903635A (en) * | 2017-11-29 | 2018-04-13 | 成都创客之家科技有限公司 | A kind of elastic silica gel material with high intensity and preparation method thereof |
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|---|---|
| CN108755282B (en) | 2019-11-15 |
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Effective date of registration: 20191025 Address after: 350182 Changle District, Fuzhou, Fujian, China, the first floor of the foreign exchange and international trade center, 28 Yu Ring Road, new district. Applicant after: CHANGLE BRANCH COMPANY, FUZHOU XINXIAXIN COMPUTER CO.,LTD. Address before: 610000 16 new building, B Hope International Street, Tianfu street, Chengdu, Sichuan Applicant before: Song Huiru |
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Effective date of registration: 20221221 Address after: 276800 R&D Building No. 8, Electronic Information Industrial Park, Gaoxin 7th Road, Rizhao Hi tech Zone, Shandong Province 237, Xueyuan Road, Rizhao Hi tech Zone, Shandong Province Patentee after: Rizhao Xinrui Investment Promotion Development Co.,Ltd. Address before: 350182 first floor, foreign language and foreign trade international exchange center, No. 28, Yuhuan Road, Shouzhan new area, Changle District, Fuzhou City, Fujian Province Patentee before: CHANGLE BRANCH COMPANY, FUZHOU XINXIAXIN COMPUTER CO.,LTD. |
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