CN103669126B - Automatic adjustment connector for stretching of seamless rails - Google Patents
Automatic adjustment connector for stretching of seamless rails Download PDFInfo
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- CN103669126B CN103669126B CN201310710911.9A CN201310710911A CN103669126B CN 103669126 B CN103669126 B CN 103669126B CN 201310710911 A CN201310710911 A CN 201310710911A CN 103669126 B CN103669126 B CN 103669126B
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- steel bridge
- steady
- rail
- bridge module
- cavity
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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
- E01B11/00—Rail joints
- E01B11/56—Special arrangements for supporting rail ends
Abstract
The invention discloses an automatic adjustment connector for stretching of seamless rails, wherein the automatic adjustment connector is used for connecting the two rails on the front side and the rear side of the automatic adjustment connector respectively. The automatic adjustment connector comprises two connection heads, a plurality of steel bridge modules, a steel bridge box and a base, wherein the base is arranged below the two rails and used for installation of the steel bridge box; the steel bridge box is arranged above the base, located between the two rails and used for bearing the steel bridge modules; the steel bridge modules are installed at the upper end of the steel bridge box, used for supporting wheels of a train, plugged and combined front and back and connected in series; an elastic part is arranged between every two adjacent steel bridge modules so that the distance between the steel bridge modules connected in series can be adjusted; the two connection heads are located on the front side and the rear side of the steel bridge box respectively, are fixed to the two rails respectively, and are in plugging-combining fit with the corresponding steel bridge modules; the elastic parts are arranged between the two connection heads and the corresponding steel bridge modules. The automatic adjustment connector for stretching of the seamless rails has the effect of automatically relieving stress of the rails caused by temperature changes.
Description
Technical field
The present invention relates to seamless rail stress regulation technology field, particularly relate to that seamless rail is flexible regulates connector automatically.
Background technology
Along with the speed-raising of railway transportation, the requirement of industry to rail is more and more higher.In order to ensure that bullet train even running and safety, present high-speed railway generally adopts the scheme of gapless track.Due to the material properties of rail in circuit itself, can produce and expand with heat and contract with cold, such as under 40 degree of temperature difference 1000 kilometers of rails at the deformation quantity of length direction up to more than 400 meters.Industry, in order to solve the breathing problem of gapless track, usually adopts two kinds of gapless track schemes---thermal stresses formula and diffuse thermal stresses formula.
But thermal stresses formula gapless track requires very high to rail and subgrade strength, affect the application life such as rail and roadbed, and in railway operation, supervise maintenance cost comparatively large, needs to carry out disconnected defect detecting test to rail, in time prevention generation rail expansion and disconnected rail accident.Diffuse thermal stresses formula be divided into automatic relief thermal stresses formula and regularly diffuse thermal stresses formula.There is equipment manufacturing complexity in automatic relief formula, the shortcoming that construction cost is high; And regularly diffusing thermal stresses formula, to there is artificial demand large, the shortcoming that maintenance cost is higher.
Summary of the invention
Main purpose of the present invention is to provide that a kind of seamless rail is flexible automatically regulates connector, be intended to reach can automatic relief rail because of geostatic stress that variations in temperature produces, solution rail expands with heat and contract with cold the object of caused rail expansion and disconnected rail problem.
For achieving the above object, seamless rail provided by the invention is flexible regulates connector automatically, for two lengths of rail laying respectively at both sides before and after it being connected, comprises two connectors, multiple steel bridge module, steel bridge case and base; Wherein,
Described base is located at the below of described two lengths of rail, for installing described steel bridge case;
The top of described base is located at by described steel bridge case, and is located between described two lengths of rail, in order to carry described steel bridge module;
Described multiple steel bridge module is installed on the upper end of described steel bridge case, for supporting train wheel, multiple described steel bridge module is the series-like that front and back plug together, and is provided with elastic component between adjacent two steel bridge modules in order to make the distance between the multiple steel bridge modules in series-like adjustable;
Described two connectors lay respectively at the both sides, front and back of described steel bridge case, fix respectively with described two lengths of rail, and plug together with the steel bridge module corresponding to it respectively and coordinate, and are provided with described elastic component between described two connectors and its right steel bridge module.
Preferably, described steel bridge module comprises body and the protuberance that protruded forward by the front end face of described body and the recess caved in forward by the rear end face of described body, described recess inserts for the protuberance of another steel bridge module be positioned on rear side of it, described body and described protuberance upper surface separately jointly for train wheel contact friction;
In described two connectors, one is provided with protuberance, and the recess in order to the steel bridge module with its front inserts and coordinates; Its another be provided with recess, in order to the steel bridge module with its rear protuberance insert coordinate.
Preferably, the soffit of the protuberance of steel bridge module is formed with clasp, and the upper surface of recess is formed with the button bit that can fasten with described clasp; Elastic component between two adjacent steel bridge modules is Compress Spring, and front end face and the rear end face correspondence of steel bridge module are provided with spring mounting hole, in order to fix this Compress Spring.
Preferably, described steel bridge case comprises upper wall, lower wall, supporting walls between described upper wall and lower wall and cavity, the upper wall of described steel bridge case offers interior vertical slot hole and outer vertical slot hole, and described interior vertical slot hole and outer vertical slot hole extend along described steel bridge case fore-and-aft direction, and and described cavity connects;
Steel bridge module also comprises the convex pin of the convex pin in the inner side being formed at its lower surface and outside; The convex pin in described inner side vertical slot hole in described steel bridge case is inserted in described cavity, and the convex pin in described outside is inserted in described cavity through the outer vertical slot hole of described steel bridge case;
Seamless rail stretches and automatically regulates connector also to comprise the multiple skidding sheets being positioned at described cavity, and multiple described skidding sheet is connected with the convex pin of the convex pin in inner side and outside of multiple steel bridge module respectively.
Preferably, the soffit of the upper wall of the unilateral and described steel bridge case of described skidding sheet is relative, and be also provided with steel ball between the soffit of the upper wall of described steel bridge case and described skidding sheet, this steel ball is rotatably embedded on described skidding sheet.
Preferably, also comprise all steady device for regulating multiple steel bridge intermodule distance, the multiple all steady bar that described all steady device comprises a shell with cavity, multiple all steady seat in described cavity and in arranged in series is connected with described all steady seat and upwards extend and pass described shell and the distance piece be located at described in adjacent two all surely between seat, the described all steady seats of described distance piece two of being adjacent connect, to limit distance between this two all steady seat within the specific limits;
Described all steady device is installed in steel bridge case, and its rear and front end is fixed with connector described in two respectively; Described multiple all steady bar respectively with described multiple steel bridge model calling, to stablize the spacing between described multiple steel bridge module.
Preferably, the upper wall of described steel bridge case also comprises vertical slot hole between described interior vertical slot hole and outer vertical slot hole; Described all steady seat is located in the cavity of described steel bridge case, and described all steady bar is upwards extended by described middle vertical slot hole and fixes with the protuberance of described multiple steel bridge module respectively.
Preferably, the upper surface of described all steady seat is formed with dentation and protrudes, and the soffit of described shell is provided with tooth-strip part in the position of the dentation protrusion of the described all steady seat of correspondence.
Preferably, described all steady seat inside is formed with cavity, and the surface in opposite directions of adjacent two described all steady seats is formed with the axis hole be connected with cavity; The distance piece of described all steady device comprises spring and connecting rod, described connecting rod comprises the body of rod and is positioned at the end cap at body of rod two ends, described two end caps are placed in the cavity of its right described all steady seat respectively, the described body of rod is through the axis hole of this two all steady seat, and described connecting rod is in order to limit the most long spacing of this two all steady seat; The two ends of described spring are connected to the forward surface of this two all steady seat respectively, in order to limit the shortest spacing of this two all steady seat.
Preferably, also comprise the force aid part in the outside being located at multiple steel bridge module, described force aid part is for limiting the outwards movement of described steel bridge module.
Seamless rail disclosed in this invention is flexible regulates connector (be called for short stress hereinafter and regulate connector) automatically, connector is regulated by stress to be located between two lengths of rail, when rail is at expanded by heating during Distance Shortened, stress regulates the spacing in connector between adjacent two steel bridge modules to be compressed, thus is convenient to rail expansion elongation deformation; When rail being subject to cold events, elongate by distance, stress regulates the spacing between two steel bridge modules adjacent in connector to be stretched, thus is convenient to rail contraction shortening deformation.Stress disclosed in the present embodiment regulates connector initiatively to solve the thermal stresses problem of rail, and the reasonable in design connecting rail has innovation, and easy to maintenance, cost is relatively low, can merge in aggregates with rail; This stress regulates connector to be applicable to existing jointed track, common line can be transformed into gapless track, realizes the high-speed cruising of train and the quick transformation of gapless track and development.
Accompanying drawing explanation
Fig. 1 is that the seamless rail of the present invention stretches and automatically regulates the package assembly schematic diagram of connector one embodiment;
Fig. 2 is that in Fig. 1, seamless rail stretches and automatically regulates the package assembly partial schematic sectional view of connector;
Fig. 3 is that in Fig. 2, seamless rail stretches the structural representation of the steel bridge module automatically regulating connector;
Fig. 4 is that in Fig. 2, seamless rail stretches the structural representation of the connector rearward automatically regulating connector;
Fig. 5 is that in Fig. 2, seamless rail stretches the structural representation of the forward connector automatically regulating connector;
Fig. 6 is that in Fig. 2, seamless rail stretches the structural representation of the steel bridge case automatically regulating connector;
Fig. 7 is that in Fig. 2, seamless rail stretches and automatically regulates the structural representation of connector partial enlargement;
Fig. 8 is that in Fig. 7, seamless rail stretches the structural representation of the skidding sheet automatically regulating connector;
Fig. 9 is that in Fig. 2, seamless rail stretches the structural representation of all steady device automatically regulating connector;
Figure 10 is the structural representation of all steady device partial enlargement in Fig. 9;
Figure 11 is that in Fig. 2, seamless rail stretches the structural representation of the force aid part automatically regulating connector;
Figure 12 is that in Fig. 2, seamless rail stretches the structural representation of the junction plate automatically regulating connector.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
It should be noted that in the embodiment of the present invention, the XYZ rectangular coordinate system definition according to setting up in Fig. 1: the side side of being defined as being positioned at X-axis positive direction, the side being positioned at X-axis negative direction is defined as foreign side; The side being positioned at Y-axis positive direction is defined as front, and the side being positioned at Y-axis negative direction is defined as rear; The side being positioned at Z axis positive direction is defined as top, and the side being positioned at Z axis negative direction is defined as below.
The invention provides that a kind of seamless rail is flexible regulates connector (regulating connector referred to as stress hereinafter) automatically, for two lengths of rail laying respectively at both sides before and after it are connected, see figures.1.and.2, in one embodiment, this stress regulate connector comprise connector 11,12, multiple steel bridge module 2, steel bridge case 3, all steady device 4, base 5.Wherein, base 5 is located at the below of two lengths of rail, for installing steel bridge case 3; The top of base 5 is located at by steel bridge case 3, and is located between two lengths of rail, in order to carry steel bridge module 2; Steel bridge module 2 is installed on the upper end of steel bridge case 3, for supporting train wheel, the series-like that multiple steel bridge module 2 plugs together in front and back, and be provided with elastic component 6 between adjacent two steel bridge modules 2 in order to make the distance between the multiple steel bridge modules 2 in series-like adjustable, namely the multiple steel bridge modules 2 in series-like should have telescopic effect; Two connectors 11,12 lay respectively at the both sides, front and back of steel bridge case 3, fix respectively with two lengths of rail, and plug together with the steel bridge module 2 corresponding to it respectively and coordinate, and are provided with elastic component 6 between two connectors 11,12 and its right steel bridge module 2.Connector 11,12 and rail fixing can be that the mode such as weld or be spirally connected is connected.
Stress disclosed in the present embodiment regulates connector, connector is regulated by stress to be located between two lengths of rail, when rail is at expanded by heating during Distance Shortened, stress regulates the spacing in connector between adjacent two steel bridge modules 2 to be compressed, thus is convenient to rail and expands and extend deformation; When rail being subject to cold events, elongate by distance, stress regulates the spacing between two steel bridge modules 2 adjacent in connector to be stretched, thus is convenient to rail contraction shortening deformation.Stress disclosed in the present embodiment regulates connector initiatively to solve the thermal stresses problem of rail, and reasonable in design has innovation, and easy to maintenance, cost is low, can be in aggregates with rail; And this stress regulates connector to be applicable to existing jointed track, common line can be transformed into gapless track, to realize quick transformation and the development of gapless track.
In utilization, what the present embodiment provided answers power connector, detachably replaceable by steel bridge module 2 thereon, the steel bridge module 2 that therefore can specification be adopted as required different, thus to adapt to the temperature feature of different regions.In order to cost of production can be reduced and improve the stability of answering power connector, in the multiple steel bridge modules 2 in series-like, be positioned at two steel bridge modules 2 of head and the tail for non-standard component, and remaining steel bridge module 2 is standard component; Be two steel bridge modules 2 of non-standard component by replacing or adjust what be positioned at head and the tail again, such as, adopt longer or shorter steel bridge module 2 etc., the spacing between whole multiple steel bridge modules 2 in series-like is remained on preferably in scope.
Particularly, connector 11,12 connects for crossing with rail, therefore adopts the wear-resistant steel material that intensity close to rail is high.And connector needs and rail remains on a plane, to avoid producing the junction with difference in height; Rail extendable room is left in the middle of the lower part of connector 11,12 and steel bridge case.Steel bridge case 3 adopts steel, and rear and front end is respectively provided with a joint hole slot 35, for holding connector 11,12 respectively; Lower end and the rail of steel bridge case 3 are consistent, to combine together with rail.
Please refer to Fig. 3, in the present embodiment, steel bridge module 2 comprises body 21 and the protuberance 22 that protruded forward by the front end face of body 21 and the recess 23 caved in forward by the rear end face of body 21, recess 23 inserts for the protuberance 22 being positioned at another steel bridge module 2 on rear side of it, and body 21 and the respective upper surface of protuberance 22 all for train wheel contact friction.
Please refer to Fig. 4 and Fig. 5, in two connectors 11,12, one connector 11 is provided with protuberance 111, and the recess 23 in order to the steel bridge module 2 with its front inserts and coordinates; Its another connector 12 is provided with recess 121, and the protuberance 22 in order to the steel bridge module 2 with its rear inserts and coordinates.
The stress that the present embodiment provides regulates connector, in train wheel presses through, in two often adjacent steel bridge modules 2, and the upper surface pressurized simultaneously of the upper surface of the protuberance 22 of a rear steel bridge module 2 and the body 21 of last steel bridge module 2; Therefore, two adjacent steel bridges can not produce the gradient because of unbalance stress, thus produce shock when avoiding train wheel from a steel bridge module 2 to another steel bridge module 2.
In the present embodiment, the soffit of the protuberance 22 of steel bridge module 2 is formed with clasp 221, and the upper surface of recess 23 is formed with the button bit (invisible in figure, not mark) that can fasten with clasp 221; Elastic component 6 between two adjacent steel bridge modules 2 is Compress Spring, and front end face and the rear end face correspondence of steel bridge module 2 are provided with spring mounting hole 24, in order to fix this Compress Spring.In other embodiments, also can be that the inside and outside both ends of the surface of the protuberance 22 of steel bridge module 2 are formed with clasp 221, the inside and outside both ends of the surface of recess 23 be formed with button bit; Or the scheme that two adjacent steel bridge modules also can be spirally connected by bolt is connected.
Incorporated by reference to referring to Fig. 6, in the present embodiment, steel bridge case 3 comprises upper wall 31, lower wall 32, supporting walls 33 between upper wall 31 and lower wall 32 and cavity 34, the upper wall 31 of steel bridge offers interior vertical slot hole 311 and outer vertical slot hole 312, interior vertical slot hole 311 and outer vertical slot hole 312 extend along the fore-and-aft direction of steel bridge case 3, and are communicated with cavity 34; Steel bridge module 2 also comprises the convex pin 26 of the convex pin in the inner side being formed at its lower surface 25 and outside; The convex pin 25 in inner side vertical slot hole 311 in steel bridge case 3 is inserted in cavity 34, and the convex pin in outside 26 is inserted in cavity 34 through the outer vertical slot hole 312 of steel bridge case 3.Further, there is a stuck-module 36 centre of the upper wall 31 of steel bridge case 3, and the structure of this stuck-module 36 is identical with steel bridge module 2, namely can be considered that a steel bridge module 2 is one-body molded with steel bridge case 3; Thus reach the effect forming a fixed support between multiple steel bridge module 2, avoid the movable part too much long instability brought.
Incorporated by reference to referring to Fig. 6 to Fig. 8, in order to can the convex pin 26 of the convex pin in inner side 25 and outside in fastening insertion cavity 34, stress regulates connector also to comprise the multiple skidding sheets 7 being positioned at cavity 34, multiple skidding sheet 7 is connected with the convex pin of the convex pin in inner side 25 and outside 26 of multiple steel bridge module 2 respectively (illustrate only the installation effect of convex pin 25 side, inner side in figure, the installation effect of the convex pin 26 in outside is identical), particularly, skidding sheet 7 is provided with through hole 71, the convex pin 25 in inner side and the convex pin 26 in outside are provided with screw (mark), skidding sheet 7 and steel bridge module 2 is screwed tight again by multiple bolt 73.Further, the soffit of the upper wall 31 of the unilateral and steel bridge case 3 of skidding sheet 7 is relative, namely improves stability by increasing contact area, thus steel bridge module 2 can be avoided crooked under the effect of train wheel.In order to skidding sheet 7 and the friction of upper wall 31 inner surface of steel bridge case 3 can be reduced, between the soffit of the upper wall 31 of steel bridge case 3 and skidding sheet 7, be also provided with steel ball (not marking in figure).Particularly, this steel ball is rotatably embedded on skidding sheet 7, and skidding sheet 7 is provided with four hole slots 72 to hold four steel balls.Correspondingly, lubricant medium can be added between upper wall 31 upper surface of steel bridge case 3 and steel bridge module 2, in order to reduce the frictional force between steel bridge case 3 and steel bridge module 2, and make steel moald-cavity and bridge case keep zero abrasion.
In other embodiments, steel bridge case 3 also can be a solid rectangles, and surface is formed with multiple groove thereon, in order to limit each steel bridge module 2 respectively, then steel bridge module 2 is installed in the groove of this steel bridge case 3 by briquette structure.
Owing to can produce huge frictional force in train high speed driving, it is movable that this can make steel bridge module 2 produce on steel bridge case 3, and this moves and steel bridge module 2 and steel bridge case 3 can be made friction to occur and damage mutually, also can cause instability to train simultaneously.For addressing this problem, in the present embodiment, stress adjustment connector also comprises all steady device 4 for regulating multiple steel bridge module 2 spacing, all steady device 4 comprises the shell 41 that has cavity 411, is arranged in cavity 411 and multiple all steady seat 42 in arranged in series and be connected with all steady seat 42 and upwards extend and pass multiple all surely bars 43 of shell 41.All steady device 4 also comprises multiple distance piece 44, and be namely provided with a distance piece 44 between every two all steady seats 42, each distance piece 44 is connected with adjacent two all steady seats 42, to limit two distances all surely between seat 42 within the specific limits.All steady device 4 is installed in steel bridge case 3, and its rear and front end is fixed with two connectors 11,12 respectively, thus fixes with two rails; Multiple all steady bar 43 is connected with steel bridge module 2, respectively with the spacing between stabilized steel bridge module 2.Particularly, the two ends of all steady device 4 are connected with two connectors 11,12 respectively by two connecting rods 45.Two connecting rods 45 are provided with installing hole, for being spirally connected fixing by bolt with connector 11,12.
All steady device 4, it at train vibration influence and stabilized steel bridge module 2 during brake, can make steel bridge module 2 keep all equidistant, and can stretch with rail and link again, not affect the regulatory function that stress regulates connector.The top of all steady bar 43 is also provided with anti-skidding plug 432 and curvature elastic component 433, in order to increase the stability of all steady device 4.Equally, in utilization, due to the gap between the rail of two ends, be usually in the scope of a fluctuation, all steady device 4, in order to adapt to these situations, can arrange the multiple installing holes in row's shape, be spirally connected fixing for bolt on two connecting rods 45 of all steady device 4; Or installing hole is arranged long round.
In the present embodiment, the upper wall 31 of steel bridge case 3 also comprises vertical slot hole 313 between vertical slot hole 311 and outer vertical slot hole 312; All steady seat 42 is located in the cavity 34 of steel bridge case 3, and all steady bar 43 is upwards extended by middle vertical slot hole 313 and is connected with multiple steel bridge module 2 respectively.For the ease of installing all steady device, there is opening (invisible in figure) position of diapire 32 vertical slot hole 313 in correspondence of steel bridge case 3, for being mounted in the cavity 34 of steel bridge case 3 by all steady device 4.In the present embodiment, the latter end of all steady bar 43 is provided with screw thread 413, and steel bridge module 2 is provided with screw (not shown) in the position of correspondence, and all steady bar 43 and steel bridge module 2 are spirally connected fastening.Particularly, in order to good stablizing effect can be played, all steady bar 43 is connected to the lower end of the protuberance 22 of steel bridge module 2, thus make steel bridge module 2 comprise three installation sites, place, be respectively convex pin 25 place, inner side, convex pin 26 place, outside and protuberance 22 place, this installation site, three places is triangular shape, thus can reach preferably stablizing effect.
In the present embodiment, the upper surface of all steady seat 42 is formed with dentation and protrudes 421, the soffit of shell 41 is provided with tooth-strip part 412 in the position of the dentation protrusion 421 of all steady seat 42 of correspondence, in order to when train wheel presses through, shell 41 engages mutually with all steady seat 42, occurs displacement to avoid all steady seat 42 in the cavity 411 of shell 41.
In the present embodiment, the distance piece 44 of all steady device 4 comprises spring 441 and connecting rod 442, and connecting rod 442 is for limiting the longest interval between two adjacent all steady seats 42; Spring 441 for limiting the beeline between adjacent two all steady seats 42, and adjacent two all steady seat 42 move toward one another time produce damping.Particularly, all steady seat 42 inside is formed with cavity 422, and the surface in opposite directions of adjacent two all steady seats 42 is formed with the axis hole (fill by connecting rod 442, do not mark) be connected with cavity 422; Connecting rod 442 comprises the body of rod 4421 and is positioned at the end cap 4422 at the body of rod 4421 two ends, two end caps 4422 are placed in the cavity 422 of its right all steady seat 42 respectively, the body of rod 4421 is through the axis hole of this two all steady seat 42, and connecting rod 442 is in order to limit the most long spacing of this two all steady seat 42; The two ends of spring 441 are connected to the forward surface of this two all steady seat 42 respectively, in order to limit the shortest spacing of this two all steady seat 42.
In other embodiments, distance piece 44 also can be other structure, such as, other elastic components can be adopted to replace spring 441, and such as block rubber limits the beeline between two adjacent all steady seats 42; Connecting rod 442 also can adopt other other connectors to replace, and such as employing cable wire limits the longest interval between two adjacent all steady seats 42; Magnetic force can certainly be adopted to limit the beeline between two adjacent all steady seats 42, such as, adopt two magnet to be located at respectively on two all steady seats 42, and homopolarity is relative, in order to produce repulsive force.
Because train wheel wheel when overstress regulates connector can produce extruding force in side from inside to outside, in order to this extruding force can be overcome, in the present embodiment, also comprise the force aid part 8 in the outside being located at multiple steel bridge module 2, force aid part 8 moves laterally for limiting steel bridge module 2.Namely under the rolling of wheel, force aid part 8 produces downward motion, and in the motion that this is downward, force aid part 8 can also produce inside compressional movement, thus plays and prevent steel bridge module 2 from outwards departing to reach stabilized steel module object.In the present embodiment, power assistant arm that force aid part 8 comprises 81 and be located at the elastic component 83 of power assistant arm 81 lower end, the cross section (not shown) of this power assistant arm 81 is large trapezoidal in little upper end, lower end, is provided with elastic component 84 between power assistant arm 81 and steel bridge module 2.When train wheel presses through this power assistant arm 81, elastic component 83 can be compressed, and the larger upper end of power assistant arm 81 will decline, thus causes power assistant arm 81 to diminish with the spacing of steel bridge module 2, thus can extrude elastic component 84 therebetween, thus produce resistance inwards.Further, the lower end of power assistant arm 81 is provided with soft material 82, in order to produce deformation, avoids the upper end of power assistant arm 81 to produce excessive support force to train wheel.In other embodiments, this force aid part 8 can also adopt other structures, in order to push against the outside of steel bridge module 2, thus when steel bridge module 2 is outwards mobile, plays the effect of restriction.Such as, this force aid part 8 can also adopt hydraulic push rod to produce to the resistance of module in order to stable connector.
In the present embodiment, also comprise the junction plate 9 for connecting steel bridge case 3 and two lengths of rail, particularly, this junction plate 9 comprises the long round 91 for being spirally connected, can move along its long row direction with for bolt, thus when fastening steel bridge case 3 and rail, can adjustable range.
Stress disclosed in the present embodiment regulates connector to have following advantage: the stress problem initiatively solving track, rail expansion and disconnected rail accident can not occur, improve the safety of train driving; Opposite point adjuster is installed simple, and easy to maintenance, cost is low, can be in aggregates with rail; The gap simultaneously can also determining between the size of the steel bridge module 2 adopted and multiple steel bridge module 2 according to the weather in different areas, be beneficial to the stability keeping rail, and railroad maintenance staff can also by observing the gap between steel bridge module 2, understand breathing situation and the Changing Pattern of rail, be more conducive to the maintenance work of railway; Because rail stress is discharged, reduce the tolerance of roadbed and rail, improve the application life of railway; Reduce the technical requirements such as railroad building cost and subgrade strength.
At present, China is in the great development period of railway construction, the development of high-speed railway becomes direction and the power of China railways and economic development especially, present most of metropolis is all at plan and construction subway gapless track, and in large scale, the stress disclosed in the present embodiment regulates connector to be utilized very well.The original circuit of China is generally 25m(or 12.5m) standard steel rail laying, the gap between it is 8mm(or 16mm); When transforming these circuits, first the circuit of 25m can be welded and be linked to be 200-500 rice and above one section of seamless rail, and between two sections of seamless rails, install this stress adjustment connector to solve the stress problem of seamless rail, realize the leap linkage function of two sections of seamless rails; This stress regulates connector and seamless rail can meet 350 kilometers of train safe driving requirements.Use this stress to regulate the improvement project of connector, input cost is relatively low, and it is convenient to use, and can realize quick transformation and the development of gapless track.Railway transportation cause is basis and the power of economic development, very important impact is had on national economic development, in communications and transportation, to have freight volume large for railway, speed waits the drive economic development special point such as significantly soon, China is the country of railway transportation capability wretched insufficiency, overstate and go out work outside the province and recurrent population is huge, it's very hard to buy a train ticket especially in annual spring transportation, if Chinese Railway all can be transformed into gapless track, not only transport capacity can be improved, investment and maintenance cost and technical difficulty can also be reduced, accelerate the development speed of high-speed railway, the communications and transportation of China will be given, people are lived, the everyways such as social environment are significant.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize manual of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. seamless rail is flexible regulates a connector automatically, for two lengths of rail laying respectively at both sides before and after it being connected, it is characterized in that, comprise two connectors, multiple steel bridge module, steel bridge case and base; Wherein,
Described base is located at the below of described two lengths of rail, for installing described steel bridge case;
The top of described base is located at by described steel bridge case, and is located between described two lengths of rail, in order to carry described steel bridge module;
Described multiple steel bridge module is installed on the upper end of described steel bridge case, for supporting train wheel, multiple described steel bridge module is the series-like that front and back plug together, and is provided with elastic component between adjacent two steel bridge modules in order to make the distance between the multiple steel bridge modules in series-like adjustable;
Described two connectors lay respectively at the both sides, front and back of described steel bridge case, fix respectively with described two lengths of rail, and plug together with the steel bridge module corresponding to it respectively and coordinate, and are provided with described elastic component between described two connectors and its right steel bridge module; Described steel bridge module comprises body and the protuberance that protruded forward by the front end face of described body and the recess caved in forward by the rear end face of described body, described recess inserts for the protuberance of another steel bridge module be positioned on rear side of it, described body and described protuberance upper surface separately jointly for train wheel contact friction;
In described two connectors, one is provided with protuberance, and the recess in order to the steel bridge module with its front inserts and coordinates; Its another be provided with recess, in order to the steel bridge module with its rear protuberance insert coordinate.
2. seamless rail as claimed in claim 1 is flexible regulates connector automatically, and it is characterized in that, the soffit of the protuberance of steel bridge module is formed with clasp, and the upper surface of recess is formed with the button bit that can fasten with described clasp; Elastic component between two adjacent steel bridge modules is Compress Spring, and front end face and the rear end face correspondence of steel bridge module are provided with spring mounting hole, in order to fix this Compress Spring.
3. seamless rail as claimed in claim 1 is flexible regulates connector automatically, it is characterized in that, described steel bridge case comprises upper wall, lower wall, supporting walls between described upper wall and lower wall and cavity, the upper wall of described steel bridge case offers interior vertical slot hole and outer vertical slot hole, described interior vertical slot hole and outer vertical slot hole extend along described steel bridge case fore-and-aft direction, and and described cavity connects;
Steel bridge module also comprises the convex pin of the convex pin in the inner side being formed at its lower surface and outside; The convex pin in described inner side vertical slot hole in described steel bridge case is inserted in described cavity, and the convex pin in described outside is inserted in described cavity through the outer vertical slot hole of described steel bridge case;
Seamless rail stretches and automatically regulates connector also to comprise the multiple skidding sheets being positioned at described cavity, and described multiple skidding sheet is connected with the convex pin of the convex pin in inner side and outside of described multiple steel bridge module respectively.
4. seamless rail as claimed in claim 3 is flexible regulates connector automatically, it is characterized in that, the soffit of the upper wall of the unilateral and described steel bridge case of described skidding sheet is relative, also be provided with steel ball between the soffit of the upper wall of described steel bridge case and described skidding sheet, this steel ball is rotatably embedded on described skidding sheet.
5. seamless rail as claimed in claim 3 is flexible regulates connector automatically, it is characterized in that, also comprise all steady device for regulating multiple steel bridge intermodule distance, the multiple all steady bar that described all steady device comprises a shell with cavity, multiple all steady seat in described cavity and in arranged in series is connected with described all steady seat and upwards extend and pass described shell and the distance piece be located at described in adjacent two all surely between seat, the described all steady seats of described distance piece two of being adjacent connect, to limit distance between this two all steady seat within the specific limits;
Described all steady device is installed in steel bridge case, and its rear and front end is fixed with connector described in two respectively; Described multiple all steady bar respectively with described multiple steel bridge model calling, to stablize the spacing between described multiple steel bridge module.
6. seamless rail as claimed in claim 5 is flexible regulates connector automatically, and it is characterized in that, the upper wall of described steel bridge case also comprises vertical slot hole between described interior vertical slot hole and outer vertical slot hole; Described all steady seat is located in the cavity of described steel bridge case, and described all steady bar is upwards extended by described middle vertical slot hole and fixes with the protuberance of described multiple steel bridge module respectively.
7. seamless rail as claimed in claim 5 is flexible regulates connector automatically, it is characterized in that, the upper surface of described all steady seat is formed with dentation and protrudes, and the soffit of described shell is provided with tooth-strip part in the position of the dentation protrusion of the described all steady seat of correspondence.
8. seamless rail as claimed in claim 5 is flexible regulates connector automatically, it is characterized in that, described all steady seat inside is formed with cavity, and the surface in opposite directions of adjacent two described all steady seats is formed with the axis hole be connected with cavity; The distance piece of described all steady device comprises spring and connecting rod, described connecting rod comprises the body of rod and is positioned at the end cap at body of rod two ends, described two end caps are placed in the cavity of its right described all steady seat respectively, the described body of rod is through the axis hole of this two all steady seat, and described connecting rod is in order to limit the most long spacing of this two all steady seat; The two ends of described spring are connected to the forward surface of this two all steady seat respectively, in order to limit the shortest spacing of this two all steady seat.
9. seamless rail as claimed in claim 1 is flexible regulates connector automatically, and it is characterized in that, also comprise the force aid part in the outside being located at multiple steel bridge module, described force aid part is for limiting the outwards movement of described steel bridge module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310710911.9A CN103669126B (en) | 2013-11-05 | 2013-12-20 | Automatic adjustment connector for stretching of seamless rails |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310541139.2 | 2013-11-05 | ||
| CN201310541139 | 2013-11-05 | ||
| CN201310710911.9A CN103669126B (en) | 2013-11-05 | 2013-12-20 | Automatic adjustment connector for stretching of seamless rails |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103669126A CN103669126A (en) | 2014-03-26 |
| CN103669126B true CN103669126B (en) | 2015-01-07 |
Family
ID=50307843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310710911.9A Expired - Fee Related CN103669126B (en) | 2013-11-05 | 2013-12-20 | Automatic adjustment connector for stretching of seamless rails |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103669126B (en) |
| WO (1) | WO2015067134A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938506B (en) * | 2014-05-14 | 2016-03-16 | 中铁二院工程集团有限责任公司 | Medium-and low-speed maglev system track F rail joint design |
| CN106894334B (en) * | 2017-04-17 | 2019-02-26 | 中铁第四勘察设计院集团有限公司 | A kind of expansion gap device for large span magnetic floating traffic bridge |
| EP3477004B1 (en) * | 2017-10-25 | 2020-02-26 | Jörg Beutler | Rail system having expansion joint |
| CN109301776B (en) * | 2018-11-13 | 2020-06-02 | 六安市匠心信息科技有限公司 | Bridge capable of preventing water from accumulating at bottom |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1455695A (en) * | 1922-09-28 | 1923-05-15 | Woll Joseph | Rail joint |
| CN1051593C (en) * | 1995-03-31 | 2000-04-19 | 陈吉祥 | Rail joint device |
| CN2221050Y (en) * | 1995-04-25 | 1996-02-28 | 衡水橡胶股份有限公司 | Bridge extension seem device |
| JPH1082002A (en) * | 1996-09-06 | 1998-03-31 | H S S T Kaihatsu Kk | Joint clearance dispersion type track for railway |
| FR2972733B1 (en) * | 2011-03-14 | 2013-03-22 | Vossloh Cogifer | DEVICE FOR EXPANDING A GUIDE RAIL |
-
2013
- 2013-12-20 CN CN201310710911.9A patent/CN103669126B/en not_active Expired - Fee Related
-
2014
- 2014-10-28 WO PCT/CN2014/089714 patent/WO2015067134A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015067134A1 (en) | 2015-05-14 |
| CN103669126A (en) | 2014-03-26 |
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