CN107747256A - A kind of switch bed plate sunk type steel sleeve structure - Google Patents
A kind of switch bed plate sunk type steel sleeve structure Download PDFInfo
- Publication number
- CN107747256A CN107747256A CN201711167302.8A CN201711167302A CN107747256A CN 107747256 A CN107747256 A CN 107747256A CN 201711167302 A CN201711167302 A CN 201711167302A CN 107747256 A CN107747256 A CN 107747256A
- Authority
- CN
- China
- Prior art keywords
- bolt
- steel bushing
- backing plate
- sunk type
- bearing platform
- 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
Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
Abstract
The invention discloses a kind of switch bed plate sunk type steel sleeve structure, the structure includes steel bushing main body, and the steel bushing main body has inner chamber, and the inner cavity has sunk type shoulder hole structure；The steel bushing main body outer upper is provided with the pressure-bearing platform of protrusion, and bottom realizes that shaft hole matching is located by connecting with backing plate by backing plate hole；Bolt, the bolt sink to the interior intracavitary by the steel bushing body top openend.The switch bed plate sunk type steel sleeve structure that the application provides, passes through the setting of steel bushing inner chamber so that bolt is sunk to inside steel bushing, and the decline of bolt head faying face causes bolt strained point to reduce, and effectively prevent the loosening of bolt, extends the service life of bolt；The pressure-bearing platform that steel bushing is set, which can be realized, to be withheld backing plate rigidity or elasticity, is rationally set so as to targetedly maintain the rigidity of bolt fastening zone；Cushioning effect is played in the setting of steel bushing outer wall insulating resilient layer to the transverse load that backing plate is subject to, while realizes the insulation with basis.
Description
Technical field
It is high more particularly to a kind of stress point that can reduce backing plate bolt the present invention relates to railway equipment technical field
Degree, improve the stability of lateral stiffness, extend bolt service life, and complete function and the switch bed plate of stable safety sink
Formula steel sleeve structure.
Background technology
At present, switch area is for damping noise reduction of driving a vehicle, while reduces wheel-rail force, and track switch fastener node needs setting one
Fixed elasticity, and the setting of elastic layer especially vulcanised elastomeric layer needs larger vertical space, this causes backing plate whole height
Increase therewith, existing backing plate fastening structure is that bolt is fastened by backing plate hole to backing plate, bolt head fitting stress surface
On the upside of backing plate upper surface, when wheel track horizontal force is transferred to shank of bolt by backing plate, bolt strained point is also because of backing plate height
The increase of degree and raise, so as to produce two problems, one is that bolt easily loosens, and causes lateral stiffness to keep bad；Secondly
Raising so that bolt and basic junction moment of flexure increase for bolt strained point, reduces the service life of bolt.
The content of the invention
The invention provides a kind of switch bed plate sunk type steel sleeve structure.Be particularly suitable for use in including high-speed railway switch,
In all switch structures including heavy haul railway track switch, urban track traffic track switch.
The invention provides following scheme：
A kind of switch bed plate sunk type steel sleeve structure, including：
Steel bushing main body, the steel bushing main body have inner chamber, and the inner cavity has sunk type shoulder hole structure；The steel bushing master
External upper lateral part is provided with the pressure-bearing platform of protrusion, and bottom realizes that shaft hole matching is located by connecting with backing plate by backing plate hole；
Bolt, the bolt sink to the interior intracavitary by the steel bushing body top openend；The shank of bolt of the bolt is worn
The aperture for crossing the steel bushing main body lower end carries out fastening installation；Long Circle nylon is provided between the shank of bolt and the aperture to delay
Reconstitute away from block, to realize rail transverse direction roll adjustment；
Wherein, the steel bushing main body applies vertical force to realize the vertical limit to backing plate by the pressure-bearing platform to the backing plate
Position.
Preferably：The pressure-bearing platform top is provided with rain-proof cover, and the rain-proof cover is carried out by fastener and steel bushing main body
Connection.
Preferably：The fastener is split pin or screw thread.
Preferably：Fastening stress surface in the sunk type shoulder hole structure for the bolt head of bolt described in support is less than
The backing plate upper surface.
Preferably：The pressure-bearing platform and backing plate upper surface Elastic Contact, the pressure-bearing platform is cover-plate type, and leaves and set
Put the installing space of elastic washer.
Preferably：The steel bushing lower body part realizes axis hole by backing plate hole with backing plate using integrated vulcanizing formula fit system
Cooperation is located by connecting.
Preferably：The integrated vulcanizing formula fit system, which is included in factory, to be vulcanized, with padding on the outside of the steel bushing main body
Between plate hole internal diameter, on the pressure-bearing platform lower edge and backing plate hole along between by vulcanizing rubber bound.
Preferably：The steel bushing lower body part realizes shaft hole matching by backing plate hole with backing plate using split type fit system
It is located by connecting.
Preferably：The split type fit system includes carrying out cooperation installation at the scene, and the pressure-bearing platform lower outside is set
It is equipped with nylon composite bed.
According to specific embodiment provided by the invention, the invention discloses following technique effect：
By the invention it is possible to realize a kind of switch bed plate sunk type steel sleeve structure, under a kind of implementation, the structure can
To have inner chamber including steel bushing main body, the steel bushing main body, the inner cavity has sunk type shoulder hole structure；The steel bushing
Main body outer upper is provided with the pressure-bearing platform of protrusion, and bottom realizes that shaft hole matching is located by connecting with backing plate by backing plate hole；Bolt,
The bolt sinks to the interior intracavitary by the steel bushing body top openend；The shank of bolt of the bolt passes through the steel bushing
The aperture of main body lower end carries out fastening installation；Long Circle nylon buffering roll adjustment block is provided between the shank of bolt and the aperture,
To realize rail transverse direction roll adjustment；Wherein, the steel bushing main body applies vertical force with reality by the pressure-bearing platform to the backing plate
Now to the vertical spacing of backing plate.The switch bed plate sunk type steel sleeve structure that the application provides, by the setting of steel bushing inner chamber, makes
Bolt is obtained to sink to inside steel bushing, the decline of bolt head faying face causes bolt strained point to reduce, and effectively prevent the loosening of bolt,
Extend the service life of bolt；The pressure-bearing platform that steel bushing is set, which can be realized, to be withheld backing plate rigidity or elasticity, so as to there is pin
The rigidity for maintaining bolt fastening zone of property is rationally set；The transverse direction that the setting of steel bushing outer wall insulating resilient layer is subject to backing plate
Load plays cushioning effect, while realizes the insulation with basis.
Certainly, any product for implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of switch bed plate sunk type steel sleeve structure provided in an embodiment of the present invention;
Fig. 2 is the structural representation of backing plate steel bushing in the prior art.
In figure：Steel bushing main body 1, inner chamber 2, pressure-bearing platform 3, backing plate 4, bolt 5, buffering roll adjustment block 6, rain-proof cover 7, vulcanization rubber
8。
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained, belong to what the present invention protected
Scope.
Embodiment
It is a kind of switch bed plate sunk type steel sleeve structure provided in an embodiment of the present invention referring to Fig. 1, as shown in figure 1, should
Structure can include steel bushing main body 1, and the steel bushing main body 1 has inner chamber 2, and the inside of inner chamber 2 has sunk type shoulder hole knot
Structure；The outer upper of steel bushing main body 1 is provided with the pressure-bearing platform 3 of protrusion, and shaft hole matching is realized in bottom with backing plate 4 by backing plate hole
It is located by connecting；
Bolt 5, the bolt 5 are sunk in the inner chamber 2 by the open top end of steel bushing main body 1；The bolt of the bolt 5
Bar carries out fastening installation through the aperture of the steel bushing main body lower end；Long Circle Buddhist nun is provided between the shank of bolt and the aperture
Dragon buffering roll adjustment block 6, to realize rail transverse direction roll adjustment；
Wherein, the steel bushing main body 1 applies vertical force to realize to the vertical of backing plate 4 by the pressure-bearing platform 3 to the backing plate 4
It is spacing.
Further, the pressure-bearing platform top is provided with rain-proof cover 7, and the rain-proof cover 7 passes through fastener and steel bushing main body 1
It is attached.The fastener is split pin or screw thread.It is used for the spiral shell of bolt 5 described in support in the sunk type shoulder hole structure
The fastening stress surface of bolt head is less than the backing plate upper surface.The pressure-bearing platform 3 and backing plate upper surface Elastic Contact, it is described to hold
It 3 is cover-plate type to present a theatrical performance as the last item on a programme, and leaves the installing space for setting elastic washer.The bottom of steel bushing main body 1 passes through backing plate hole with backing plate 4
Realize that shaft hole matching is located by connecting using integrated vulcanizing formula fit system.The integrated vulcanizing formula fit system is included in factory
Row vulcanization, lead between the outside of steel bushing main body 1 and the hole internal diameter of backing plate 4, on the lower edge of pressure-bearing platform 3 and the hole of backing plate 4 between
Over cure rubber 8 bonds.Axis hole is realized using split type fit system by backing plate hole with backing plate 4 in the bottom of steel bushing main body 1
Cooperation is located by connecting.The split type fit system includes carrying out cooperation installation at the scene, and the pressure-bearing platform lower outside is set
There is nylon composite bed.
The structure sunk type steel bushing main body outer upper that the application provides sets the pressure-bearing platform of protrusion, and bottom passes through with backing plate
Backing plate hole carries out shaft hole matching positioning, and bolt sinks to steel bushing inner chamber by steel bushing open top end；Shank of bolt passes through steel bushing lower end
Aperture carries out fastening installation, the Long Circle nylon buffering roll adjustment block of different size is set between shank of bolt and aperture, to realize rail
Horizontal roll adjustment；Vertical spacing to steel bushing progress after bolt fastening, steel bushing applies vertical force to backing plate by top pressure-bearing platform and realized
To the vertical spacing of backing plate；The installation rain-proof block of pressure-bearing platform top is coupled by split pin or screw thread with steel bushing main body.State
Steel bushing body endoporus be shoulder hole, shank of bolt passes through aperture when bolt is installed, and bolt head sinks to steel bushing inner chamber so that bolt head
Fastening stress surface is less than backing plate upper surface, and then realizes the bolt strained point of reduction, improves the target of bolt life.Described
Steel bushing outer upper sets pressure-bearing platform, pressure-bearing platform（3）With backing plate upper surface Elastic Contact, pressure-bearing platform is cover-plate type, and leaves and set
Put the installing space of elastic washer.Described steel bushing and the fit system in backing plate hole have integrated vulcanizing formula and split type two kinds；One
Body sulfuration type, which coordinates, to be vulcanized in factory, on the outside of steel bushing between the internal diameter of backing plate hole, steel bushing pressure-bearing platform lower edge and backing plate hole
By vulcanizing rubber bound between upper edge, while play insulation and the function of buffering；Split type cooperation is to be coordinated at the scene
Installation, steel bushing pressure-bearing platform lower outside now have nylon composite bed, play insulation and the function of buffering.
The switch bed plate structure sunk type steel bushing, is made up of steel bushing main body and fastener, and steel bushing outer upper sets and held
Present a theatrical performance as the last item on a programme, bottom carries out shaft hole matching positioning with backing plate by backing plate hole, and endoporus is shoulder hole, and fastening backing plate bolt passes through steel bushing
Open top end sinks to steel bushing inner chamber, and steel bushing intracavity diameter meets the installing space of bolt Electric torque wrench；Shank of bolt passes through
Steel bushing lower end aperture carries out fastening installation, and Long Circle nylon buffering roll adjustment block is set between shank of bolt and aperture；Bolt head steel bushing
Faying face is arranged in steel bushing inner chamber, and is less than backing plate upper surface；Vertical spacing to steel bushing progress after bolt fastening, steel bushing leads to
Cross top pressure-bearing platform and apply vertical force realization to backing plate to the vertical spacing of backing plate；Leave installation rain-proof block in pressure-bearing platform top
Mating surface, rain-proof block are coupled by split pin or screw thread with steel bushing.
Above-mentioned switch bed plate sunk type steel bushing, described steel bushing endoporus are shoulder hole, and shank of bolt passes through when bolt is installed
Aperture, bolt head sink to macropore so that bolt head fastening stress surface is less than backing plate upper surface, and then realizes that reduction is bolt strained
Point, improve the target of bolt life.
Above-mentioned switch bed plate sunk type steel bushing, described steel bushing outer upper set pressure-bearing platform, on pressure-bearing platform and backing plate
Surface elasticity contacts, and pressure-bearing platform is cover-plate type, and leaves the installing space for setting elastic washer.
The switch bed plate sunk type steel sleeve structure that the application provides, passes through the setting of steel bushing inner chamber so that bolt is sunk to
Inside steel bushing, the decline of bolt head faying face causes bolt strained point to reduce, and effectively prevent the loosening of bolt, extends bolt
Service life；The pressure-bearing platform that steel bushing is set, which can be realized, to be withheld backing plate rigidity or elasticity, so as to targetedly keep
The rigidity of bolt fastening zone is rationally set；The setting of steel bushing outer wall insulating resilient layer is played slow to the transverse load that backing plate is subject to
Punching acts on, while realizes the insulation with basis.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent substitution and improvements made within the spirit and principles in the present invention etc., are all contained in protection scope of the present invention
It is interior.
Claims (9)
- A kind of 1. switch bed plate sunk type steel sleeve structure, it is characterised in that including：Steel bushing main body, the steel bushing main body have inner chamber, and the inner cavity has sunk type shoulder hole structure；The steel bushing master External upper lateral part is provided with the pressure-bearing platform of protrusion, and bottom realizes that shaft hole matching is located by connecting with backing plate by backing plate hole；Bolt, the bolt sink to the interior intracavitary by the steel bushing body top openend；The shank of bolt of the bolt is worn The aperture for crossing the steel bushing main body lower end carries out fastening installation；Long Circle nylon is provided between the shank of bolt and the aperture to delay Reconstitute away from block, to realize rail transverse direction roll adjustment；Wherein, the steel bushing main body applies vertical force to realize the vertical limit to backing plate by the pressure-bearing platform to the backing plate Position.
- 2. switch bed plate according to claim 1 sunk type steel sleeve structure, it is characterised in that the pressure-bearing platform top peace Equipped with rain-proof cover, the rain-proof cover is attached by fastener and steel bushing main body.
- 3. switch bed plate according to claim 2 sunk type steel sleeve structure, it is characterised in that the fastener is opening Pin or screw thread.
- 4. switch bed plate according to claim 1 sunk type steel sleeve structure, it is characterised in that the sunk type shoulder hole Fastening stress surface in structure for the bolt head of bolt described in support is less than the backing plate upper surface.
- 5. switch bed plate according to claim 1 sunk type steel sleeve structure, it is characterised in that the pressure-bearing platform with it is described Backing plate upper surface Elastic Contact, the pressure-bearing platform are cover-plate type, and leave the installing space for setting elastic washer.
- 6. switch bed plate according to claim 1 sunk type steel sleeve structure, it is characterised in that the steel bushing lower body part Realize that shaft hole matching is located by connecting using integrated vulcanizing formula fit system by backing plate hole with backing plate.
- 7. switch bed plate according to claim 6 sunk type steel sleeve structure, it is characterised in that the integrated vulcanizing formula is matched somebody with somebody Conjunction mode, which is included in factory, to be vulcanized, on the outside of the steel bushing main body between the internal diameter of backing plate hole, the pressure-bearing platform lower edge and pad Between by vulcanizing rubber bound on plate hole.
- 8. switch bed plate according to claim 1 sunk type steel sleeve structure, it is characterised in that the steel bushing lower body part Realize that shaft hole matching is located by connecting using split type fit system by backing plate hole with backing plate.
- 9. switch bed plate according to claim 8 sunk type steel sleeve structure, it is characterised in that the split type cooperation side Formula includes carrying out cooperation installation at the scene, and the pressure-bearing platform lower outside is provided with nylon composite bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711167302.8A CN107747256A (en) | 2017-11-21 | 2017-11-21 | A kind of switch bed plate sunk type steel sleeve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711167302.8A CN107747256A (en) | 2017-11-21 | 2017-11-21 | A kind of switch bed plate sunk type steel sleeve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107747256A true CN107747256A (en) | 2018-03-02 |
Family
ID=61251553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711167302.8A Pending CN107747256A (en) | 2017-11-21 | 2017-11-21 | A kind of switch bed plate sunk type steel sleeve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107747256A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2083111B (en) * | 1980-09-06 | 1984-06-13 | Uderstadt Diether | Sound-insulating railway track |
| CN87212522U (en) * | 1987-11-25 | 1988-09-07 | 上海铁路分局苏州工务段 | Protective cover for bolts and nuts |
| CN1049039A (en) * | 1989-07-10 | 1991-02-06 | 沃斯特-阿尔派因采特韦格股份有限公司 | Fastening device for rails |
| DE29723556U1 (en) * | 1997-10-11 | 1998-11-05 | Fried. Krupp Ag Hoesch-Krupp, 45143 Essen Und 44145 Dortmund | Device for resiliently bracing a support plate for a rail fastening |
| CN201006966Y (en) * | 2006-12-28 | 2008-01-16 | 铁道科学研究院铁道建筑研究所 | Steel rail fastener |
| CN201047044Y (en) * | 2007-05-21 | 2008-04-16 | 铁道科学研究院铁道建筑研究所 | Non-ballast track fastener components having shoulder-block |
| CN202380370U (en) * | 2011-11-04 | 2012-08-15 | 王启平 | Novel rust-proof protective shield component |
| CN202559189U (en) * | 2012-04-24 | 2012-11-28 | 安徽省巢湖铸造厂有限责任公司 | Urban railway system ballastless fastener |
| RU164071U1 (en) * | 2015-06-10 | 2016-08-20 | Вадим Витальевич Горбань | Rail fastening |
-
2017
- 2017-11-21 CN CN201711167302.8A patent/CN107747256A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2083111B (en) * | 1980-09-06 | 1984-06-13 | Uderstadt Diether | Sound-insulating railway track |
| CN87212522U (en) * | 1987-11-25 | 1988-09-07 | 上海铁路分局苏州工务段 | Protective cover for bolts and nuts |
| CN1049039A (en) * | 1989-07-10 | 1991-02-06 | 沃斯特-阿尔派因采特韦格股份有限公司 | Fastening device for rails |
| DE29723556U1 (en) * | 1997-10-11 | 1998-11-05 | Fried. Krupp Ag Hoesch-Krupp, 45143 Essen Und 44145 Dortmund | Device for resiliently bracing a support plate for a rail fastening |
| CN201006966Y (en) * | 2006-12-28 | 2008-01-16 | 铁道科学研究院铁道建筑研究所 | Steel rail fastener |
| CN201047044Y (en) * | 2007-05-21 | 2008-04-16 | 铁道科学研究院铁道建筑研究所 | Non-ballast track fastener components having shoulder-block |
| CN202380370U (en) * | 2011-11-04 | 2012-08-15 | 王启平 | Novel rust-proof protective shield component |
| CN202559189U (en) * | 2012-04-24 | 2012-11-28 | 安徽省巢湖铸造厂有限责任公司 | Urban railway system ballastless fastener |
| RU164071U1 (en) * | 2015-06-10 | 2016-08-20 | Вадим Витальевич Горбань | Rail fastening |
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Application publication date: 20180302 |