CN102619145A - Longitudinal beam type sleeper system - Google Patents
Longitudinal beam type sleeper system Download PDFInfo
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- CN102619145A CN102619145A CN2011100279020A CN201110027902A CN102619145A CN 102619145 A CN102619145 A CN 102619145A CN 2011100279020 A CN2011100279020 A CN 2011100279020A CN 201110027902 A CN201110027902 A CN 201110027902A CN 102619145 A CN102619145 A CN 102619145A
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Abstract
The invention relates to a novel sleeper system, and belongs to the field of railway tracks. The novel sleeper system comprises a longitudinal beam type sleeper and an elastic vibration reduction track system, wherein the longitudinal beam type sleeper is formed by connecting longitudinal beam type sleeper units one by one in series; each two adjacent longitudinal beams of the longitudinal beam type sleeper are fixedly connected with each other in the lateral direction through a connecting piece; the opposite longitudinal beam end parts of each two adjacent longitudinal beam type sleeper units are connected with each other through a sleeper connecting piece; the elastic vibration reduction track system comprises a support saddle; the longitudinal beam type sleeper is mounted on the support saddle; and a vibration reduction facility is arranged between the bottom of the longitudinal beam type sleeper and the support saddle. The novel sleeper system has the advantages that due to the longitudinal sleeper, the bending rigidity of a track is enhanced, and deformation of the track caused by repeated load is reduced; as the lateral resistance of the longitudinal beams is enlarged, the irregularity in the vertical direction of the track is reduced, and the maintenance is reduced; and as the longitudinal beams are connected with each other in the longitudinal direction, the settlement of the track at the end parts of the longitudinal beams is provided from being enlarged or damaged easily; and as rail pads are arranged continuously, foundation shake, rolling noise and wave-like deformation of the track are reduced.
Description
Technical field
The present invention relates to the railroad track field, relate in particular to the novel sleeper and the elastic damping rail system in a kind of railroad track field.
Background technology
Railroad track generally comprises railway roadbed (quarrel railway roadbed or ballastless bed is arranged), sleeper and rail.Railway roadbed is formed on roadbed or the bridge, and sleeper laying is on railway roadbed, and rail then is installed on the sleeper.But no matter be the sleeper of which kind of form, the still transverse sleeper that present most of railways adopt, promptly sleeper is to lay along the horizontal direction of railway or rail.This transverse sleeper exists many shortcomings with not enough: transverse sleeper is to be laid on the railway roadbed discretely, so is unfavorable for the distribution from the load of rail.When train through the time, receive the influence of impacting wheel load, the suffered shock loading of sleeper is very big; Easily following railway roadbed is produced and destroy; For example cause that ballast aggregate is pulverized, moved outward etc., thereby can cause the rail distortion after long-time the use, make the train that goes that vibration and swing take place; Strengthen vibrating noise, and have a strong impact on the operation stability and the riding comfort of train.Conversely, because train vibration and swing can be quickened the deterioration of rail conditions again.If railroad track deforms (mainly being meant the rail distortion), perhaps cracking etc. takes place in concrete sleeper, then needs the manpower and materials of labor that the deformation place of track is proofreaied and correct, and perhaps the cracking position of concrete sleeper is repaired.In addition, also need often to carry out maintenance to pulverizing the perhaps outer ballast aggregate that moves.The maintenance work of railway is very wasted time and energy.
Along with people's is to the improve of quality of life demand, and the vibration of urban track traffic and noise also get most of the attention to the interference of life.
Summary of the invention
Longeron formula sleeper of the present invention and elastic track system are a kind of schemes that proposes for addressing the above problem, and this sleeper is intended to reduce required maintenance activity etc., and it is in the sleeper of ordinary meaning, has quoted the notion of beam.
Its mechanism and means are: (1) is through improving the distribution of train load; Reduce the track deformation that causes because of the train load that repeats; (2) utilize the continuous big lateral resistance that longitudinal sleeper provided, reduce, the for example caused distortion of lateral thrust because of the track transverse load.Another purpose of the present invention is; The railroad track that provides a kind of these sleepers and rail to link is the realization above-mentioned purpose; The present invention includes along said rail and vertically below rail, longitudinal beam is set at each; With with these longitudinal beams by the interconnective a plurality of connectors of setting in interval, and be arranged in the elastomeric bearing between longitudinal beam bottom surface and the basic railway roadbed bearing.
The objective of the invention is to realize through following technology:
A kind of longeron formula of the present invention sleeper system comprises longeron formula sleeper and elastic damping rail system; Said longeron formula sleeper is formed by the serial connection of longeron formula sleeper unit one by one.Longeron formula sleeper unit comprises that the trend with rail is consistent and is separately positioned on a pair of longitudinal beam below two one steel rails, and between described a pair of longitudinal beam, laterally being fixed together by connector forms frame construction.Be connected by the sleeper connector between the relative longitudinal beam end of adjacent longeron formula sleeper unit, thereby compose in series the longeron formula sleeper of integral type.The elastic damping rail system comprises bearing, and said longeron formula sleeper is installed on the bearing, between the bottom of said longeron formula sleeper and said bearing, is furnished with the vibration damping facility.
Longeron formula sleeper can be prefabricated in the factory by certain-length, will vertically go up adjacent longitudinal beam at the construction field (site) and interconnect, and has realized longly apart from the uniform continuously track structure of orbit rigidity, and this longeron and rail be location continuously vertically, formation combined type track.Because longeron can be prefabricated in the factory, and has improved track laying speed to a great extent.Because along the vertical continuous laying longeron of rail direction formula sleeper, its pillow is arranged the vibration damping facility down, thereby supporting longeron formula sleeper and elastic track system reduce the wave transformation of ground vibrations, rolling noise and rail.Owing to the support rail boss is set at the longeron upper surface, with the minimum requirement of the vertical distance that satisfied the rail pipeline distance from top rail flange of rail, can effectively make rail and cross between the rail pipeline and insulate, be with more convenience for maintenance and maintenance.
Through being employed in the beam structure that is parallel on the orbital direction, the continuous rail pad of supporting rail and the vibration damping facility under the longeron continuously are set, can reduce ground vibrations, rolling noise and rail wave transformation.The track structure of longitudinal sleeper through the special vibration-proof structure that improves the track longitudinal rigidity and under longitudinal sleeper, be provided with, reduces the influence to passenger in the car of vibration and noise to greatest extent, improves passenger's ride quality.Can satisfy different other requirements of vibration damping level through changing flexibly mounted rigidity of vibration damping facility and form, to adapt to different locations demands of different.
As stated, use longitudinal sleeper of the present invention, owing to adopted the structure that longitudinal beam is set on rail is vertical; The track bending rigidity has strengthened; The distribution of train load improves, thereby has reduced to have reduced the maintenance activity amount by the caused track deformation of reloading.In addition, because longitudinal beam has increased lateral resistance, vertical track is irregular have been reduced, and has therefore also reduced the maintenance activity amount.And then, owing to longitudinally adopt the mode that is similar to long welded rails will keep continuous longitudinal beam to connect mutually, prevented the breaking-up of longitudinal beam end rails.And, reduced the wave transformation of ground vibrations, rolling noise and track through the rail pad is set continuously.
Through mentioned above, longitudinal sleeper of the present invention system mainly includes but not limited to these advantages.
Need benly be; In different embodiments of the present invention; Above-mentioned each characteristic can be used separately; Also can use (as long as this combination is possible or reconcilable) through any feasible compound mode, resulting thus all embodiments all will fall within protection scope of the present invention.For fear of giving unnecessary details, the present invention no longer is elaborated to various possible compound modes.
Description of drawings
Fig. 1 is the schematic perspective view of the longitudinal sleeper of one embodiment of the present invention.
Fig. 2 is the schematic top plan view of the longitudinal sleeper of embodiment shown in Figure 1.
Fig. 3 is the schematic side view of the longitudinal sleeper of embodiment shown in Figure 1.
Fig. 4 is the A-A sectional view among Fig. 2.
Fig. 5 is the B-B sectional view among Fig. 2.
Fig. 6 is the schematic top plan view of the longitudinal sleeper of another embodiment of the present invention.
Fig. 7 is the schematic side view of the longitudinal sleeper of embodiment shown in Figure 6.
Fig. 8 is the enlarged drawing of A among Fig. 6.
Fig. 9 is the enlarged drawing of B among Fig. 7.
Figure 10 is the C-C profile of Fig. 6.
The form one that Figure 11 links to each other for longeron of the present invention end.
Figure 12 is the A-A profile of Figure 11.
Figure 13 is the side view of Figure 11.
The form two that Figure 14 links to each other for longeron of the present invention end.
Figure 15 is the A-A profile of Figure 14.
Figure 16 is the side view of Figure 14.
The form three that Figure 17 links to each other for longeron of the present invention end.
Figure 18 is the A-A profile of Figure 17.
Figure 19 is the side view of Figure 17.
Figure 20 is the floor map that comprises the elastic damping rail system of longitudinal sleeper shown in Figure 1.
Figure 21 is the side direction sectional schematic diagram of elasticity damper rail system among Figure 20.
Figure 22 is the floor map that comprises the elastic damping rail system of longitudinal sleeper shown in Figure 6.
Figure 23 is the side direction sectional schematic diagram of elasticity damper rail system among Figure 22.
Among the figure:
1 longitudinal beam, 2 connectors, 3 vibration damping facilities, 4 bearings, 5 service sleeves, 6 bearing sidepieces; 7 rest bases, 8 cushion pads, 9 fasteners, 10 rail, 11 chamferings, 12 boss; 13 holes for hoist, 14 support rail boss, 15 support rail boss chamferings, 16 ends connect steel plate, 17 attaching nuts; 18 connecting screw rods connect steel plate between 19 4 ends, 20 connecting bolts, and 21 closed end beams connect steel plate, 22 closed end beams.
The specific embodiment
Below with reference to accompanying drawings embodiment of the present invention is elaborated.
At first, will longitudinal sleeper of the present invention be described referring to figs. 1 through Fig. 5.
A kind of longeron formula of the present invention sleeper system comprises longeron formula sleeper and elastic damping rail system; As depicted in figs. 1 and 2, according to the longeron formula sleeper of one embodiment of the present invention, form by the serial connection of longeron formula sleeper unit one by one.Longeron formula sleeper unit comprise respectively along rail vertically be arranged on a pair of longitudinal beam 1 below the rail 10, longitudinal beam 1 generally is made up of prestressed concrete, for improving the strength and stiffness of longitudinal sleeper, can be furnished with many prestretched reinforcing bars in the longitudinal beam 1.But the material of longitudinal beam 1 is not limited thereto, and longitudinal beam 1 also can be made up of resin material or other materials.Laterally be fixed together by connector 2 between the said a pair of longitudinal beam 1, make longitudinal beam 1 and connector 2 form frame construction.Connector 2 is to have than said longitudinal beam 1 flexible better structure, and its material is steel or resin material or steel concrete, is used to keep the stable and anti-vibration of longeron formula sleeper, and the strict simultaneously gauge that keeps between a pair of longitudinal beam 1.The width of connector 2 designs according to load and rigidity requirement, and shape can be shapes such as square, circular, I shape.The quantity of the connector 2 between a pair of longitudinal beam 1 can be the 2-6 root according to concrete needs, and its quantity is decided by the length of present position, environment or each longeron formula sleeper unit.The height of longitudinal beam 1 is greater than or equal to the height of connector 2.
Among Fig. 3,, have hole for hoist 13, be used for waiting longeron formula sleeper auxiliary with the support installation etc. to carry out installing and laying, maintenance and construction through lifting appliance in longitudinal beam 1 side.
Like Fig. 2～shown in Figure 5, in longitudinal beam 1, be provided with service sleeve 5, so that utilize fastener to be connected to service sleeve 5, rail is installed on the longitudinal sleeper, to accomplish the laying of track.
As shown in Figure 5, chamfering 11 all is arranged at the edge of longitudinal beam 1, and the demoulding when being convenient on the one hand sleeper and producing when installing at the scene on the other hand, if chamfering is not arranged at the edge, is collided with or stress is concentrated easily.
Be provided with boss 12 in the both sides of said longitudinal beam 1.Outer tongue seat on the bearing 4 that this boss 12 and longitudinal beam 1 are located is complementary, to realize the anti-creep function of longitudinal sleeper in train is advanced.
In the another preferred embodiment of Fig. 6～shown in Figure 10, on longitudinal beam 1, be arranged with to the longitudinal separation formula support rail boss 14.The setting of this support rail boss 14 is important techniques, and it is beneficial to rail and crosses the insulation between the rail pipeline, is convenient to unit of operation's maintenance and maintenance.See Fig. 8 and shown in Figure 9, support rail boss 14 edges are provided with support rail boss chamfering 15, on the one hand are in order to be convenient in demoulding, and stress is concentrated when avoiding the right angle on the other hand.Shown in Figure 10～14, service sleeve 5 is embedded in support rail boss 14 and the longitudinal beam 1, can said rail 10 be installed on the support rail boss 14 of said longeron formula sleeper through fastener 9 through the joint of fastener 9 and described service sleeve 5.
The whole sleeper of railway is connected together by longeron formula sleeper unit strings one by one and forms.Disclose three kinds of connected modes below, but be not limited to this several kinds of modes.
Mode one:, be the continuous form of longeron formula sleeper unit, job site like Figure 11～Figure 13.The end of the longitudinal beam 1 that adjacent longeron formula sleeper unit is relative is provided with the end and connects steel plate 16; The end connects the end of the fixing in twos adjacent both sides of steel plate 16 longitudinal beam 1; With attaching nut 17 end is connected steel plate 16 through connecting screw rod 18 again and fixes, adjacent longeron formula sleeper unit is connected.Just formed " seamless sleeper " through its effective combination, realized longly, be beneficial to the ride comfort of driving more apart from the uniform continuously track structure of orbit rigidity.
Mode two:, be the another continuous form in longeron formula sleeper unit, job site like Figure 14～Figure 16.Between four ends of adjacent longeron formula sleeper unit longitudinal beam 1, be provided with between four ends and connect steel plate 19, through connecting bolt 20 will above-mentioned four ends with four ends between be connected steel plate 19 and fix together, make the connection of longeron formula sleeper unit.
Mode three:, a continuous form again of quarrel railway roadbed longeron formula sleeper unit is arranged for the job site like Figure 17～19.In this embodiment; Each end to longitudinal beam 1 all is fixedly linked by closed end beam 22; The closed end beam 22 of adjacent both ends connects steel plate 21, connecting screw rod 18 and attaching nut 17 through the closed end beam and links together, thereby reaches the purpose that longeron formula sleeper unit links to each other.
Numerous embodiments to longitudinal sleeper of the present invention specifies above, but the invention is not restricted to this.In addition; Need emphasis to be pointed out that; The above-mentioned various embodiments of the present invention can adopt various feasible modes to make up use, and all these feasible compound modes all should be considered to the part of the disclosure of invention, drop into equally within the scope of the present invention.
The present invention also provides a kind of elastic damping rail system, will be elaborated to the exemplary embodiment of elastic damping rail system of the present invention with reference to Figure 20 figure～Figure 21 below.
Figure 20 is the floor map of the elastic damping rail system of the embodiment shown in Figure 1 according to the present invention.Figure 21 is the side schematic view of elasticity damper rail system among Figure 20.Figure 22 is the floor map of the elastic damping rail system of the embodiment shown in Figure 6 according to the present invention.Figure 23 is the side schematic view of elasticity damper rail system among Figure 22.
According to Figure 20 and a kind of embodiment shown in Figure 21, elastic damping rail system of the present invention comprises the L shaped bearing 4 with bottom 7 and sidepiece 6.Said a pair of longitudinal beam 1 is respectively seated on the bottom 7 of relative said bearing 4, and the outside is against the sidepiece 6 of said bearing 4.Through this bearing 4, not only can support stringer formula sleeper 1, and can play the cross spacing effect of longitudinal sleeper or elastic damping rail system.Longitudinally the length direction of sleeper is separately installed with rail 10 on the longitudinal beam 1 of vertical longeron formula sleeper, can said rail 10 be installed on the said longitudinal beam 1 through fastener 9 through the joint of the service sleeve 5 in fastener 9 and the said longitudinal beam 1.Said a pair of longitudinal beam 1 is respectively seated on the bottom 7 of a pair of said bearing 4, and the outside is against the sidepiece 6 of said bearing 4.Through this bearing 4, not only can support stringer formula sleeper 1, and can play the cross spacing effect of longitudinal sleeper or elastic damping rail system.It is pointed out that L shaped bearing 4 only is the applied use embodiment of longitudinal sleeper of the present invention, the present invention is not limited to this, for example can also use the bearing of other shapes etc.Bearing 4 can be that Reinforced Concrete Materials is processed, and also can be that materials such as cast iron, resin are processed.
In addition; Can between the bottom 7 of said longitudinal beam 1 and said bearing 4, arrange vibration damping facility 3; Between the sidepiece 6 of longitudinal beam 1 and bearing 4, arrange cushion pad 8,, alleviate the impact force that track vibration receives structure to obtain vibration damping and buffering effect; Reduce the vibration of structure, prolonged the application life of structure.According to the principle of active force and reaction force, can reduce impact force equally simultaneously to the elastic damping rail system.As far as the elastic damping rail system, vibration damping facility and cushion pad can alleviate its stressing conditions.Owing to adopted the stressed longitudinal sleeper that can vertically disperse of wheel track, so be hit the on the whole influence of power of elastic damping rail system is less.Said vibration damping facility 3 can be made by multiple elastomeric material with cushion pad 8, for example rubber, plastics, spring etc.In the present invention, can also use other vibration absorber to replace above-mentioned vibration damping facility and/or cushion pad.Can comprise two boards spare and the spring between plate at least like the vibration damping facility, the resiliency supported mode is not limited thereto.Its structure is to realize that easily the present invention repeats no more to those skilled in the art.
Figure 22 and shown in Figure 23 be the damper rail system that has support rail boss 14, with Figure 20 and damper rail systems compliant shown in Figure 21, repeat no more.
Through numerous embodiments longeron formula sleeper of the present invention and elastic damping rail system are specified in the preceding text, this elastic damping rail system can adopt various longitudinal sleeper of the present invention in principle.
It is emphasized that; Longitudinal sleeper of the present invention and elastic damping rail system are specified with reference to accompanying drawing and numerous embodiments; But the present invention is not limited to these concrete embodiments; And these embodiments can adopt through various feasible compound modes, and the present invention does not do any restriction to this.All these feasible compound modes all are to be understood that to belonging to a part disclosed by the invention, drop into equally within the scope of the present invention.
Claims (10)
1. a longeron formula sleeper system is characterized in that: comprise longeron formula sleeper and elastic damping rail system.
2. longeron formula sleeper according to claim 1 system is characterized in that: said longeron formula sleeper is formed by longeron formula sleeper unit serial connection one by one; Longeron formula sleeper unit comprises that the trend with rail is consistent and is separately positioned on a pair of longitudinal beam below two one steel rails, and laterally being fixed together by connector between the described a pair of longitudinal beam forms frame construction; Be connected by the sleeper connector between the relative longitudinal beam end of adjacent longeron formula sleeper unit, thereby compose in series the longeron formula sleeper of integral type; Said elastic damping rail system comprises bearing, and said longeron formula sleeper is installed on the bearing, between the bottom of said longeron formula sleeper and said bearing, is furnished with the vibration damping facility.
3. longeron formula sleeper according to claim 2 system is characterized in that: on longitudinal beam, be arranged with to the longitudinal separation formula support rail boss.
4. according to claim 2,3 described longeron formula sleeper systems, it is characterized in that: have hole for hoist in the longitudinal beam side, in longitudinal beam, be provided with service sleeve; On the longitudinal beam that has the support rail boss, service sleeve is embedded in support rail boss and the longitudinal beam.
5. according to claim 2,3,4 described longeron formula sleeper systems, it is characterized in that: longitudinal beam generally is made up of prestressed concrete, wherein is furnished with many prestretched reinforcing bars; Longitudinal beam also can be made up of resin material or other materials.
6. according to claim 2,3 described longeron formula sleeper systems, it is characterized in that: connector is to have than the flexible better structure of said longitudinal beam, and its material is steel or resin material or steel concrete; The shape of connector can be shapes such as square, circular, I shape, and the number of connecting pieces between a pair of longitudinal beam is the 2-6 root, and its quantity is decided by the length of present position, environment or each longeron formula sleeper unit; Vertically depth of beam is greater than or equal to the height of connector.
7. longeron formula sleeper according to claim 5 system is characterized in that the connected mode between the relative longitudinal beam end of adjacent longeron formula sleeper unit is:
Mode one: the end of the longitudinal beam that adjacent longeron formula sleeper unit is relative is provided with the end and connects steel plate; The end connects the end of the fixing in twos adjacent both sides of steel plate longitudinal beam; With the attaching nut end is connected steel plate through connecting screw rod again and fixes, adjacent longeron formula sleeper unit is connected;
Mode two: between four ends of adjacent longeron formula sleeper unit longitudinal beam, be provided with between four ends and connect steel plate, fix together being connected steel plate between above-mentioned four ends and four ends, longeron formula sleeper unit is connected through connecting bolt;
Mode three: each end to longitudinal beam all is fixedly linked by the closed end beam, and the closed end beam of adjacent both ends connects steel plate, connecting screw rod and attaching nut through the closed end beam and links together.
Connected mode is not limited to above three kinds of modes.
8. according to claim 2,3 described longeron formula sleeper systems, it is characterized in that: the bearing of said elastic damping rail system can be that Reinforced Concrete Materials is processed, and also can be that materials such as cast iron, resin are processed; Bearing can be L shaped, and when bearing when being L shaped, said a pair of longitudinal beam is respectively seated on the bottom of relative bearing, and the outside is against the sidepiece of bearing.
9. longeron formula sleeper according to claim 8 system is characterized in that: between the bottom of longitudinal beam and bearing, arrange the vibration damping facility, between the sidepiece of longitudinal beam and bearing, arrange cushion pad.
10. longeron formula sleeper according to claim 9 system, it is characterized in that: said vibration damping facility and cushion pad can be made by multiple elastomeric material, like rubber, plastics, spring etc.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110027902.0A CN102619145B (en) | 2011-01-26 | 2011-01-26 | Longitudinal beam type sleeper system |
| CN201410439847.XA CN104264535B (en) | 2011-01-26 | 2011-01-26 | longitudinal sleeper |
| CN201410441781.8A CN104264534B (en) | 2011-01-26 | 2011-01-26 | Ladder-type sleepers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110027902.0A CN102619145B (en) | 2011-01-26 | 2011-01-26 | Longitudinal beam type sleeper system |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410441781.8A Division CN104264534B (en) | 2011-01-26 | 2011-01-26 | Ladder-type sleepers |
| CN201410439847.XA Division CN104264535B (en) | 2011-01-26 | 2011-01-26 | longitudinal sleeper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102619145A true CN102619145A (en) | 2012-08-01 |
| CN102619145B CN102619145B (en) | 2014-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110027902.0A Active CN102619145B (en) | 2011-01-26 | 2011-01-26 | Longitudinal beam type sleeper system |
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| Country | Link |
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| CN (1) | CN102619145B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979010A (en) * | 2012-12-25 | 2013-03-20 | 西南交通大学 | Railway minor-radius curve track system capable of inhibiting corrugation |
| CN103437252A (en) * | 2013-08-05 | 2013-12-11 | 北京市轨道交通设计研究院有限公司 | Track bed structure and construction method for same |
| CN103911918A (en) * | 2014-04-21 | 2014-07-09 | 北京易科路通铁道设备有限公司 | Demountable connection part of trapezoidal sleepers |
| CN104480805A (en) * | 2014-12-01 | 2015-04-01 | 同济大学 | Framed sleeper unit |
| CN105484111A (en) * | 2015-12-11 | 2016-04-13 | 北京捷适中坤铁道技术有限公司 | Longitudinal sleeper vibration damping rail and vibration damping component thereof |
| WO2016095782A1 (en) * | 2014-12-15 | 2016-06-23 | 齐琳 | Prestressed concrete longitudinal sleeper |
| CN108221506A (en) * | 2018-02-27 | 2018-06-29 | 中铁二院工程集团有限责任公司 | It is a kind of to reduce railway roadbed hurt and direct burial fastener system easy to install |
| CN109722948A (en) * | 2019-01-30 | 2019-05-07 | 武汉理工大学 | A kind of X-type anti-slide sleeper of adjustable spacing |
| CN111022547A (en) * | 2019-12-18 | 2020-04-17 | 东莞理工学院 | Particle damping track vibration damper based on mortise and tenon connection |
| CN111472209A (en) * | 2020-05-25 | 2020-07-31 | 中铁二院工程集团有限责任公司 | Variable-track-pitch sleeper unit for ballast track and variable-track-pitch sleeper system |
| CN111560797A (en) * | 2020-04-29 | 2020-08-21 | 中铁二院工程集团有限责任公司 | Ballastless track sleeper and track bed beneficial to adjustment |
| CN113026439A (en) * | 2021-04-07 | 2021-06-25 | 中铁工程设计咨询集团有限公司 | Frame type sleeper unit and sleeper |
| CN114941261A (en) * | 2022-06-24 | 2022-08-26 | 北京九州一轨环境科技股份有限公司 | Vibration damper for frame type ballast bed |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979010A (en) * | 2012-12-25 | 2013-03-20 | 西南交通大学 | Railway minor-radius curve track system capable of inhibiting corrugation |
| CN103437252A (en) * | 2013-08-05 | 2013-12-11 | 北京市轨道交通设计研究院有限公司 | Track bed structure and construction method for same |
| CN103437252B (en) * | 2013-08-05 | 2016-02-03 | 北京市轨道交通设计研究院有限公司 | A kind of track bed structure and construction method thereof |
| CN103911918A (en) * | 2014-04-21 | 2014-07-09 | 北京易科路通铁道设备有限公司 | Demountable connection part of trapezoidal sleepers |
| CN103911918B (en) * | 2014-04-21 | 2016-07-06 | 北京易科路通铁道设备有限公司 | The dismantled and assembled connector of longitudinal beam type sleeper |
| CN104480805A (en) * | 2014-12-01 | 2015-04-01 | 同济大学 | Framed sleeper unit |
| WO2016095782A1 (en) * | 2014-12-15 | 2016-06-23 | 齐琳 | Prestressed concrete longitudinal sleeper |
| CN105484111A (en) * | 2015-12-11 | 2016-04-13 | 北京捷适中坤铁道技术有限公司 | Longitudinal sleeper vibration damping rail and vibration damping component thereof |
| CN108221506A (en) * | 2018-02-27 | 2018-06-29 | 中铁二院工程集团有限责任公司 | It is a kind of to reduce railway roadbed hurt and direct burial fastener system easy to install |
| CN108221506B (en) * | 2018-02-27 | 2024-01-05 | 中铁二院工程集团有限责任公司 | Direct-buried fastener system capable of reducing track bed injury and easy to install |
| CN109722948A (en) * | 2019-01-30 | 2019-05-07 | 武汉理工大学 | A kind of X-type anti-slide sleeper of adjustable spacing |
| CN111022547A (en) * | 2019-12-18 | 2020-04-17 | 东莞理工学院 | Particle damping track vibration damper based on mortise and tenon connection |
| CN111560797A (en) * | 2020-04-29 | 2020-08-21 | 中铁二院工程集团有限责任公司 | Ballastless track sleeper and track bed beneficial to adjustment |
| CN111472209A (en) * | 2020-05-25 | 2020-07-31 | 中铁二院工程集团有限责任公司 | Variable-track-pitch sleeper unit for ballast track and variable-track-pitch sleeper system |
| CN113026439A (en) * | 2021-04-07 | 2021-06-25 | 中铁工程设计咨询集团有限公司 | Frame type sleeper unit and sleeper |
| CN114941261A (en) * | 2022-06-24 | 2022-08-26 | 北京九州一轨环境科技股份有限公司 | Vibration damper for frame type ballast bed |
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|---|---|
| CN102619145B (en) | 2014-10-22 |
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