CN208279946U - A kind of fragment-free track slab framework of steel reinforcement insulation system - Google Patents
A kind of fragment-free track slab framework of steel reinforcement insulation system Download PDFInfo
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- CN208279946U CN208279946U CN201721531950.2U CN201721531950U CN208279946U CN 208279946 U CN208279946 U CN 208279946U CN 201721531950 U CN201721531950 U CN 201721531950U CN 208279946 U CN208279946 U CN 208279946U
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- reinforcing bar
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Abstract
The utility model relates to a kind of fragment-free track slab framework of steel reinforcement insulation system, including plate body, prestress reinforcement structure and common reinforcement structure are equipped in plate body, prestress reinforcement structure is set in common reinforcement structure；Prestress reinforcement structure includes transversely prestressed bars and longitudinal prestressing muscle；Transversely prestressed bars are arranged in the middle part of plate body, and longitudinal prestressing muscle is arranged in plate body upper and lower part, and transversely prestressed bars and longitudinal prestressing muscle are arranged apart, do not overlap mutually；Common reinforcement structure includes vertical structure reinforcing bar, auxiliary bar, bearing rod, flush type terminal, zinc-coated flat steel sheet and transverse structure reinforcing bar；Vertical structure reinforcing bar, auxiliary bar and transverse structure reinforcing bar form hollow, rectangular steel reinforcement cage；The utility model can reach following effect: solve the problems, such as influence of the vertical, horizontal reinforcing bar to track circuit in track plates；It avoids that insulation measures is taken to have an impact track plates durability；Good economy performance, amount of reinforcement is less, saves using expense required for coated reinforcement or insulating sleeve.
Description
Technical field
The utility model category rail plate technique field mainly solves the Insulation Problems of track plates and track circuit, specifically
A kind of fragment-free track slab framework of steel reinforcement insulation system.
Background technique
There is track plates quality easily to ensure, durability is high, crack resistance is good, and speed of application is fast, and track recoverability is preferable etc.
Advantage, but since the reinforcing bar circuit in track plates, pedestal, convex blocking platform and rail are by the mutual inductance effect between electric current, it influences
The conveying length of resonant mode non-insulated track circuit；If not doing insulation processing, track circuit transmission distance and standard requirements are poor
Away from very big.
Therefore, it is necessary to reduce track plates section to the transmission of track circuit influence, is tested and tied according to the research of latest domestic
Fruit, the reinforcing steel bar insulating processing in track plates still have the problem that need to handle that number of steel bars is more, processing difficulty is big；In usual engineering
The measure taken is the insulation between reinforcing bar；There are two types of insulation modes between reinforcing bar, and one is reinforcing bar crosspoints to add insulating sleeve
Or insulating blanked clamper, another kind are using Epoxy Resin Coated Steel Bars.
But these insulation measures there is a problem of following:
First is that the crosspoint of reinforcing bar adds edge insulator or insulating sleeve；Edge insulator or insulating sleeve generally use common poly- second
Alkene plastics or nylon production, polyethylene, nylon material and concrete shrinkage coefficient difference are larger at normal temperature, the easy shape in junction
At hole, be easy to produce crack hair, necessarily have a adverse impact to the durability of track plates, influence degree is still unknown
Really, it needs to examine by putting into practice.
Second is that using coated reinforcement；The generation in crack source is avoided using coated reinforcement, but epoxy coating causes to mix
The bond stress for coagulating soil reduces, and the bearing capacity and durability to structure generate large effect.
The Insulation Problems of track plates and track circuit are the weights that must be solved in China's non-fragment orbit large-scale promotion use
Want problem.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of fragment-free track slab framework of steel reinforcement insulation system, with
It solves using the insulation technologies such as traditional approach such as edge insulator or insulating sleeve, coated reinforcement to the bearing capacity of track plates structure and resistance to
The problem of long property produces bigger effect.
The technical scheme adopted by the utility model is a kind of fragment-free track slab framework of steel reinforcement insulation system is provided, including
Plate body, it is characterised in that: prestress reinforcement structure and common reinforcement structure are equipped in plate body, the prestress reinforcement structure is set
In in common reinforcement structure；The prestress reinforcement structure includes transversely prestressed bars and longitudinal prestressing muscle；The cross
It is arranged in the middle part of plate body to presstressed reinforcing steel, the transversely prestressed bars more are arranged into one layer of transversely prestressed bars net, own
Transversely prestressed bars do not overlap；The longitudinal prestressing muscle is arranged in plate body upper and lower part, the longitudinal prestressing
More, muscle are arranged into two layers of longitudinal prestressing muscle net, and longitudinal prestressing muscle net described in two layers is arranged in plate body upper and lower part,
All longitudinal prestressing muscle do not overlap；The transversely prestressed bars net and longitudinal prestressing muscle net is arranged apart, does not take mutually
It connects.
Further, the common reinforcement structure includes drainage item, vertical structure reinforcing bar, auxiliary bar, bearing rod, flush type
Terminal, zinc-coated flat steel sheet and transverse structure reinforcing bar；Vertical structure reinforcing bar, auxiliary bar and the transverse structure reinforcing bar forms hollow square
Shape steel reinforcement cage, for the prestress reinforcement structure setting in hollow, rectangular steel reinforcement cage, the hollow, rectangular steel reinforcement cage is upper and lower
Two sides is arranged by vertical structure reinforcing bar and transverse structure reinforcing bar and forms steel mesh, and the auxiliary bar is around upper and lower two layers of reinforcing bar
The net composition wire side of hollow, rectangular steel reinforcement cage front, rear, left and right four, the bearing rod are arranged in hollow, rectangular steel reinforcement cage, and
Bearing rod is not touched with prestress reinforcement structure；The plate body both ends are stitched equipped with malformation, and the steel mesh both ends are close to change
The first row transverse structure reinforcing bar of shape seam is electrically welded with all vertical structure reinforcing bars intersected, lateral junction in the middle part of the steel mesh
Structure reinforcing bar and all vertical structure reinforcement weldings intersected；The drainage item is two and plate body is perpendicular under rail track
Side, and it is located at the vertical structure reinforcing bar with all transverse structure reinforcement weldings of whole rail roadbed surface layer；Other institute
The vertical structure reinforcing bar stated, the transverse structure reinforcing bar described in other, bearing rod, auxiliary bar do not overlap mutually；The steel mesh
Form the main collection monitoring net of stray electrical current；The zinc-coated flat steel sheet is welded on the vertical structure reinforcing bar of malformation seam two sides；
The flush type terminal and zinc-coated flat steel sheet weld.
Further, the vertical structure reinforcing bar and transverse structure reinforcing bar are some or all for hot rolled ribbed bars.
Further, plate body surface both ends are distributed with concrete track.
Further, the track plate body side surface is equipped with the lifting casing for lifting.
Further, plate body surface is equipped with service sleeve.
The utility model is exclusively used in the pre-tensioned prestressed concrete track plates with a thickness of 260mm of plate, this pre-tensioned prestressing
Concrete railway board is that the domestic intercity general location of track is easy to send out in the process of running to solve thin plate (100 ~ 200mm of thickness)
A kind of pre-tensioned prestressed concrete track plates giving birth to buckling deformation and using.
After using the above structure, following effect can achieve: (1) in the case where not increasing insulation measures, solving track
Influence problem of the vertical, horizontal reinforcing bar to track circuit in plate；(2) it avoids to meet insulation measures that track circuit is taken to rail
Guidance tape durability has an impact, and vertical, horizontal reinforcing bar crosspoint is more in I type of CRTS, II type track plates of CRTS, using casing, absolutely
Edge card or coated reinforcement can produce the durability of bond stress and structure between concrete inherent quality, reinforcing bar and concrete
Raw adverse effect, and the reinforcement manner of the utility model pretensioned prestressing track plates can thoroughly solve this problem；(3) economical
Property it is good, the utility model pre-tensioning system produce pre-stress rail plate it is lower-cost the reason is that, amount of reinforcement in track plates compared with
It is few, it saves using expense required for coated reinforcement or insulating sleeve.
Detailed description of the invention
Fig. 1 is the prestress reinforcement structure top view perspective view of the utility model.
Fig. 2 is the prestress reinforcement structure A-A partial sectional view of the utility model.
Fig. 3 is the prestress reinforcement structure B-B partial sectional view of the utility model.
Fig. 4 is the common reinforcement structure top view perspective figure of the utility model.
Fig. 5 is the common reinforcement structure C-C partial sectional view of the utility model.
Fig. 6 is the common reinforcement structure D-D partial sectional view of the utility model.
Fig. 7 is the common reinforcement structure E-E partial sectional view of the utility model.
In figure, 1, plate body, 2, transversely prestressed bars, 3, longitudinal prestressing muscle, 4, flush type terminal, 5, lifting casing, 6,
Vertical structure reinforcing bar, 7, transverse structure reinforcing bar, 8, service sleeve, 9, bearing rod, 10, zinc-coated flat steel sheet, 11, drainage item, 12, auxiliary
Muscle, 13, concrete track, 14, vertical structure reinforcing bar and transverse structure steel bar welding contact.
Specific embodiment
The utility model is described in detail below in conjunction with drawings and examples.
As shown in Figures 1 to 7, a kind of fragment-free track slab framework of steel reinforcement insulation system, including plate body 1, plate body 1 is interior to be equipped in advance
Stress reinforcement structure and common reinforcement structure, prestress reinforcement structure are set in common reinforcement structure；Prestress reinforcement structure packet
Include transversely prestressed bars 2 and longitudinal prestressing muscle 3；The setting of transversely prestressed bars 2 is in the middle part of plate body 1, and transversely prestressed bars more than 2
It is arranged into one layer of transversely prestressed bars net, all transversely prestressed bars 2 do not overlap；Longitudinal prestressing muscle 3 is arranged on plate body 1
Portion and lower part, more than 3, longitudinal prestressing muscle are arranged into two layers of longitudinal prestressing muscle net, and two layers of longitudinal prestressing muscle net is arranged in plate
1 upper and lower part of body, all longitudinal prestressing muscle 3 do not overlap；Transversely prestressed bars net and longitudinal prestressing muscle net separate cloth
It sets, does not overlap mutually.
As shown in Fig. 4 to 7, common reinforcement structure include drainage item 11, vertical structure reinforcing bar 6, auxiliary bar 12, bearing rod 9,
Flush type terminal 4, zinc-coated flat steel sheet 10 and transverse structure reinforcing bar 7；Vertical structure reinforcing bar 6, auxiliary bar 12 and 7 groups of transverse structure reinforcing bar
At hollow, rectangular steel reinforcement cage, prestress reinforcement structure setting is in hollow, rectangular steel reinforcement cage, hollow, rectangular steel reinforcement cage upper and lower faces
Steel mesh is formed by vertical structure reinforcing bar 6 and the arrangement of transverse structure reinforcing bar 7, auxiliary bar 12 is formed around upper and lower two layers of steel mesh
The wire side of hollow, rectangular steel reinforcement cage front, rear, left and right four, bearing rod 9 are arranged in hollow, rectangular steel reinforcement cage, and bearing rod 9 and pre-
Stress reinforcement structure is not touched；1 both ends of plate body are stitched equipped with malformation, first row lateral junction of the steel mesh both ends close to deformation joint
Structure reinforcing bar 7 and all vertical structure reinforcing bars 6 for intersecting electrically weld, and transverse structure reinforcing bar 7 and the institute intersected in the middle part of steel mesh
There is the welding of vertical structure reinforcing bar 6；Drainage item 11 is two and plate body 1 is perpendicular to rail track lower section, and is located at whole rail road
The vertical structure reinforcing bar 6 with the welding of all transverse structure reinforcing bars 7 of bed top surface surface layer；Other vertical structure reinforcing bars 6, other cross
It is not overlapped mutually to structure reinforcing bars 7, bearing rod 9, auxiliary bar 12；Steel mesh forms the main collection monitoring net of stray electrical current；It is zinc-plated flat
Steel 10 is welded on the vertical structure reinforcing bar 6 of malformation seam two sides；Flush type terminal 4 and zinc-coated flat steel sheet 10 weld.
As shown in Figures 4 to 7, vertical structure reinforcing bar 6 and transverse structure reinforcing bar 7 are some or all for hot-rolled strip rib steel
Muscle.
As shown in Figures 1 to 7,1 surface both ends of plate body are respectively equipped with concrete track 13.
As shown in Figures 1 to 7,1 side of plate body is equipped with the lifting casing 5 for lifting.
As shown in Figures 1 to 7,1 surface of plate body is equipped with service sleeve 8.
More than the utility model use prestress reinforcement structure and common reinforcement structure Composite Layout mode, production process
It is main as follows: to determine reasonable Bar Anchorage position using mold, hot rolled ribbed bars are symmetrically arranged in track plates two sides, cloth
It sets vertical structure reinforcing bar two layers, two layers of reinforcing bar of transverse structure, prestress reinforcement structure is arranged in common reinforcement structure, simultaneously
Play the effect of distributing bar；Using the thickness of plate, determine reasonable Bar Anchorage position in mold, by tensioning make reinforcing bar it
Between keep certain spacing, under conditions of not increasing other insulation measures, pass through prestress reinforcement structure and common arrangement of reinforcement knot
Structure skeleton separation arrangement draws flush type terminal using the good insulation performance of concrete, while by welding position, reaches steel
Muscle insulation purpose.
Using the track plate insulation performance test of the utility model: it will be placed on solid smooth ground by inspection track plates,
Two rail are placed on to the support rail position of track plates, and the every rail both ends length of stretching out track plates answer it is identical；With insulation
Block (such as wood block filler) paves rail, keeps rail bottom equal with fastener assembled height apart from support rail face height, gauge adjustment is
1435mm±3mm；With connecting line by two rail the same ends directly be not more than 10mm bolt crimping by way of the company of envelope, in steel
Connecting terminal is squeezed into rail other end circular hole position, and connecting terminal should be completely embedded with rail, and be connect with tester；Using electric bridge
Tester measures the inductance value L(mH between two rail connection terminals) and resistance value R(m Ω), test frequency is defined as 2000Hz, measurement
3 times, calculation takes art average value as measurement result；It removes by inspection track plates, rail is placed on insulating bodies (such as wood block filler), is made
Height of the rail bottom apart from ground is identical as before removal track plates, adjusts gauge to 1435mm ± 3mm, and keep two rail another
The connection status at end；Inductance value LO(mH between the secondary two rail connection terminals of measurement using bridge test instrument) and resistance value RO(m
Ω), test frequency is defined as 2000Hz, measures 3 times, and calculation takes art average value as measurement result.
Qualitative test shows: using the non-fragment orbit of this track plates arrangement of reinforcement, track circuit electric property is close to having
Tiny fragments of stone, coal, etc. track, not only ensure that the qualification rate of framework of steel reinforcement megger test, but also reduce production cost, be the scientific research of similar product
And production provides experience.
Claims (6)
1. a kind of fragment-free track slab framework of steel reinforcement insulation system, including plate body (1), it is characterised in that: be equipped in plate body (1) and answer in advance
Power reinforcement structure and common reinforcement structure, the prestress reinforcement structure are set in common reinforcement structure；The prestressing force
Reinforcement structure includes transversely prestressed bars (2) and longitudinal prestressing muscle (3)；The transversely prestressed bars (2) are arranged in plate body
(1) middle part, more of the transversely prestressed bars (2) are arranged into one layer of transversely prestressed bars net, all transversely prestressed bars (2)
It does not overlap；The longitudinal prestressing muscle (3) is arranged in plate body (1) upper and lower part, and the longitudinal prestressing muscle (3) is more
Root is arranged into two layers of longitudinal prestressing muscle net, and longitudinal prestressing muscle net described in two layers is arranged in plate body (1) upper and lower part, institute
There is longitudinal prestressing muscle (3) not overlap；The transversely prestressed bars net and longitudinal prestressing muscle net is arranged apart, does not take mutually
It connects.
2. fragment-free track slab framework of steel reinforcement insulation system according to claim 1, it is characterised in that: the common arrangement of reinforcement
Structure includes drainage item (11), vertical structure reinforcing bar (6), auxiliary bar (12), bearing rod (9), flush type terminal (4), zinc-plated flat
Steel (10) and transverse structure reinforcing bar (7)；Vertical structure reinforcing bar (6), auxiliary bar (12) and transverse structure reinforcing bar (7) composition
Hollow, rectangular steel reinforcement cage, the prestress reinforcement structure setting is in hollow, rectangular steel reinforcement cage, the hollow, rectangular reinforcing bar
Cage upper and lower faces form steel mesh, the auxiliary bar (12) by vertical structure reinforcing bar (6) and transverse structure reinforcing bar (7) arrangement
The wire side of hollow, rectangular steel reinforcement cage front, rear, left and right four, the bearing rod (9) setting are formed around upper and lower two layers of steel mesh
In hollow, rectangular steel reinforcement cage, and bearing rod (9) is not touched with prestress reinforcement structure；Plate body (1) both ends are equipped with structure
Deformation joint, first row transverse structure reinforcing bar (7) and all vertical structure steel that intersect of the steel mesh both ends close to deformation joint
Muscle (6) electrically welds, and transverse structure reinforcing bar (7) is welded with all vertical structure reinforcing bars (6) intersected in the middle part of the steel mesh；
The drainage item (11) is two and plate body (1) is perpendicular to rail track lower section, and is located at whole rail roadbed surface layer
With all transverse structure reinforcing bars (7) welding vertical structure reinforcing bar (6)；Vertical structure reinforcing bar (6), other institutes described in other
Transverse structure reinforcing bar (7), bearing rod (9), the auxiliary bar (12) stated do not overlap mutually；The steel mesh forms stray electrical current master
Collect monitoring net；The zinc-coated flat steel sheet (10) is welded on the vertical structure reinforcing bar (6) of malformation seam two sides；The embedment
Formula terminal (4) and zinc-coated flat steel sheet (10) are welded.
3. fragment-free track slab framework of steel reinforcement insulation system according to claim 2, it is characterised in that: the vertical structure steel
Muscle (6) and transverse structure reinforcing bar (7) are some or all for hot rolled ribbed bars.
4. fragment-free track slab framework of steel reinforcement insulation system according to any one of claims 1 to 3, it is characterised in that: the plate
Body (1) surface both ends are respectively equipped with concrete track (13).
5. fragment-free track slab framework of steel reinforcement insulation system according to any one of claims 1 to 3, it is characterised in that: the plate
Body (1) side is equipped with the lifting casing (5) for lifting.
6. fragment-free track slab framework of steel reinforcement insulation system according to any one of claims 1 to 3, it is characterised in that: plate body (1)
Surface is equipped with service sleeve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721531950.2U CN208279946U (en) | 2017-11-16 | 2017-11-16 | A kind of fragment-free track slab framework of steel reinforcement insulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721531950.2U CN208279946U (en) | 2017-11-16 | 2017-11-16 | A kind of fragment-free track slab framework of steel reinforcement insulation system |
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| CN208279946U true CN208279946U (en) | 2018-12-25 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675564A (en) * | 2017-11-16 | 2018-02-09 | 广西三维铁路轨道制造有限公司 | A kind of fragment-free track slab framework of steel reinforcement insulation system |
| RU203333U1 (en) * | 2020-12-01 | 2021-03-31 | Акционерное общество "РЖДстрой" | Ballastless track plate |
| RU203332U1 (en) * | 2020-11-10 | 2021-03-31 | Акционерное общество "РЖДстрой" | Ballastless track plate |
| CN114808557A (en) * | 2022-03-22 | 2022-07-29 | 上海市城市建设设计研究总院（集团）有限公司 | Fixing structure and construction method of tramcar anti-creeping reinforcing mesh |
-
2017
- 2017-11-16 CN CN201721531950.2U patent/CN208279946U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675564A (en) * | 2017-11-16 | 2018-02-09 | 广西三维铁路轨道制造有限公司 | A kind of fragment-free track slab framework of steel reinforcement insulation system |
| RU203332U1 (en) * | 2020-11-10 | 2021-03-31 | Акционерное общество "РЖДстрой" | Ballastless track plate |
| RU203333U1 (en) * | 2020-12-01 | 2021-03-31 | Акционерное общество "РЖДстрой" | Ballastless track plate |
| CN114808557A (en) * | 2022-03-22 | 2022-07-29 | 上海市城市建设设计研究总院（集团）有限公司 | Fixing structure and construction method of tramcar anti-creeping reinforcing mesh |
| CN114808557B (en) * | 2022-03-22 | 2023-09-01 | 上海市城市建设设计研究总院（集团）有限公司 | Fixing structure and construction method of tramcar anti-vage reinforcing mesh |
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