CN103898812A - Ballastless track split type base - Google Patents
Ballastless track split type base Download PDFInfo
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- CN103898812A CN103898812A CN201210570816.9A CN201210570816A CN103898812A CN 103898812 A CN103898812 A CN 103898812A CN 201210570816 A CN201210570816 A CN 201210570816A CN 103898812 A CN103898812 A CN 103898812A
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- ballastless track
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Abstract
The invention belongs to a railway ballastless track structure system and particularly relates to a ballastless track split type base. The ballastless track split type base comprises base bodies longitudinally arranged along a railway in a mutually-matched mode. Gaps are reversed in connection portions between the adjacent base bodies. The corresponding mating faces between every two adjacent base bodies are provided with a first boss and a first groove in the horizontal direction respectively, wherein the first boss and the first groove are matched with each other. The corresponding mating faces between every two adjacent base bodies are provided with a second boss and a second groove in the perpendicular direction respectively, and the second boss and the second groove are matched with each other. According to the ballastless track split type base, through cooperation use of the bosses and the grooves, displacement of adjacent unit base bodies in the longitudinal direction, the horizontal direction and the vertical direction can be limited at the same time, the ballastless track split type base is high in adaptability to the longitudinal and horizontal deformation and differential settlement, overlarge longitudinal and horizontal deformation of the base can be avoided, slow settlement transition can be achieved under the condition of the differential settlement, and step-type settlement of the base can be avoided.
Description
Technical field
The invention belongs to railway ballastless track structural system, be specifically related to a kind of non-fragment orbit sectional type base.
Background technology
At present, engineering is applied more non-fragment orbit base or supporting bed structure, mostly be continous way understructure, as CRTS I type double-block type ballastless track roadbed location supporting bed, CRTS II plate-type ballastless track roadbed and location, tunnel supporting bed, it is continous way understructure, on described base, cuts a horizontal precracking every certain length.This continuous structure is affected greatly by TEMPERATURE FORCE, and supporting bed or base may form crack because of external factor generation longitudinal strain, strong not to the differential settlement compliance on basis under line.
In CRTS III plate-type non-fragment orbit, roadbed location base is unit fraction block structure, and its unit base length is generally longer, for 3-5 piece track plates/road bed board long.Base adopts shearing rod to be connected or only adopts cystosepiment to separate with base.Shearing rod connected mode is difficult to ensure that in work progress all shearing rods of card are in the same plane, if under line there is very large differential settlement in basis, and along base horizontal direction differential settlement amount not etc., shearing rod is again in different planes, can cause along each row's shearing rod of base lateral aspects all stressed not etc., because the general rigidity of shearing rod is larger, may form the horizontal departure that left and right rail level is larger, cause that vehicle rocks inhomogeneous stressed with two strands of rail, causes rail irregular wear; Separate mode if only adopt cystosepiment, once under line there is differential settlement distortion in basis, also there is without restriction corresponding sedimentation in adjacent pans, may cause susceptor surface to form the discrepancy in elevation, even may cause the formation of the rail level step discrepancy in elevation, the irregularity of this kind of step rail level is also unfavorable to driving a vehicle.
Summary of the invention
Object of the present invention is exactly for above-mentioned defect, and it had been both unit partitioned organization that one is provided, and length is shorter, can limit again the non-fragment orbit sectional type base of base upper and lower displacement.
The technical solution used in the present invention is: a kind of non-fragment orbit sectional type base, comprise along railway longitudinally cooperatively interact arrange base, gap is left in adjacent pans junction, and between described adjacent pans, on the fitting face of correspondence, along continuous straight runs is respectively equipped with the first boss and the first groove that cooperatively interact; Between described adjacent pans, on the fitting face of correspondence, be vertically respectively equipped with the second boss and the second groove that cooperatively interact.
Preferably, the boss of described adjacent pans and the border of groove are all within the scope of the profile of base separately.
Preferably, the element length of described base can be one or the length of track plates how soon.
Preferably, the number of described boss and groove is one or more.
Preferably, the boss cooperatively interacting in described adjacent pans and the side of groove can arrange elastomeric material.
Preferably, packing material not in described gap, also can filling flexible material.
Beneficial effect of the present invention is:
1, because understructure of the present invention is unit sectional type understructure, its length can shorten to the length of a track plates, can reduce to a greater degree the impact of TEMPERATURE FORCE on base, ensures that base is difficult for occurring longitudinal large deformation.
2, base two ends are equipped with boss or groove in plane and short transverse, coordinate with adjacent pans, can limit displacement longitudinal and transverse, vertical direction simultaneously, to the strong adaptability of vertical lateral deformation and differential settlement, can avoid base that excessive vertical lateral deformation occurs, also can be by mild sedimentation transition under differential settlement condition, avoid the sedimentation of base generation step.
3, the present invention is without increasing special material and construction equipment in base construction, and construction is simple, easy to maintenance, can meet the high ride requirement of high-speed railway, passenger dedicated railway line, inter-city passenger rail.
Brief description of the drawings
Fig. 1 and Fig. 2 are the embodiment of the present invention 1 front view and skiagraph.
Fig. 1 and Fig. 3 are the embodiment of the present invention 2 front views and skiagraph.
Fig. 1 and Fig. 4 are the embodiment of the present invention 3 front views and skiagraph.
Fig. 1 and Fig. 5 are the embodiment of the present invention 4 front views and skiagraph.
Fig. 1 and Fig. 6 are the embodiment of the present invention 5 front views and skiagraph.
Fig. 7 and Fig. 8 are the embodiment of the present invention 6 front views and skiagraph.
Fig. 7 and Fig. 9 are the embodiment of the present invention 7 front views and skiagraph.
Fig. 7 and Figure 10 are the embodiment of the present invention 8 front views and skiagraph.
Fig. 7 and Figure 11 are the embodiment of the present invention 9 front views and skiagraph.
Fig. 7 and Figure 12 are the embodiment of the present invention 10 front views and skiagraph.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Embodiment 1: as shown in Figure 1, the present invention includes along railway longitudinally cooperatively interact arrange base, the length of base shortens to the length of a track plates, can reduce to a greater degree the impact of TEMPERATURE FORCE on base, ensure base be difficult for occur longitudinal large deformation.Gap 3 is left in junction between adjacent pans 1,2, between adjacent pans 1,2, on the fitting face of correspondence, along continuous straight runs is respectively equipped with the first boss 4 and the first groove 5 that cooperatively interact, and the boss cooperatively interacting and groove can limit the vertical, horizontal displacement between base.
As shown in Figure 2, between adjacent pans 1,2, on the fitting face of correspondence, be vertically respectively equipped with the second boss 6 and the second groove 7 that cooperatively interact.Boss and groove on base 1,2 coordinate the displacement that can limit the vertical direction between base in vertical direction.In adjacent pans 1,2 boss and the border of groove all within the scope of the profile of base separately.The boss cooperatively interacting in adjacent pans 1,2 and the side of groove can arrange elastomeric material, and the interior not packing material in gap 3 of boss and groove fit, also can filling flexible material.
Embodiment 2-5, as shown in Fig. 1, Fig. 3-6, these embodiment are substantially the same manner as Example 1, all establish first boss 3 and first groove 4 on adjacent pans 1,2 along continuous straight runs.Difference is, adjacent pans 1,2 is established one or more the second boss 6 and the second groove 7 in the vertical direction.As shown in Figure 3, base 1 boss is in the vertical direction contrary with Fig. 2, is that left end concave and downward convex, right-hand member epirelief are recessed, the boss corresponding with adjacent pans 2 and groove fit.As shown in Figure 4, base 1 right-hand member the second boss 6 is located at the middle part of base, and fovea superior convexity is recessed, and left end arranges groove at middle part, with boss and the groove fit of adjacent pans 2 in middle part setting.As shown in Figure 5, the second groove 7 is all established at base 1 middle part, two ends, and the second boss 6 of establishing with adjacent pans 2 two ends coordinates.As shown in Figure 6, be equipped with two the second boss 6 and the second groove 7 in the end of base 1 and adjacent pans 2.
Embodiment 7-10, as shown in Fig. 7, Fig. 9-12, establishes multiple the first boss 4 and the first groove 5 on adjacent pans 1,2 two ends along continuous straight runs, establish in the vertical direction one or more the second boss 6 and the second groove 7.
Base should carry out the examination on basis under line before construction, and clean, prewet etc., first lay base steel mesh reinforcement by the definite position dimension of design drawing, installation form is built, in gap 3, should have homologue to cover to prevent concrete slag and other foreign material from falling into gap, construction should ensure substructure height, base convex platform and groove size precision.Then seat concrete is carried out to maintenance, that treats that concrete strength reaches design strength more than 75% just can carry out stripping, then carries out the construction of follow-up track structure.The foreign material such as scum silica frost and other mounds of finally removing in seam 3 gaps can carry out the filling of gap material.
The above, be only preferred embodiment of the present invention, not structure of the present invention done to any pro forma restriction.Any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical scheme of the present invention, as the second boss on base being arranged on to the longitudinal end of the first boss, corresponding the second groove is arranged on the inner face of the first groove, the first boss and the second boss have difference in height, the first groove and the second groove have difference in height, can reach equally the object that restriction base deforms.
Claims (6)
1. a non-fragment orbit sectional type base, comprise along railway longitudinally cooperatively interact arrange base, gap is left in adjacent pans junction, it is characterized in that: between described adjacent pans, on the fitting face of correspondence, along continuous straight runs is respectively equipped with the first boss and the first groove that cooperatively interact; Between described adjacent pans, on the fitting face of correspondence, be vertically respectively equipped with the second boss and the second groove that cooperatively interact.
2. non-fragment orbit sectional type base according to claim 1, is characterized in that: the boss of described adjacent pans and the border of groove are all within the scope of the profile of base separately.
3. non-fragment orbit sectional type base according to claim 1, is characterized in that: the element length of described base can be the length of one or more track plates.
4. non-fragment orbit sectional type base according to claim 1, is characterized in that: the number of described boss and groove is one or more.
5. non-fragment orbit sectional type base according to claim 1, is characterized in that: the boss cooperatively interacting in described adjacent pans and the side of groove can arrange elastomeric material.
6. non-fragment orbit sectional type base according to claim 1, is characterized in that: packing material not in described gap, and also can filling flexible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210570816.9A CN103898812A (en) | 2012-12-25 | 2012-12-25 | Ballastless track split type base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210570816.9A CN103898812A (en) | 2012-12-25 | 2012-12-25 | Ballastless track split type base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103898812A true CN103898812A (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210570816.9A Pending CN103898812A (en) | 2012-12-25 | 2012-12-25 | Ballastless track split type base |
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| Country | Link |
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| CN (1) | CN103898812A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200868A (en) * | 2015-09-14 | 2015-12-30 | 中国铁道科学研究院金属及化学研究所 | Novel slab ballastless track structure |
| CN105714626A (en) * | 2016-01-21 | 2016-06-29 | 中铁第四勘察设计院集团有限公司 | Joggle joint type bearing rail beam structure for middle and low-speed magnetic suspension traffic engineering low line |
| CN107227659A (en) * | 2017-07-10 | 2017-10-03 | 中铁第四勘察设计院集团有限公司 | A kind of assembled non-fragment orbit |
| CN107858868A (en) * | 2017-10-31 | 2018-03-30 | 天津银龙预应力材料股份有限公司 | A kind of railcar track plates |
| CN108774922A (en) * | 2018-08-13 | 2018-11-09 | 中铁二院工程集团有限责任公司 | A kind of assembled ballastless track system |
| CN108774921A (en) * | 2018-08-13 | 2018-11-09 | 中铁二院工程集团有限责任公司 | A kind of assembled fragment-free track slab |
| CN113550176A (en) * | 2021-07-07 | 2021-10-26 | 高速铁路建造技术国家工程实验室 | External spacing module pin-connected panel track structure |
| CN113737575A (en) * | 2021-09-02 | 2021-12-03 | 中铁二院工程集团有限责任公司 | Ballastless track plate end damping clamping groove device |
-
2012
- 2012-12-25 CN CN201210570816.9A patent/CN103898812A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200868A (en) * | 2015-09-14 | 2015-12-30 | 中国铁道科学研究院金属及化学研究所 | Novel slab ballastless track structure |
| CN105714626A (en) * | 2016-01-21 | 2016-06-29 | 中铁第四勘察设计院集团有限公司 | Joggle joint type bearing rail beam structure for middle and low-speed magnetic suspension traffic engineering low line |
| CN105714626B (en) * | 2016-01-21 | 2017-05-10 | 中铁第四勘察设计院集团有限公司 | Joggle joint type bearing rail beam structure for middle and low-speed magnetic suspension traffic engineering low line |
| WO2017125029A1 (en) * | 2016-01-21 | 2017-07-27 | 中铁第四勘察设计院集团有限公司 | Joggle joint type rail support beam structure for middle and low-speed magnetic suspension traffic engineering low line |
| CN107227659A (en) * | 2017-07-10 | 2017-10-03 | 中铁第四勘察设计院集团有限公司 | A kind of assembled non-fragment orbit |
| CN107858868A (en) * | 2017-10-31 | 2018-03-30 | 天津银龙预应力材料股份有限公司 | A kind of railcar track plates |
| CN108774922A (en) * | 2018-08-13 | 2018-11-09 | 中铁二院工程集团有限责任公司 | A kind of assembled ballastless track system |
| CN108774921A (en) * | 2018-08-13 | 2018-11-09 | 中铁二院工程集团有限责任公司 | A kind of assembled fragment-free track slab |
| CN113550176A (en) * | 2021-07-07 | 2021-10-26 | 高速铁路建造技术国家工程实验室 | External spacing module pin-connected panel track structure |
| CN113737575A (en) * | 2021-09-02 | 2021-12-03 | 中铁二院工程集团有限责任公司 | Ballastless track plate end damping clamping groove device |
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Application publication date: 20140702 |