Temporary support device for replacement of integral ballast bed
阅读说明：本技术 一种整体道床置换临时支撑装置 (Temporary support device for replacement of integral ballast bed ) 是由 娄会彬 郭积程 谭诗雨 杨艳丽 王森荣 张世杰 朱彬 于 2019-10-14 设计创作，主要内容包括：本发明公开了一种整体道床置换临时支撑装置,其特征在于：该整体道床置换临时支撑装置用于拆除既有整体道床之前,临时支撑于相邻既有轨枕之间的钢轨下方；包括扣配件和钢支墩；所述钢支墩为上下组装结构,包括上部组件和下部组件,所述扣配件安装在所述上部组件上方,所述下部组件的下方与下部基础连接；所述上部组件和下部组件之间可垂向调节并固定。本发明的临时支撑装置具有足够的强度和稳定性,整体质量较轻,满足隧道内施工人工搬运的要求,同时在整体道床改造期间,方便的实现对钢轨的调整和定位,保证线路的平顺性,方便拆卸,且可循环使用,显著保证改造期间线路运行安全,降低施工造价。(The invention discloses a temporary support device for replacement of an integral ballast bed, which is characterized in that: the integral track bed replacement temporary supporting device is used for temporarily supporting the lower part of a steel rail between adjacent existing sleepers before the existing integral track bed is removed; comprises a buckle part and a steel buttress; the steel buttress is of an up-and-down assembly structure and comprises an upper component and a lower component, the buckling part is arranged above the upper component, and the lower part of the lower component is connected with a lower foundation; the upper assembly and the lower assembly can be vertically adjusted and fixed. The temporary supporting device has enough strength and stability, the whole weight is lighter, the requirement of manual carrying in tunnel construction is met, meanwhile, during the transformation of the whole ballast bed, the adjustment and the positioning of the steel rail are conveniently realized, the smoothness of the line is ensured, the disassembly is convenient, the temporary supporting device can be recycled, the operation safety of the line during the transformation is obviously ensured, and the construction cost is reduced.)
1. The utility model provides a temporary strutting arrangement of whole railway roadbed replacement which characterized in that: the integral track bed replacement temporary supporting device is used for temporarily supporting the lower part of a steel rail between adjacent existing sleepers before the existing integral track bed is removed;
comprises a buckle part and a steel buttress;
the steel buttress is of an up-and-down assembly structure and comprises an upper component and a lower component, the buckling part is arranged above the upper component, and the lower part of the lower component is connected with a lower foundation; the upper assembly and the lower assembly can be vertically adjusted and fixed.
2. The monolithic ballast bed replacement temporary support apparatus of claim 1, wherein:
the upper assembly comprises an upper connecting piece (4) and an upper top plate (8);
the lower component comprises a lower connecting piece (5) and a lower bottom plate (9);
the buckle part is fixedly connected to the upper top plate (8), and the lower bottom plate (9) is fixedly connected with the lower foundation;
the upper connecting piece (4) and the lower connecting piece (5) are matched in shape and can be vertically adjusted and fixed.
3. The monolithic ballast bed replacement temporary support apparatus of claim 2, wherein:
the upper connecting piece (4) and the lower connecting piece (5) are of sleeve structures which are sleeved with each other.
4. The monolithic ballast bed replacement temporary support apparatus of claim 3, wherein:
the sleeves of the upper connecting piece (4) and the lower connecting piece (5) are rectangular sleeves.
5. The monolithic ballast bed replacement temporary support apparatus of claim 3, wherein:
the sleeves of the upper connecting piece (4) and the lower connecting piece (5) are circular sleeves.
6. The monolithic ballast bed replacement temporary support apparatus of claim 3, wherein:
the upper connecting piece (4) is sleeved inside or outside the lower connecting piece (5).
7. The monolithic ballast bed replacement temporary support apparatus of claim 2, wherein:
bolt holes are formed in the upper top plate (8) and the periphery of the upper connecting piece (4), and the upper top plate and the periphery of the upper connecting piece are fixedly connected with the buckling parts through anchor bolts (1).
8. The monolithic ballast bed replacement temporary support apparatus of claim 2, wherein:
bolt holes are formed in the peripheries of the upper connecting piece (5) and the lower connecting piece (5) of the lower bottom plate (9) and are fixedly connected with the lower foundation through foundation bolts (7).
9. The monolithic ballast bed replacement temporary support apparatus of claim 2, wherein:
the buckle fittings comprise iron base plates (2) and elastic strips; the iron base plate (2) is fixed on the upper top plate (8), and the steel rail and the iron base plate (2) are connected and fixed through the elastic strip.
10. The monolithic ballast bed replacement temporary support apparatus of claim 9, wherein:
the buckling part also comprises a rubber base plate which is arranged between the iron base plate (2) and the upper top plate (8).
Technical Field
The invention belongs to the technical field of ballastless tracks in track traffic, and particularly relates to a temporary support device for replacing an integral ballast bed, which ensures that a line is not interrupted during the removal and replacement of the integral ballast bed.
Background
High-speed railway and urban rail transit generally adopt whole railway roadbed structure, and the disease appears in the ballastless track in the use, and design ballastless track transformation etc. need demolish existing whole railway roadbed in urban rail transit, replace to new railway roadbed structure, and during the track is demolishd, need guarantee the operation safety of uninterrupted operation of circuit and train, reduce the adverse effect to transport capacity and driving organization during the transformation.
As shown in fig. 1-2, patent application CN 104499384 a discloses a temporary transition steel sleeper track structure capable of realizing eccentric and ultrahigh adjustment. However, the structure has complex design, heavy weight, high cost and inconvenient field adjustment, and can cause adverse effects on the field construction precision and the construction quality; the steel sleeper is only suitable for the section of a circular tunnel, and the adaptability of the section of the rectangular tunnel is poor.
Disclosure of Invention
Aiming at least one of the defects or improvement requirements in the prior art, the invention provides the temporary support device for the replacement of the integral ballast bed, which has enough strength and stability, lighter integral mass, meets the requirement of manual transportation in the tunnel during construction, and simultaneously, during the reconstruction of the integral ballast bed, the adjustment and the positioning of a steel rail are conveniently realized, the smoothness of a line is ensured, the disassembly is convenient, the device can be recycled, the operation safety of the line during the reconstruction is obviously ensured, and the construction cost is reduced.
To achieve the above object, according to one aspect of the present invention, there is provided a monolithic ballast bed replacement temporary supporting apparatus, characterized in that: the integral track bed replacement temporary supporting device is used for temporarily supporting the lower part of a steel rail between adjacent existing sleepers before the existing integral track bed is removed;
comprises a buckle part and a steel buttress;
the steel buttress is of an up-and-down assembly structure and comprises an upper component and a lower component, the buckling part is arranged above the upper component, and the lower part of the lower component is connected with a lower foundation; the upper assembly and the lower assembly can be vertically adjusted and fixed.
Preferably, the upper assembly comprises an upper connector and an upper top plate;
the lower assembly comprises a lower connecting piece and a lower bottom plate;
the buckle fittings are fixedly connected to the upper top plate, and the lower bottom plate is fixedly connected with the lower foundation;
the upper connecting piece and the lower connecting piece are matched in shape and can be vertically adjusted and fixed.
Preferably, the upper connecting piece and the lower connecting piece are of sleeve structures sleeved with each other.
Preferably, the sleeves of the upper and lower connecting members are rectangular sleeves.
Preferably, the sleeves of the upper and lower connectors are circular sleeves.
Preferably, the upper connector is sleeved inside or outside the lower connector.
Preferably, bolt holes are formed in the upper top plate and the periphery of the upper connecting piece, and the upper top plate and the periphery of the upper connecting piece are fixedly connected with the buckling parts through anchor bolts.
Preferably, bolt holes are formed in the peripheries of the upper connecting piece and the lower connecting piece of the lower bottom plate and are fixedly connected with the lower foundation through foundation bolts.
Preferably, the fastener fitting comprises an iron backing plate and an elastic strip; the iron base plate is fixed on the upper top plate, and the steel rail and the iron base plate are connected and fixed through the elastic strip.
Preferably, the snap fitting further comprises a rubber pad disposed between the iron pad and the upper top plate.
The above-described preferred features may be combined with each other as long as they do not conflict with each other.
Generally, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:
1. the supporting system is simple in structure, only comprises an upper assembly type system and a lower assembly type system, is connected with the fastener, and is fixed on the lower foundation, and longitudinal and transverse adjustment of the track panel structure can be completed only by adjusting the assembly state of the upper structure and the lower structure, so that vertical large-scale height adjustment can be realized, and the adaptability to the lower foundation is stronger.
2. This braced system weight is lighter, and the accessible is artifical to be carried to the job site, and need not to use special hoisting apparatus during the adjustment, can accomplish the adjustment to the track structural state, to the tunnel section construction that the space is nervous relatively, reduces track adjustment time by a wide margin, to the construction of skylight point, has better advantage.
3. The supporting system is of an assembled structure, manufacturing and processing are simple, the device can be reused, maintenance cost is reduced, and the requirement for quick and efficient daily maintenance and repair is met.
4. After the device is coarsely adjusted in place, the lower part structure is cast in place by adopting concrete, the tight connection with the lower part foundation is ensured through bolts, the structural stability is ensured, only the steel rail is finely adjusted in place, and the line operation requirement can be met by once pouring.
5. The novel supporting system can meet the use requirements of rectangular and circular tunnel sections and can meet the use requirements of turnout zone transformation.
Drawings
FIG. 1 is a schematic diagram of the prior art;
FIG. 2 is another schematic diagram of the prior art;
FIG. 3 is a schematic view of an overall track bed replacement temporary support apparatus according to an embodiment of the present invention;
fig. 4 is a schematic view of a steel buttress of the integrated ballast bed replacement temporary support apparatus of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other. The present invention will be described in further detail with reference to specific embodiments.
As a preferred embodiment of the present invention, as shown in fig. 3 to 4, the present invention provides a monolithic ballast bed replacement temporary supporting apparatus, characterized in that: the integral track bed replacement temporary supporting device is used for temporarily supporting the lower part of a steel rail between adjacent existing sleepers before the existing integral track bed is removed; comprises a buckle part and a steel buttress; the steel buttress is of an up-and-down assembly structure and comprises an upper component and a lower component, the buckling part is arranged above the upper component, and the lower part of the lower component is connected with a lower foundation; the upper assembly and the lower assembly can be vertically adjusted and fixed.
As shown in fig. 3, the upper assembly includes an
As shown in fig. 4, the upper connecting
Bolt holes are formed in the upper top plate 8 and the periphery of the upper connecting
Bolt holes are formed in the peripheries of the upper connecting
When used in a rectangular tunnel end face, the
The buckle fittings comprise
The support system disclosed by the invention is simple in structure, only comprises an upper and lower assembly type system, a fastener connecting part and a lower foundation fixing part, and can complete longitudinal and transverse adjustment of the track panel structure only by adjusting the assembly state of the upper and lower structures, so that the vertical large-scale height adjustment can be realized, and the adaptability to the lower foundation is stronger. This braced system weight is lighter, and the accessible is artifical to be carried to the job site, and need not to use special hoisting apparatus during the adjustment, can accomplish the adjustment to the track structural state, to the tunnel section construction that the space is nervous relatively, reduces track adjustment time by a wide margin, to the construction of skylight point, has better advantage. The supporting system is of an assembled structure, manufacturing and processing are simple, the device can be reused, maintenance cost is reduced, and the requirement for quick and efficient daily maintenance and repair is met. After the device is coarsely adjusted in place, the lower part structure is cast in place by adopting concrete, the tight connection with the lower part foundation is ensured through bolts, the structural stability is ensured, only the steel rail is finely adjusted in place, and the line operation requirement can be met by once pouring. The novel supporting system can meet the use requirements of rectangular and circular tunnel sections and can meet the use requirements of turnout zone transformation.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
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