CN101333792B - Elastic sleeper type ballastless bed - Google Patents
Elastic sleeper type ballastless bed Download PDFInfo
- Publication number
- CN101333792B CN101333792B CN2007100166806A CN200710016680A CN101333792B CN 101333792 B CN101333792 B CN 101333792B CN 2007100166806 A CN2007100166806 A CN 2007100166806A CN 200710016680 A CN200710016680 A CN 200710016680A CN 101333792 B CN101333792 B CN 101333792B
- Authority
- CN
- China
- Prior art keywords
- sleeper
- elastic
- type ballastless
- backing plate
- block
- 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.)
- Active
Links
Images
Landscapes
- Railway Tracks (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention relates to a railroad track structure, which comprises a ballast bed body, sleepers and elastic supporting elements, rails are fixedly arranged on the sleepers by track fasteners, the sleepers are positioned on the ballast bed body, the elastic supporting elements and an adjustment height device are disposed under the sleepers, guiding devices are arranged inside or on side faces of the sleepers, and the guiding devices can correspondingly adjust or reserve the guiding stroke following the height change of the adjustment height device. The railroad track structure greatly facilitates the overhauling, maintenance repairs and replacements of the sleepers, and effectively reduces the construction cost, and can better ensure the stable and safe vehicle running while guaranteeing the original advantages of vibration reduction, noise reduction and anti-attrition of the traditional elastic supporting block type ballastless track, thereby being favorable for further extending the service life of equipment, reducing the workload of track maintenance, saving the maintenance cost, and reducing the cost of transportation, and the railroad track structure can be widely used for the modification of the original sleeper type ballastless track beds or the construction of new sleeper type ballastless track beds.
Description
Technical field
The invention belongs to railway ballast, especially relate to a kind of track structure of railway, specifically can be railway, subway, city railway, elevated railway, high-speed railway etc.
Background technology
Conventional railway track adopts and to lay railway sleepers on roadbed, and fixing rail on sleeper covers the mode of constructing of certain thickness road stone around road bed and sleeper, in use will regularly carry out maintaining, as changing sleeper, adding road stone etc.Because railway line is often passed through the tunnel, if in the tunnel, adopt the railroad track of said structure, not only construct inconvenience, more distinct issues are to keep in repair extremely inconvenience, for tackling this situation, a kind of solid concrete roabed construction structure railway with the alternative sleeper of elastic supporting block (comprising reinforced concrete sleeper and elastic caoutchouc sleeve gasket) arises at the historic moment.Existing construction method is the groove with elastic supporting block sealing around embedding from top to bottom that the railway roadbed body is provided with, is located at rail shelf on the elastic supporting block then and utilizes fastener locking.Though this construction method has made things convenient for railroad track constructing and keeping in repair in special locations such as tunnels to a certain extent, but when maintain and replace sleeper or elastic caoutchouc cushion cover, rail must be pulled down or lifted certain altitude and could take out elastic supporting block, very inconvenient, especially quite a few operation place all in the open air, the relevant device and the very inconvenience of instrument of raising rail is carried in transportation, bring very big difficulty for the construction of maintain and replace elastic supporting block, centering location of rail and adjust operation such as rail height and also will expend a large amount of man-hours again after the replacing.In addition; this groove structure that sleeper is installed from top to bottom the phenomenon that rainwater can't be discharged occurs pouring into through regular meeting; vehicle is squeezed and can outwards emerges from recess edge through out-of-date water; be commonly called as and emit slurry, water can seriously reduce the elasticity of rubber pad under the sleeper, increases the rigidity of system; weaken effectiveness in vibration suppression; reduce the comfort level of train operation, and quicken pillow wearing out of rubber pad down, reduce its application life.And, sink for the railway roadbed body that causes because of reasons such as construction or geology variations is local, because sleeper is linked together by rail, can't move with railway roadbed, therefore form the unsettled phenomenon of local sleeper easily, train can sink suddenly through out-of-date sleeper pressurized, not only causes the damage of sleeper and rail easily, returns traffic safety and brings great hidden danger.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, need not remove rail when a kind of maintenance is provided, can effectively prevent to emit the slurry phenomenon, and can adjust sleeper working depth elastic sleeper type ballastless bed with the compensated foundation sedimentation easily.
The present invention realizes like this, comprise railway roadbed body, sleeper and elastic supporting element, rail is fixedly installed on the sleeper by rail clip, sleeper places on the railway roadbed body, elastic supporting element and height-regulating device are set below the sleeper, sleeper inside or side are provided with guiding device, and guiding device can carry out corresponding adjusting or reserve the guiding stroke with the height change of height-regulating device.
Described guiding device comprises block and slide guide device, resilient guiding device or compound direction device.Resilient guiding device comprises elastic guide backing plate or the metallic elastic spare that is arranged between sleeper and the block, elastic guide backing plate or metallic elastic spare directly connect with sleeper and block respectively or connect by joint cover and sleeper and block, the elastic guide backing plate is made of elastomeric material or visco-elastic damping material, greater than the rigidity of elastic supporting element on the vertical direction of track, so promptly can be vertical displacement provides guiding that the elasticity and the vibration isolating effect of horizontal direction can be provided again in track rigidity in a lateral direction for elastic guide backing plate or metallic elastic spare; The compound direction device comprises elastic guide backing plate or the metallic elastic spare that is arranged between sleeper and the block, one side of elastic guide backing plate or metallic elastic spare and sleeper or block directly connect or connect by connecting piece, opposite side is provided with and is used for the wearing face of slip relatively, and the elastic guide backing plate is made of elastomeric material or visco-elastic damping material; Slide guide device is arranged on sleeper inside usually, utilize guide to cooperate, wherein between both slidingsurfaces wearing layer or sliding sleeve can be set, when using slide guide device with duct on the sleeper, as long as intensity is enough, also guide can be used as block.Described elastomeric material comprises glue rubber, elastic polyurethane etc., and visco-elastic damping material comprises high-damping polyurethane, high-damping rubber, solid modified bitumen etc., and selection is very extensive.These three kinds of guide frames are compared, resilient guiding device both can guarantee preferably sleeper elasticity and vibration isolating effect in the horizontal direction, certain vertical elastic displacement can be provided again, so performance the best, its shortcoming mainly is the bigger place of inapplicable sleeper vertical deviation, causes the elastomeric material between sleeper and the block to tear or the damage of metallic elastic spare when vertical deviation is big easily; Common slide guide device is applicable to sleeper horizontal direction elasticity and the less demanding place of horizontal direction vibration isolating effect; The advantage of compound direction device is that it both can adapt to sleeper in its vertical big displacement, can satisfy the requirement at sleeper horizontal direction elasticity and vibration isolating effect again.When using, can select optimum guiding device according to the engineering actual conditions.
Described block comprises non-removable fixed stop and demountable active block stop, the constraint sleeper to the small part block be active block stop, and corresponding being provided with is used to overhaul the space of changing elastic supporting element, height-regulating device or changing whole sleeper.Owing to be provided with active block stop, can unclamp at any time as required or pull down active block stop, raise rail and sleeper a little, just can with elastic supporting element or height-regulating device from sleeper down taking-up overhaul or change; After unclamping rail, also can overhaul or change sleeper, operation is simple and fast very.Can also be provided for jacking or mobile sleeper opening, hole, shackle or bearing pin on the sleeper, or change the opening of elastic supporting element or height-regulating device, so that jacking or mobile sleeper are changed height-regulating device or elastic supporting element.Fixed stop is made of the local boss that protrudes upward of integrated setting on sidewall that is arranged on the groove on the railway roadbed body or the railway roadbed body.The contour shape that described groove or boss and active block stop surround is overlooked to rectangle, trapezoidal or at least one side end are shapes such as circular-arc, trapezoidal, triangle, semicircle, ellipse, and the corresponding position of sleeper also is arranged to corresponding shape.
Height-regulating device of the present invention can be for heightening pad, also can be the base plate that is provided with on the sleeper and heighten bolt and match.Elastic supporting element comprises helical spring, dish spring, metallic elastic spare, the backing plate that rubber or macromolecular material are made and the combination of above-mentioned material, and it has elasticity preferably in that track is vertical.Because the guide and limit that adopts among the present invention has good horizontal directional stability and bigger guide range, therefore, can adopt the vertical preferably supporting element of elasticity, allow bigger vertical elastic displacement, so road of the present invention bed system effectiveness in vibration suppression is better.
The present invention is by being provided with height-regulating device and being provided with Height Adjustable in the sleeper side or reserving the guiding device of heightening standby stroke below sleeper, realized that when guaranteeing sleeper horizontal direction elasticity and stability sleeper can be in the vertical adjustment of carrying out big displacement, solved existing railway roadbed because of a variety of causes sedimentation after the orbit altitude defective that is difficult to readjust, an and difficult problem of heightening back horizontal direction stability decreases.Owing to can adopt resilient guiding device or compound direction device, railway roadbed not only has a vibration isolating effect preferably vertical, and good vibration isolating effect and stability are also arranged in the horizontal direction.Again because the present invention adopts the more open guiding device of structure to carry out spacing to sleeper, overcome prior art and adopted groove that sleeper is carried out the problem that spacing easy generation ponding emits the slurry phenomenon, also making under the situation of lifting rail not significantly level take out sleeper, resilient supporting unit or heighten pad simultaneously becomes possibility.Therefore, greatly facilitate maintenance, maintenance and the replacing operation of sleeper, effectively reduce construction cost, when guaranteeing advantages such as the original vibration damping of traditional elastic supporting blocked rail without ballast, noise reduction, anti-attrition, can better guarantee the steady and safety of vehicle operating, help further prolonging service life of equipment, reduce the orbital maintenance workload, save maintenance cost, reduce cost of transportation, can be widely used in original sleeper type ballastless bed transformation or new sleeper type ballastless bed construction.
Another object of the present invention is to provide a kind of elastic sleeper type ballastless bed active block stop of using, and comprises the active block stop body, fixedly installs elastic guide backing plate or metallic elastic spare on active block stop body and the sleeper matching surface.
The 3rd purpose of the present invention is to provide a kind of elastic sleeper type ballastless bed height-regulating device of using, it comprises heightens bolt, locking nut and base plate, wherein, base plate is arranged at the bottom of sleeper, heighten the bolt-through sleeper and match with base plate, locking nut is arranged on to be heightened on the bolt and is positioned at sleeper top.
The 4th purpose of the present invention is to provide a kind of elastic sleeper type ballastless bed sleeper of using, comprise the sleeper body, at least fixedly install elastic guide backing plate or metallic elastic spare on the local side of sleeper and the end face,, can also fixedly install elastic supporting element in the bottom surface of sleeper for easy for installation.
Description of drawings
Fig. 1 is one of structural representation of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is two of a structural representation of the present invention.
Fig. 5 is three of a structural representation of the present invention.
Fig. 6 is the C-C sectional view of Fig. 5.
Fig. 7 is four of a structural representation of the present invention.
Fig. 8 is the D-D sectional view of Fig. 7.
Fig. 9 is five of a structural representation of the present invention.
Figure 10 is the E-E sectional view of Fig. 9.
Figure 11 is six of a structural representation of the present invention.
Figure 12 is seven of a structural representation of the present invention.
Figure 13 is the F-F sectional view of Figure 12.
Figure 14 is eight of a structural representation of the present invention.
Figure 15 is nine of a structural representation of the present invention.
Figure 16 is the G-G sectional view of Figure 15.
Figure 17 is ten of a structural representation of the present invention.
The specific embodiment
Embodiment one
Elastic sleeper type ballastless bed as Fig. 1, Fig. 2, the present invention shown in Figure 3, comprise railway roadbed body 1, sleeper 2 and rail 4, wherein sleeper 2 is short sleeper, sleeper 2 places on the railway roadbed body 1, utilizes fastener 5 and bolt 6 that rail 4 is fixedly installed on the sleeper 2.Rubber pad 11 is set as elastic supporting element below the sleeper 2, what be provided with in addition that engineering plastics make heightens pad 25 as height-regulating device, heightens pad 25 and is placed on rubber pad 11 tops.The side of sleeper 2 also is provided with guiding device, the fixed stop 10 and the dismountable active block stop 7 that comprise integrated setting on the railway roadbed body 1, active block stop 7 is fixedly installed on the railway roadbed body by fastening bolt 8 and branch sleeve 20, to be limited at the profile that fixed stop 10 and active block stop 7 surround jointly on the railway roadbed body be in the groove of rectangle to sleeper 2 like this, also be respectively arranged with caoutchouc elasticity guiding backing plate 3 between fixed stop 10 and active block stop 7 and sleeper 2 sidewalls, caoutchouc elasticity guiding backing plate 3 and block bonding, when the vertical deviation of sleeper 2 hour forms an elastic guide, when the vertical deviation of sleeper 2 is big, form compound direction.
For local the sinking of the railway roadbed that may occur in the reply use needs to adjust the situation of sleeper 2 height, fixed stop 10 and active block stop 7 have all been reserved and have highly been regulated standby stroke.Only need increase thickness or the quantity of heightening pad 25 during adjustment, make it satisfy need of work and get final product.Because block has been reserved and has highly been regulated standby stroke, can guarantee sleeper 2 raise the back use in horizontal direction still effectively retrained horizontal movement that unlikely generation is excessive or swing.In like manner, in the time of need turning down the sleeper height, also can realize by reducing to heighten the thickness of pad 25 or quantity that pad 25 is heightened in minimizing.When rubber pad 11 or whole sleeper are changed in the needs maintenance, take off bolt 6 and fastening bolt 8, dismantle fastener 5 and active block stop 7, can sleeper 2 be taken out from active block stop 7 places one side level, the space that utilizes track centerline 30 both sides is as the maintain and replace space, finish maintain and replace work, and lifting rail 4 on a large scale, owing to rail 4 position no changes, need not to adjust the height and the position of rail after reinstalling, therefore whole maintain and replace process is very convenient quick, shortened the maintenance duration greatly, reduce maintenance load, saved a large amount of man-hours, effectively reduced maintenance cost and difficulty of construction.In addition, because the limit method of sleeper 2 is more more open than prior art among the present invention, rainwater can flow to gutter 21 very soon and discharge, therefore water easy-storing not under the sleeper, can effectively avoid emitting the slurry phenomenon, prevent rubber pad 11 because of the water inlet elastic failure, prolong the application life of rubber pad 11, improve the comfort level of train operation.For making things convenient for horizontal dismountable sleeper 2, tow lug 9 is set on sleeper 2.Certainly, by being set, hole, shackle or bearing pin also can realize same purpose on sleeper 2.
Elastic supporting element and elastic guide backing plate all adopt elastomeric material in the present embodiment, can also select other elastomeric material for use in the practical application, as elastic polyurethane, flexible foaming polyurethane, bipeltate etc.; Also can select visco-elastic damping material for use, as solid modified bitumen etc., it is very extensive to draw materials.In addition, the structure of backing plate also can be varied, has the backing plate of groove, hollow-core construction or local crowning etc. as employing.
Embodiment two
As shown in Figure 4, compare with embodiment one, when preventing between fixed stop 10 and sleeper 2, directly to be provided with caoutchouc elasticity guiding backing plate 3, caoutchouc elasticity guiding backing plate 3 is difficult for cementing with block, play may take place after the disengagement, a joint cover 13 can be set, lead backing plate 3 of caoutchouc elasticity is sulfided into one with joint cover 13, utilize securing member 14 to be fixed on the fixed stop again.In like manner, also can joint cover be set on active block stop 7 (not shown, as generally to adopt metal material) or the backing plate 3 of directly caoutchouc elasticity being led is sulfided into one with active block stop 7.In addition,, it can be used in combination for one is in parallel with 12 sulfurations of dish spring, with application life of improving elastic supporting element under the pillow and guarantee that sleeper obtains elastomeric bearing in vertical direction owing to occur fatigue aging easily as the rubber pad 11 of elastic supporting element.Based on this principle, utilize flexible members such as helical steel springs and rubber pad 11 to be used in combination also and can realize same effect.Steel plate 25 is arranged on the below of rubber pad 11 as height-regulating device, is used to adjust the working depth of sleeper 2.
Be the convenient height of when heightening sleeper 2, adjusting caoutchouc elasticity guiding backing plate 3 and joint cover 13, can be on caoutchouc elasticity leads backing plate 3 and joint cover 13 strip hole be set with the assembling position of securing member 14, like this, only need loosening fasteners 14 can move up and down the position of caoutchouc elasticity guiding backing plate 3 and joint cover 13 during adjustment, reinstall again and get final product, very convenient.
Embodiment three
Elastic sleeper type ballastless bed as Fig. 5, the present invention shown in Figure 6, the difference of comparing with embodiment one is, fixed stop 10 is made of the sidewall that is arranged on the groove on the railway roadbed body, groove is open the setting on railway roadbed body 1 lateral direction, utilize set bolt 8 active block stop 7 to be fixedly installed on the railway roadbed body 1 of this side, the outer space of active block stop promptly can be used as maintenance and changes the space.For the ease of spacing and loading and unloading sleeper 2, be arranged to the contour shape that groove and active block stop 7 surround trapezoidal, corresponding sleeper 2 also is arranged to trapezoidal, adopt the advantage of ladder-type sleepers to be, when taking out sleeper, in case the metallic elastic spare of sleeper side has unclamped, the frictional force of both sides has just disappeared, and is easy to take out.In addition, the compound direction device between recess sidewall and the sleeper is selected stainless steel shell fragment 3 for use, and stainless steel shell fragment 3 is arranged to one with sleeper 2.Certainly, stainless steel shell fragment 3 is fixedly installed on the sidewall of groove and also can realizes same effect.For adapting to the requirement of accurate adjustment sleeper 2 height, heighten the corrosion resistant plate that pad 25 is selected multiple thickness for use.For improving the elasticity of elastic supporting element, a plurality of grooves are set on rubber pad 11.
Adopt stainless steel shell fragment 3 as guiding device, when the vertical deviation of sleeper 2 hour forms an elastic guide, when the vertical deviation of sleeper 2 is big, form slide-and-guide, can provide elasticity again in the horizontal direction.The time can provide the elasticity of horizontal direction can realize the guiding of vertical direction again in vibration, but also can avoid the defective that nonmetals such as rubber are easily aging and damage, prolong the application life of guiding device, prolong the maintenance period of railway roadbed, save maintenance cost.But the lateral stiffness that should note selected metal clips when selection and design shell fragment shape should be greater than the vertical stiffness of elastic supporting element (the described vertical vertical that is meant rail laterally be meant the horizontal direction of rail), to keep the lateral stability of sleeper.Except that the shell fragment of stainless steel material, select for use steel or other metal material after preservative treatment, also can realize same effect.Be provided with because a side of groove is open, therefore also can effectively prevent to emit the slurry phenomenon to take place.
Except that this routine described groove set-up mode, also the groove open end can be arranged near a side of track centerline or a certain side on the rail bearing of trend, be used with active block stop, also can both play same effect.Corresponding maintenance is changed the space and also is arranged on the open side that is provided with of groove.
Embodiment four
Know-why of the present invention is equally applicable to long sleeper railway roadbed, elastic sleeper type ballastless bed as Fig. 7, the present invention shown in Figure 8, comprise railway roadbed body 1, sleeper 2 and rail 4, wherein sleeper 2 is long sleeper, sleeper 2 places on the railway roadbed body 1, utilizes fastener 5 and bolt 6 that rail 4 is fixedly installed on the sleeper 2.Solid modified bitumen backing plate 11 is set as elastic supporting element below the sleeper 2, this solid modified bitumen backing plate 11 adds be mixed with rubber powder man-hour in bituminous material, can guarantee that like this plate body has better elastic and bigger damping simultaneously, helps better absorbing vibrational energy.Be provided with steel in addition and heighten pad 25 as height-regulating device, the side of sleeper 2 also is provided with guiding device, two fixed stops 10 and two dismountable active block stops 7 of comprising integrated setting on the railway roadbed body 1, active block stop 7 is fixedly installed on the railway roadbed body by fastening bolt 8 and branch sleeve 20, to be limited at the profile that fixed stop 10 and active block stop 7 surround jointly on the railway roadbed body be in the groove of rectangle to sleeper 2 like this, also be respectively arranged with the compound direction device between fixed stop 10 and active block stop 7 and sleeper 2 sidewalls, described compound direction device comprises the metal system wearing plate 15 that is used to provide the flexible dish spring 3 of horizontal direction and is used for slide-and-guide, wearing plate 15 is preset at sleeper 2, and its surface cooperates with dish spring 3 as slidingsurface.
Equally, fixed stop 10 and active block stop 7 are all reserved and are heightened standby stroke, and the thickness or the quantity that only need corresponding adjustment to heighten steel plate 25 when needing to adjust the sleeper height can realize.During maintenance, need safeguard between the adjacent sleeper in sleeper both sides and the space can be changed as maintenance in the space that surrounds between the rail.Pull down after active block stop 7 and the fastener 5, be rotated counterclockwise sleeper, can change the repair and replacement of space realization by maintenance to sleeper and corresponding backing plate around sleeper 2 centers.Because the spacing of sleeper is to adopt open by design equally, therefore also do not have the problem of ponding, the appearance that can avoid emitting the slurry phenomenon.
Embodiment five
Elastic sleeper type ballastless bed as Fig. 9, the present invention shown in Figure 10, comprise railway roadbed body 1, sleeper 2 and rail 4, wherein sleeper 2 is long sleeper, sleeper 2 places on the railway roadbed body 1, utilizes fastener 5 and bolt 6 that rail 4 is fixedly installed on the sleeper 2.The below of sleeper 2 is provided with flexible foaming polyurethane backing plate 11 as elastic supporting element, is provided with the glass steel in addition and heightens pad 25 as height-regulating device.The side of sleeper 2 also is provided with guiding device, wherein, fixed stop 10 and railway roadbed body 1 integrated setting, its characteristics are that fixed stop 10 is fixedly connected by securing member 14 and metal backup 23, metal backup 23 is provided with strip hole, can height up and down, like this, fixed stop 10 and metal backup 23 are together to form height-adjustable, a special fixed stop structure, and this special fixed stop is arranged on an end of sleeper 2.Active block stop 7 is arranged on the other end of sleeper 2, and it is fixedly installed on the railway roadbed body 1 by fastening bolt 8 and branch sleeve 20.For spacing more accurate firm, the end of sleeper 2 is arranged to trapezoidal, each block shape adapts with it accordingly.Be the draining convenience, corresponding sleeper 2 position intermediate are provided with gutter 21 on the railway roadbed body 1, corresponding flexible foaming polyurethane backing plate 11 and heighten pad 25 and respectively be provided with one in the both sides, gutter, for to flexible foaming polyurethane backing plate 11 with to heighten pad 25 spacing, the both sides, gutter respectively are provided with a boss 24, on the boss 24 at interval be provided with the breach that is communicated with the gutter, unobstructed with the assurance draining.For the ease of dragging sleeper 2, towing pad 9 is set on sleeper 2.
Based on the described principle of present embodiment, that the end of sleeper can also be arranged to is circular-arc, triangle, semicircle or oval, as long as fixed stop that will be mated or groove and active block stop are arranged to corresponding shape, also can realize same effect.In addition, fixed stop 10 also is applicable to active block stop 7 with the structure that metal backup 23 is used in combination, and can manufacture a highly lower active block stop 7, and additional thereon height-adjustable metal backup 23 also can play same effect.When this structure can prevent to use fixed stop 10 merely,, fixed stop is implemented to increase once more very inconvenient phenomenon in case standby stroke deficiency is highly regulated in the reservation of fixed stop.
Embodiment six
The circular arc that the sleeper end is provided with, trapezoidal, triangle, semicircle or oval can be cambered outwards, also can cave inward.As shown in figure 11, be that with the difference of embodiment five end of sleeper 2 caves inward semicircular groove is set, be provided with corresponding projection on corresponding fixed stop 10 and the active block stop 7, rely on the cooperation of groove and projection, just can well realize the spacing of sleeper 2.
Embodiment seven
The present invention is elastic sleeper type ballastless bed as shown in Figure 12 and Figure 13, comprises railway roadbed body 1, sleeper 2 and rail 4, and wherein sleeper 2 is the wide pillow that is set up in parallel, and sleeper 2 places on the railway roadbed body 1, utilizes fastener 5 and bolt 6 that rail 4 is fixedly installed on the sleeper 2.The inside of sleeper 2 is provided with two guiding devices, guiding device comprises corresponding duct on guide 27 and the sleeper 2, guide 27 external surfaces also vulcanize flexible rubbery loop 3, elastic caoutchouc lasso 3 surfaces are provided with one deck wearing layer, and are fixed together with railway roadbed body 1 by fastening bolt 8 and branch sleeve 20.At this, the effect of guide 27 is identical with active block stop, and the elastic caoutchouc lasso 3 that its surface is provided with is equivalent to the compound direction device.Four angles at sleeper 2 also are provided with height-regulating device and elastic supporting element, height-regulating device comprises the base plate 17 that is provided with on the sleeper and heightens bolt 16, below heightening bolt 16, an elastic polyurethane pad 11 is set, and on elastic polyurethane pad 11, sets up an iron protected apron 18 to prevent that elastic polyurethane pad 11 is raised bolt 16 and damages as elastic supporting element.Utilize the convex edge that is provided with on the base plate 17 to carry out above-mentioned elastic polyurethane pad 11 and iron plate 18 spacing.
When adjusting the height of sleeper 2, only need heighten bolt 16 and just can realize with the relative position of base plate 17 from four of sleeper 2 top adjustment, very convenient.After adjusting height, utilize locking nut will heighten the height locking of bolt.Therefore because guide 27 is the same with active block stop to be demountable, to take off behind the guide 27 from the side level extraction sleeper 2 and need not lifting rail 4.For the convenient sleeper that extracts, towing pad 9 is set on sleeper 2.Because the described scheme of present embodiment still adopts is the open spacing technology of sleeper, therefore the phenomenon of slurry also can not appear emitting again.
Wearing layer (as setting up metal tube) or sliding sleeve also can be set on through hole slidingsurface on guide and the sleeper, also can realize the effect of vertical guiding, if but that the elasticity of elastomeric material lasso horizontal direction is not set is relatively poor.
Embodiment eight
As shown in figure 14, be with the difference of embodiment seven, sleeper 2 belows are provided with the steel plate (not shown) as heightening pad, and elastic caoutchouc backing plate (not shown) is set as elastic supporting element, side at sleeper 2, end between per three one group of sleepers, the compartment of terrain is provided with fixed stop 10, opposite side and fixed stop 10 at sleeper 2 are provided with active block stop 7 accordingly, sleeper middle part adjacent in sleeper on the same group is provided with alignment pin 26, alignment pin 26 laterally is connected as a single entity three sleepers, the quantity that can make guiding device so still less, simpler, only need dismounting active block stop 7 and steady pin 26 just can take off sleeper, easily maintain and replace sleeper and other related components.
Also can utilize slipmat that three sleepers laterally are connected as a single entity, also can realize same effect by the slipmat of great friction coefficient is set between the sleeper that sleeper is adjacent on the same group.
Embodiment nine
Elastic sleeper type ballastless bed as Figure 15, the present invention shown in Figure 16, comprise railway roadbed body 1, sleeper 2 and rail 4, wherein sleeper 2 is vertical pillow, sleeper 2 places on the railway roadbed body 1, utilizes fastener 5 and bolt 6 that rail 4 is fixedly installed on the sleeper 2.Rubber pad 11 is set as elastic supporting element below the sleeper 2, the string system that is provided with is in addition heightened pad 25 as height-regulating device.Four groups of shoulder blocks 19 are set in the side of sleeper 2, active block stop 7 is arranged on shoulder block 19 inboards, also be provided with resilient guiding device between the two, comprise caoutchouc elasticity guiding backing plate 3, two sides of caoutchouc elasticity guiding backing plate 3 are vulcanized respectively and have been wholely set a joint cover 13, wherein joint cover and sleeper 2 preset to one, and another piece joint cover is fixed together by bolt 28 and active block stop 7.Active block stop 7 is fixedly installed on the railway roadbed body 1 by fastening bolt 8 and branch sleeve 20.
During vibration, rely on self elasticity of caoutchouc elasticity guiding backing plate 3 in the resilient guiding device promptly can guarantee horizontal direction elasticity and vibration isolating effect preferably, certain vertical elastic displacement can be provided again, therefore guiding and spacing performance are all good, especially there are not friction, longer service life in the guiding process.Simultaneously, the height of sleeper is easy to adjust, and the maintain and replace sleeper only need be pulled down the active block stop 7 and the fastener 5 of a side and just can realize.Its open spacing design can avoid emitting the generation of slurry phenomenon.
For guaranteeing the lateral stability of sleeper, this example is provided with four groups of shoulder blocks 19 in the side of sleeper 2, also can adopt in sleeper one side in the engineering shoulder block is set, shoulder block is not established in corresponding another side, be smooth, directly cooperate with active block stop, perhaps direct and fixed stop cooperates, and also can realize good effect.And can make ballast bed structure more simple and practical, help reducing cost.
Embodiment ten
The present invention as shown in figure 15 is elastic sleeper type ballastless bed, be with the difference of embodiment nine, integrated setting " T " font fixed stop 10 on the railway roadbed body 1 between adjacent two vertical pillows, the dismountable active block stop 7 that is provided with at the vertical pillow of opposite side middle part, active block stop 7 is fixedly installed on the railway roadbed body by fastening bolt 8, sleeper 2 is limited in the space that fixed stop 10 and active block stop 7 surround jointly on the railway roadbed body like this, also is respectively arranged with caoutchouc elasticity guiding backing plate 3 between fixed stop 10 and active block stop 7 and sleeper 2 sidewalls.
The elastic sleeper type ballastless bed structure of this structure is simpler, and required block quantity is few, economical with materials significantly, remarkable in economical benefits.Simultaneously, the height of sleeper is easy to adjust, and the maintain and replace sleeper only need pull down active block stop 7 and fastener 5 just can be realized.Its open spacing design equally also can avoid emitting the generation of slurry phenomenon.
Claims (9)
- One kind elastic sleeper type ballastless bed, comprise the railway roadbed body, sleeper and elastic supporting element, rail is fixedly installed on the sleeper by rail clip, sleeper places on the railway roadbed body, it is characterized in that sleeper below elastic supporting element and height-regulating device are set, sleeper inside or side are provided with guiding device, guiding device can carry out corresponding adjusting or reserve the guiding stroke with the height change of height-regulating device, guiding device comprises block and slide guide device, the combination that one of resilient guiding device or compound direction device are any, block comprises non-removable fixed stop and demountable active block stop, fixed stop is made of the local boss that protrudes upward of integrated setting on sidewall that is arranged on the groove on the railway roadbed body or the railway roadbed body, sleeper to the small part block be active block stop.
- 2. according to claim 1 elastic sleeper type ballastless bed, it is characterized in that slide guide device is arranged on sleeper inside, utilize guide to cooperate with duct on the sleeper, wearing layer or sliding sleeve wherein are set between both slidingsurfaces, when slide guide device, guide uses as block.
- 3. according to claim 1 elastic sleeper type ballastless bed, it is characterized in that resilient guiding device comprises elastic guide backing plate or the metallic elastic spare that is arranged between sleeper and the block, elastic guide backing plate or metallic elastic spare directly connect with sleeper and block respectively or connect by joint cover and sleeper and block, the elastic guide backing plate is made of elastomeric material or visco-elastic damping material, elastic guide backing plate or metallic elastic spare in track rigidity in a lateral direction greater than the rigidity of elastic supporting element on the vertical direction of track.
- 4. according to claim 1 elastic sleeper type ballastless bed, it is characterized in that the compound direction device comprises elastic guide backing plate or the metallic elastic spare that is arranged between sleeper and the block, one side of elastic guide backing plate or metallic elastic spare and sleeper or block directly connect or connect by connecting piece, opposite side is provided with and is used for the wearing face of slip relatively, and the elastic guide backing plate is made of elastomeric material or visco-elastic damping material.
- 5. according to claim 1 elastic sleeper type ballastless bed, it is characterized in that the corresponding space that is provided with maintenance replacing elastic supporting element, height-regulating device or whole sleeper on the sleeper.
- 6. according to claim 1 elastic sleeper type ballastless bed, it is characterized in that the contour shape that described groove or boss and active block stop surround overlooks to rectangle, trapezoidal or at least one side end are circular-arc, trapezoidal, triangle, the corresponding position of sleeper also is arranged to corresponding shape.
- 7. according to claim 1 elastic sleeper type ballastless bed, it is characterized in that the backing plate that elastic supporting element comprises that helical spring, dish spring, metallic elastic spare, macromolecular material are made and the combination of said elements.
- 8. according to claim 1 elastic sleeper type ballastless bed, it is characterized in that being provided on the sleeper opening, hole, shackle or the bearing pin of jacking or mobile sleeper, or change the opening of elastic supporting element.
- 9. according to claim 1 elastic sleeper type ballastless bed, it is characterized in that height-regulating device for heightening pad, or the base plate that is provided with on the sleeper and heighten bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100166806A CN101333792B (en) | 2007-06-26 | 2007-06-26 | Elastic sleeper type ballastless bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100166806A CN101333792B (en) | 2007-06-26 | 2007-06-26 | Elastic sleeper type ballastless bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101333792A CN101333792A (en) | 2008-12-31 |
| CN101333792B true CN101333792B (en) | 2011-06-15 |
Family
ID=40196643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100166806A Active CN101333792B (en) | 2007-06-26 | 2007-06-26 | Elastic sleeper type ballastless bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101333792B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107338687A (en) * | 2017-08-28 | 2017-11-10 | 华东交通大学 | A kind of combined type sleeper |
| CN108589435B (en) * | 2018-08-02 | 2024-02-27 | 三维控股集团股份有限公司 | Rubber shock-absorbing structure and rubber for railway track |
| CN109235160A (en) * | 2018-09-11 | 2019-01-18 | 兰州交通大学 | A kind of damper rail with preload elastic construction |
| CN109797608B (en) * | 2019-03-18 | 2023-11-28 | 中南大学 | Spring piece type adjustable buckling and stabilizing device for ballastless track |
| CN110700018A (en) * | 2019-09-25 | 2020-01-17 | 陕西九域通创轨道系统技术有限责任公司 | Integral damping sleeper of polyurethane parcel |
| CN111523243B (en) * | 2020-04-29 | 2023-08-25 | 中国国家铁路集团有限公司 | Intelligent maintenance analysis system for ballast bed |
| CN113417173B (en) * | 2021-08-04 | 2022-11-01 | 杨清福 | Track structure suitable for super-high-speed train |
| CN115162074B (en) * | 2022-08-18 | 2023-07-18 | 广州南科铁路器材有限公司 | Heavy anchor suction drill device for railway sleeper bolt |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1133373A (en) * | 1994-11-30 | 1996-10-16 | 霍蒂夫股份公司霍夫曼兄弟公司 | Slagless track for at least one way railway |
| CN2534221Y (en) * | 2001-10-31 | 2003-02-05 | 锦州铁路分局山海关线桥工程段 | Adjustable gauge cut-out fastening |
| CN2603110Y (en) * | 2003-02-28 | 2004-02-11 | 和宗耀 | Elastic rubber cover for support block in monolithic roadbed |
| CN2885923Y (en) * | 2006-03-22 | 2007-04-04 | 铁道科学研究院铁道建筑研究所 | Non-ballast railway track fastener |
-
2007
- 2007-06-26 CN CN2007100166806A patent/CN101333792B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1133373A (en) * | 1994-11-30 | 1996-10-16 | 霍蒂夫股份公司霍夫曼兄弟公司 | Slagless track for at least one way railway |
| CN2534221Y (en) * | 2001-10-31 | 2003-02-05 | 锦州铁路分局山海关线桥工程段 | Adjustable gauge cut-out fastening |
| CN2603110Y (en) * | 2003-02-28 | 2004-02-11 | 和宗耀 | Elastic rubber cover for support block in monolithic roadbed |
| CN2885923Y (en) * | 2006-03-22 | 2007-04-04 | 铁道科学研究院铁道建筑研究所 | Non-ballast railway track fastener |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101333792A (en) | 2008-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101333792B (en) | Elastic sleeper type ballastless bed | |
| CN103088723B (en) | Track elasticity fastening devices | |
| CN202369865U (en) | Elastic fixing device of track | |
| CN103088724B (en) | Rail fixing device with function of vertical guidance | |
| CN101845777B (en) | Built-in type floating track bed and method and device for lifting same | |
| CN101845776B (en) | Floating track bed, jacking device and jacking method thereof | |
| CN110373958B (en) | Vibration reduction fastener system | |
| CN202323578U (en) | Fastening piece for auxiliary rail | |
| CN203755097U (en) | Underground vibration damping rail fastener | |
| CN204385569U (en) | A kind of dock is floating ballast bed | |
| CN104631218B (en) | Floating plate and floating ballast bed | |
| CN108265571B (en) | Vibration reduction fastener system | |
| CN202298374U (en) | Rail fixing device with vertical orientation | |
| CN109056425A (en) | Frequency and the weak relationship type floating plate railway roadbed of load | |
| KR100843321B1 (en) | Apparatus for prevention of vivration of railroad | |
| CN111501428A (en) | Direct-buried fastener and construction method thereof | |
| KR100613412B1 (en) | Method of repairing a vibration proof sleeper of the concrete ballast | |
| CN207244360U (en) | A kind of antitorque spacing railway rail pad of rail for fastener system | |
| CN211420737U (en) | Track fastener device | |
| CN110258199A (en) | Track structure with stiffness transition under vibration-damping ballast and common railway roadbed and plate | |
| CN204491319U (en) | Docking style floating plate | |
| AU2020481482A9 (en) | Boltless fastener system for heavy haul railways | |
| CN212316560U (en) | Direct-buried fastener | |
| CN209798446U (en) | Shearing type track shock absorber | |
| CN204551140U (en) | Docking style is floating ballast bed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |