CN220421430U - Reinforcing steel bar polarization potential protection system based on path separation - Google Patents
Reinforcing steel bar polarization potential protection system based on path separation Download PDFInfo
- Publication number
- CN220421430U CN220421430U CN202321381593.1U CN202321381593U CN220421430U CN 220421430 U CN220421430 U CN 220421430U CN 202321381593 U CN202321381593 U CN 202321381593U CN 220421430 U CN220421430 U CN 220421430U
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- Prior art keywords
- rail
- sleeve
- protection system
- insulating
- polarization potential
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- 230000010287 polarization Effects 0.000 title claims abstract description 18
- 238000000926 separation method Methods 0.000 title claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 title description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 241001669679 Eleotris Species 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims abstract description 11
- 230000002787 reinforcement Effects 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 229910052742 iron Inorganic materials 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 9
- 229910052751 metal Inorganic materials 0.000 abstract description 9
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 18
- 238000002955 isolation Methods 0.000 description 3
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000003574 free electron Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The utility model discloses a path-blocking-based reinforcement polarization potential protection system which comprises a steel rail, a fastener component, a sleeper, a track bed plate, a cushion layer and a substrate, wherein the track bed plate is embedded in the substrate, the cushion layer is paved between the track bed plate and the substrate, the steel rail and the sleeper are arranged at the top end of the track bed plate, the fastener component is arranged at the top end of the sleeper, one side rail web of the steel rail is longitudinally and continuously wrapped to the other side rail web of the steel rail, and an insulation protection device is arranged at intervals along the length of the steel rail. The utility model adopts a multilayer insulation protection system, realizes the source control of stray current and the blocking of a propagation path, can greatly reduce the leakage quantity of the stray current, weakens the polarization effect on the steel bar, reduces the polarization potential of the steel bar, reduces the corrosion of the stray current on the steel rail and the metal components thereof, and effectively protects the steel bar, the steel rail and the metal components thereof.
Description
Technical Field
The utility model relates to the field of power supply and stray current prevention and control of track engineering, in particular to a reinforcing steel bar polarization potential protection system based on path blocking.
Background
Because of the limitations of construction and maintenance costs, the rail is often used as a return line of a subway direct current traction system in a subway system, and the rail fasteners are difficult to completely insulate from the ground, so that a part of traction current flows into the ground through the rail and then flows back to a traction substation through the ground, and the current flowing into the ground through the rail fasteners is called stray current.
There are two main reasons for the generation of stray currents: 1. current leakage is mainly caused by poor insulation or poor contact and the like; 2. the electric field gradient is generated by the electric field force acting on free electrons in the metal, and the free electrons move out along a fixed direction, so that the buried metal is corroded.
The generation of stray current causes corrosion to the steel rail and metal components thereof, the corrosion generally occurs on the contact surface with other objects, the corrosion is difficult to be found from the outside, and the steel rail needs to be replaced when the corrosion is found, so that the damage is great.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a reinforcement polarization potential protection system based on path blocking so as to solve the problems in the background art.
The utility model adopts the following technical scheme:
the utility model provides a reinforcing bar polarization potential protection system based on route separation, includes rail, fastener subassembly, sleeper, dado board, bed course and basement, the dado board is inlayed and is established in the basement, the bed course is laid the dado board in between the basement, the rail with the sleeper sets up the top of dado board, the fastener subassembly sets up the top of sleeper, the longitudinal continuous parcel of rail one side rail web is to its opposite side rail web has insulating protection device, insulating protection device is followed rail length interval lays.
Preferably, the fastener assembly comprises an iron base plate, an elastic strip, a gauge block and an insulating sleeve, wherein the gauge block is buckled on the steel rail, the elastic strip is installed on the iron base plate and buckled on the gauge block, the insulating sleeve is arranged in the sleeper, an insulating plate is arranged at the bottom end of the iron base plate, and the iron base plate and the insulating plate are fixed on the insulating sleeve through screw spikes.
Preferably, the number of the cushion layers is at least one.
Preferably, the insulating sleeve adopts a double-layer structure, the insulating sleeve comprises an outer sleeve and an inner sleeve, and the outer sleeve is sleeved on the outer side of the inner sleeve.
Preferably, the insulating protection device and the insulating plate are made of a material having insulating properties, and have good antifouling properties.
Preferably, a sealing ring is arranged between the outer sleeve and the inner sleeve.
Compared with the prior art, the utility model has the beneficial effects that: the utility model adopts a multilayer insulation protection system, realizes the source control of stray current and the blocking of a propagation path, can greatly reduce the leakage quantity of the stray current, weakens the polarization effect on the steel bar, reduces the polarization potential of the steel bar, reduces the corrosion of the stray current on the steel rail and the metal components thereof, and effectively protects the steel bar, the steel rail and the metal components thereof.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an enlarged view at P of the present utility model.
Fig. 3 is a cross-sectional view of the present utility model.
Fig. 4 is a schematic structural diagram of an insulation protection device according to the present utility model.
Fig. 5 is a schematic view of an insulation sleeve according to the present utility model
In the figure: 1. a steel rail; 2. a fastener assembly; 201. an iron backing plate; 202. spring strips; 203. a gage block; 204. an insulating sleeve; 2041. an outer sleeve; 2042. an inner sleeve; 205. an insulating plate; 206. a screw spike; 3. sleeper; 4. a road bed board; 5. a substrate; 6. a cushion layer; 7. an insulation protection device.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and detailed description below:
in the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
As shown in fig. 1-5, a path blocking-based reinforcement polarization potential protection system comprises a steel rail 1, a fastener component 2, a sleeper 3, a ballast plate 4, a cushion 6 and a substrate 5, wherein the ballast plate 4 is embedded in the substrate 5, the cushion 6 is paved between the ballast plate 4 and the substrate 5, the steel rail 1 and the sleeper 3 are arranged at the top end of the ballast plate 4, the fastener component 2 is arranged at the top end of the sleeper 3, one side rail waist of the steel rail 1 is longitudinally and continuously wrapped to the other side rail waist of the steel rail 1, and an insulation protection device 7 is arranged at intervals along the length of the steel rail 1.
It is worth noting that, the insulating protection device 7 is adhered to the steel rail 1 through an adhesive, an insulating layer is formed between the steel rail 1 and the fastener component 2, physical isolation between the steel rail 1 and the fastener component 2 is achieved, physical isolation between the concrete track slab 4 and the substrate 5 is achieved through paving the cushion layer 6, the ground resistance of the track slab 4 is greatly improved through the use of high insulating materials, current in the track slab is further prevented from leaking into the substrate 5, stray current in the track slab 4 is more easily collected, and then the stray current is discharged to a substation through a reinforcing steel bar mesh.
Specifically, the fastener assembly 2 comprises an iron backing plate 201, a spring strip 202, a gauge block 203 and an insulating sleeve 204, wherein the gauge block 203 is buckled on the steel rail 1, the spring strip 202 is installed on the iron backing plate 201 and buckled on the gauge block 203, the insulating sleeve 204 is arranged in the sleeper 3, an insulating plate 205 is arranged at the bottom end of the iron backing plate 201, and the iron backing plate 201 and the insulating plate 205 are fixed on the insulating sleeve 204 through screw spikes 206. By providing insulation plates 205, the creepage distance of rail 1 to tie 3 and ballast bed 4 is increased, greatly increasing the surface resistance at the node of fastener assembly 2.
Further, the number of the cushion layers 6 is at least one, and when the cushion layers 6 adopt a single-layer structure, the cushion layers have high insulativity when certain elasticity of materials is ensured; the multi-layer structure can be composed of an insulating layer, a vibration reduction layer, a puncture-resistant layer and the like. The high insulation performance of the insulating layer material in the multilayer structure improves the resistance between the road bed board and the substrate; the vibration damping layer provides supporting and elastic functions, the puncture-resistant layer provides puncture-resistant and fatigue-resistant functions, and long service life of the product is guaranteed.
Specifically, the insulating protection device 7 and the insulating plate 205 are made of insulating materials, have good antifouling property, enhance the resistance between the steel rail 1 and the fastener assembly 2, and can effectively block the backflow in the steel rail 1.
Specifically, the insulating sleeve 204 adopts a double-layer structure, the insulating sleeve 204 includes an outer sleeve 2041 and an inner sleeve 2042, the outer sleeve 2041 is sleeved on the outer side of the inner sleeve 2042, and due to the use of the double-layer structure, the overall wall thickness of the insulating sleeve 204 is thicker than that of a common sleeve, the assembly resistance value of the sleeve is also larger, and the capability of the fastener assembly 2 for blocking stray current from flowing to the track bed board 4 can be improved.
It should be noted that the design method of "strong outside and weak inside" is described in the structural design of the insulating sleeve 204. When subjected to an external force, the failure mode is preset such that the inner sleeve 2042 breaks before the outer sleeve 2041. Through the design, the whole insulation performance of the insulation sleeve 204 is improved, and in the actual use process, when the inner sleeve 2042 is damaged in advance, the insulation sleeve 204 can be replaced by being unscrewed and screwed out relatively simply, so that the replacement difficulty of the insulation sleeve 204 is greatly reduced.
Specifically, a sealing ring is disposed between the outer sleeve 2041 and the inner sleeve 2042, so as to prevent water and dust.
Working principle: firstly, the rail web and the rail bottom surface of the steel rail 1 are wrapped, so that the steel rail 1 and the fastener component 2 have higher insulating performance so far, and the stray current flowing into the ground is reduced from the source; secondly, on the current conducting path, an insulating plate 205 with good insulating property is additionally arranged at the bottom end of the iron backing plate 201, so that physical isolation can be generated between the fastener component 2 and the sleeper 3, the creepage distance from the surface of the steel rail 1 to the surface of the sleeper 3 is increased, the surface resistance of the node of the whole fastener component 2 is greatly increased, the insulating sleeve 204 adopts a double-layer sleeve structure, the capability of the fastener component 2 for preventing stray current from flowing to the track bed plate 4 can be improved, the current leaked from the track bed plate 4 to the environment can be continuously blocked through the measures, multiple layers of barriers are formed on the conducting path, the stray current leaked from the track can be limited in the track bed plate 4 for conducting and collecting, the influence of the stray current on metal components around the track bed, particularly on the reinforcing steel bars of a tunnel main body is greatly reduced, the current density around the reinforcing steel bars is reduced, the polarization effect on the reinforcing steel bars and the steel rails and the metal components can be effectively protected.
It will be apparent to those skilled in the art from this disclosure that various other changes and modifications can be made which are within the scope of the utility model as defined in the appended claims.
Claims (6)
1. The utility model provides a reinforcing bar polarization potential protection system based on route separation, includes rail, fastener subassembly, sleeper, dao-board, bed course and basement, its characterized in that, the dao-board inlays and establishes in the basement, the bed course is laid the dao-board with between the basement, the rail with the sleeper sets up the top of dao-board, the fastener subassembly sets up the top of sleeper, the longitudinal continuous parcel of rail web of rail one side has insulating protection device to its opposite side web, insulating protection device is followed rail length interval lays.
2. The path blocking-based reinforcement polarization potential protection system according to claim 1, wherein the fastener assembly comprises an iron pad, a spring strip, a gauge block and an insulating sleeve, the gauge block is buckled on the steel rail, the spring strip is installed on the iron pad and buckled on the gauge block, the insulating sleeve is arranged in the sleeper, an insulating plate is arranged at the bottom end of the iron pad, and the iron pad and the insulating plate are fixed on the insulating sleeve through screw spikes.
3. The path blocking-based reinforcement bar polarization potential protection system of claim 1, wherein the number of the cushion layers is at least one.
4. The path blocking-based reinforcement polarization potential protection system according to claim 2, wherein the insulation sleeve adopts a double-layer structure, the insulation sleeve comprises an outer sleeve and an inner sleeve, and the outer sleeve is sleeved outside the inner sleeve.
5. The path blocking-based reinforcement polarization potential protection system of claim 2, wherein the insulation protection device and the insulation plate are made of a material having insulation properties.
6. The path blocking-based reinforcement bar polarization potential protection system of claim 4, wherein a sealing ring is provided between the outer sleeve and the inner sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321381593.1U CN220421430U (en) | 2023-06-01 | 2023-06-01 | Reinforcing steel bar polarization potential protection system based on path separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321381593.1U CN220421430U (en) | 2023-06-01 | 2023-06-01 | Reinforcing steel bar polarization potential protection system based on path separation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220421430U true CN220421430U (en) | 2024-01-30 |
Family
ID=89642660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321381593.1U Active CN220421430U (en) | 2023-06-01 | 2023-06-01 | Reinforcing steel bar polarization potential protection system based on path separation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220421430U (en) |
-
2023
- 2023-06-01 CN CN202321381593.1U patent/CN220421430U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |