CN114922012A - Crevice corrosion control system under railway steel rail fastener - Google Patents
Crevice corrosion control system under railway steel rail fastener Download PDFInfo
- Publication number
- CN114922012A CN114922012A CN202210554962.6A CN202210554962A CN114922012A CN 114922012 A CN114922012 A CN 114922012A CN 202210554962 A CN202210554962 A CN 202210554962A CN 114922012 A CN114922012 A CN 114922012A
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- Prior art keywords
- mounting box
- corrosion
- fastener
- railway
- discharge
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- Granted
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 66
- 230000007797 corrosion Effects 0.000 title claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 239000000945 filler Substances 0.000 claims abstract description 31
- 230000005764 inhibitory process Effects 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 230000002401 inhibitory effect Effects 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 11
- 239000007769 metal material Substances 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000005536 corrosion prevention Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241001669679 Eleotris Species 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/62—Rail fastenings incorporating resilient supports
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a system for controlling the corrosion of a lower gap of a railway steel rail fastener, which comprises: a railway rail having at least a pressure-set surface; the elastic fastener is elastically pressed on the pressing surface of the railway steel rail; the mounting box is mounted on the elastic fastener, an accommodating space is formed inside the mounting box, and a discharging opening is formed in the bottom of the mounting box; the corrosion inhibition filler is filled in the accommodating space; and the discharge control device is arranged at the discharge opening and is used for controlling the discharge amount of the corrosion inhibition filler. The invention can effectively control the corrosion degree of the gap under the railway steel rail fastener.
Description
Technical Field
The invention relates to the technical field of track corrosion prevention, in particular to a system for controlling corrosion of a lower gap of a railway steel rail fastener.
Background
The rail industry has developed rapidly worldwide, with the total mileage of high-speed rail in china reaching 40000 km by the end of 2021, followed by spain, germany, japan and france, which has become the most efficient transportation method. However, the rapid development of the railway industry makes the surface damage of the steel rail increasingly serious, and the problems of operation safety and service life are particularly important. With the increase of the speed increase, the load carrying capacity and the traffic flow of the train, the requirements on the durability and the reliability of the railway are more and more strict.
The fastening system for fixing the rail to the sleeper is required and mainly comprises elastic strips, screws, gauge blocks and crash pads. The pad serves to maintain the gauge and prevent lateral displacement of the rail, as a gasket between the resilient strip and the foot, and also forms a gap between the pad and the foot portion, which can easily cause crevice corrosion due to the accumulation of corrosive media, including chloride ions and microorganisms. The rail foot cross section is thinnest and is the only part that contacts and is fixed by the fastener system (the elastic strip provides clamping force), so severe crevice corrosion can cause the rail foot to be thin, and the serious hazard is realized in the long run, and how to effectively solve crevice corrosion at the base plate and the iron foot is of great significance.
Disclosure of Invention
The invention provides a corrosion control system for a lower gap of a railway steel rail fastener, which can effectively control the corrosion degree of the lower gap of the railway steel rail fastener.
In order to solve the above technical problems, the present invention provides a system for controlling corrosion of a lower gap of a railway rail fastener, comprising:
a railway rail having at least a pressure-set surface;
the elastic fastener is elastically pressed on the pressing surface of the railway steel rail;
the mounting box is mounted on the elastic fastener, an accommodating space is formed inside the mounting box, and a discharging opening is formed in the bottom of the mounting box;
the corrosion inhibition filler is filled in the accommodating space;
and the discharge control device is arranged at the discharge opening and is used for controlling the discharge amount of the corrosion inhibition filler.
Preferably, in the above-described aspect, the mounting box is detachably mounted to the elastic fastening member.
Preferably, in the above technical solution, the discharge control device includes a plugging member, the plugging member is plugged in the discharge opening, and the plugging member is provided with a capillary hole.
Preferably, the discharge control device comprises a thimble and a return spring, one end of the thimble is provided with a conical or circular head, the other end of the thimble is provided with a thimble cap, the return spring is sleeved on the thimble, the thimble and the return spring are located in the accommodating space, the return spring is connected with the inner wall of the mounting box, and the head extends into the discharge opening.
Preferably, the bottom of the mounting box is provided with a bayonet, and the bayonet is in clamping fit with the elastic fastener.
Preferably, the mounting box is further provided with a charging hole, and the charging hole is connected with a plugging bolt in a threaded manner.
Preferably, in the above technical solution, the mounting box is made of a non-metal material.
Preferably, in the above technical solution, the non-metallic material is PVC, PC, nylon, or the like.
As the optimization of the technical scheme, the corrosion inhibition filler is an environment-friendly corrosion inhibition material or an antirust material.
Preferably, in the above aspect, the mounting box is located above the pressing surface.
The invention provides a system for controlling the corrosion of a gap below a railway steel rail fastener, which comprises a railway steel rail, an elastic fastener, a mounting box, corrosion inhibition filler and a discharge control device, wherein the elastic fastener is arranged on the pressing surface of the railway steel rail in a pressing way, the mounting box is arranged on the elastic fastener, the inner wall of the mounting box is filled with the corrosion inhibition filler, the corrosion inhibition filler has an anti-corrosion effect, the discharge control device is arranged in a discharge opening, the corrosion inhibition filler can penetrate into the gap between the railway steel rail and the elastic fastener through the discharge control device, an anti-corrosion protective film can be formed on the surface of the railway steel rail, the corrosion caused by the influence of a damp environment in the use process is prevented, in the actual use process, the railway steel rail and the elastic fastener can vibrate in the running process of a train, so that the traditional anti-corrosion layer is easy to damage and cannot provide long-term anti-corrosion protection, in addition, the system for controlling the corrosion of the lower gap of the railway steel rail fastener has the characteristics of simple structure, good corrosion prevention effect, low cost and convenience in operation.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
FIG. 1 is a schematic view of a corrosion control system for a lower gap of a railway rail fastener according to an embodiment of the present invention;
FIG. 2 is a schematic view showing a mounting structure of the mounting box according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a mounting box according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a mounting box according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the discharge control apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic view showing the structure of a mounting box according to another embodiment of the present invention;
FIG. 7 is a schematic diagram showing the structure of an outfeed control device in another embodiment of the present invention;
in the figure: 10. mounting a box; 20. plugging the bolt; 30. a bayonet; 40. corrosion inhibition filler; 50. a discharge control device; 501. a thimble cap top; 502. a return spring; 503. a thimble; 504. a head portion; 505. capillary pores; 506. a plugging member; 100. a railway rail; 200. an elastic fastener.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: referring to fig. 1 to 5, an embodiment of the present invention provides an under-rail-clip crevice corrosion control system comprising:
a railway rail 100, the railway rail 100 having at least a pressed surface;
the elastic fastener 200, the elastic fastener 200 is elastically pressed on the pressing surface of the railway rail 100;
the mounting box 10 is mounted on the elastic fastener 200, an accommodating space is formed inside the mounting box 10, and a discharging opening is formed in the bottom of the mounting box 10;
the corrosion inhibition filler 40 is filled in the accommodating space;
and the discharging control device 50 is arranged at the discharging opening, and the discharging control device 50 is used for controlling the discharging amount of the corrosion inhibition filler 40.
The embodiment provides a system for controlling crevice corrosion under a railway rail fastener, which comprises a railway rail 100, an elastic fastener 200, a mounting box 10, a corrosion-inhibiting filler 40 and a discharge control device 50, wherein the elastic fastener 200 is arranged on the pressing surface of the railway rail 100 in a pressing manner, the mounting box 10 is mounted on the elastic fastener 200, the corrosion-inhibiting filler 40 is filled in the inner wall of the mounting box 10, the corrosion-inhibiting filler 40 has an anti-corrosion effect, the discharge control device 50 is arranged in a discharge opening, the corrosion-inhibiting filler 40 can penetrate into a gap between the railway rail 100 and the elastic fastener 200 through the discharge control device 50, an anti-corrosion protective film can be formed on the surface of the railway rail 100, corrosion caused by a damp environment in the using process can be prevented, in the actual using process, the railway rail 100 and the elastic fastener 200 can vibrate in the running process of a train, so that the traditional anti-corrosion layer can be easily damaged and cannot provide long-term anti-corrosion protection, and the crevice corrosion control system under the railway rail fastener of this embodiment can long-term control elasticity fastener 200 and railway rail 100 the corrosion prevention degree of gap before, provides long-term anticorrosion protection, and in addition, crevice corrosion control system under the railway rail fastener of this embodiment simple structure, it is effectual and with low costs to anticorrosive, and it still has convenient operation's characteristics in addition.
The mounting box 10 in this embodiment can adopt the crescent moon shape, and it can agree with more with elastic fastener 200's shape, in addition, install mounting box 10 at elastic fastener 200 it has better installation space and mounted position, and it can be favorable to the installation of mounting box 10 more, and it is more convenient to install.
In a further alternative embodiment of this embodiment, the mounting box 10 is removably mounted to the resilient clip 200.
In this embodiment, the mounting box 10 is detachably mounted on the elastic fastener 200, so that the mounting box 10 can be mounted and replaced more conveniently, and the mounting box 10 can be mounted on the existing railway track.
In a further implementation manner of this embodiment, the discharging control device 50 includes a blocking component 506, the blocking component 506 is blocked and disposed at the discharging opening, and the capillary 505 is disposed on the blocking component 506.
In this embodiment, the plugging member 506 is provided with a plurality of pores 505, which can allow the corrosion-inhibiting filler 40 to stably and slowly permeate into the surface of the railway rail 100 at a uniform rate, and further can stabilize the anti-corrosion protection film formed on the surface of the railway rail 100.
In a further embodiment of the present embodiment, the bottom of the mounting box 10 is provided with a bayonet 30, and the bayonet 30 is snap-fitted with the elastic fastener 200.
The bayonet 30 in this embodiment is snap-fitted with the elastic fastener 200, which can further facilitate the mounting and dismounting of the mounting box 10.
In a further embodiment of the present embodiment, the mounting box 10 is further provided with a charging hole, and the charging hole is screwed with a blocking bolt 20.
The charging hole in this embodiment can be used for charging the corrosion-inhibiting filler 40, and the corrosion-inhibiting filler 40 can be added through the charging hole when the amount of the corrosion-inhibiting filler is insufficient.
In a further implementation manner of this embodiment, the mounting box 10 is made of a non-metal material.
In a further implementation manner of this embodiment, the non-metallic material is PVC, PC or nylon.
The mounting box 10 in this embodiment is made of PVC, PC or nylon, which not only makes the overall structure more portable, but also has excellent aging resistance.
In a further possible embodiment of this embodiment, the corrosion inhibiting filler 40 is an environmentally friendly corrosion inhibiting material or an antirust material.
The corrosion inhibition filler 40 in this embodiment is an environment-friendly corrosion inhibition material or an antirust material, which not only has a better corrosion prevention effect, but also is more conveniently added, specifically, the antirust material in this embodiment may be antirust oil.
In a further possible embodiment of the present embodiment, the mounting box 10 is located above the pressing surface.
The mounting box 10 in this embodiment is located above the pressing surface, which can better protect the gap of the elastic fastener 200.
Example 2: referring to fig. 6 and 7, the present embodiment provides another embodiment of a system for controlling crevice corrosion under a railway rail fastener, which is different from embodiment 1 only in that the structure of the discharge control device 50 is different, the discharge control device 50 includes a thimble 503 and a return spring 502, one end of the thimble 503 is provided with a conical or circular head 504, the other end of the thimble 503 is provided with a thimble cap 501, the return spring 502 is sleeved on the thimble 503, the thimble 503 and the return spring 502 are located in the accommodating space, the return spring 502 is connected to the inner wall of the mounting box 10, and the head 504 extends into the discharge opening.
The head 504 in this embodiment is used to contact the surface of the railway rail 100, specifically, when a train or a motor car passes through the railway rail 100, the elastic fastener 200 may vibrate elastically, and in the vibration process, the head 504 may touch the surface of the railway rail 100 repeatedly, when the head 504 touches and stretches, the corrosion-inhibiting filler 40 may be discharged from the discharge opening, and in the vibration process, the head may repeatedly stretch and contract at a high frequency, which makes the discharge of the corrosion-inhibiting filler 40 stable and smooth, and does not cause a jam, in addition, because the vibration of the elastic fastener 200 may make the distribution of the corrosion-inhibiting filler 40 inside the mounting box 10 more uniform, which may be more beneficial to the discharge of the corrosion-inhibiting filler 40, in addition, the discharge control device 50 in this embodiment does not need to additionally provide an opening structure, and is in a closed state when no train passes through, and the train is opened to discharge when passing, so that the corrosion-proof effect is ensured, the excessive discharge of the corrosion-proof filler 40 is avoided, the waste is avoided, and the frequent addition of the corrosion-proof filler 40 can be prevented.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A system for controlling crevice corrosion under a railway rail fastener, comprising:
a railroad rail having at least a pressure-set surface;
the elastic fastener is elastically pressed on the pressing surface of the railway steel rail;
the mounting box is mounted on the elastic fastener, an accommodating space is formed inside the mounting box, and a discharge opening is formed in the bottom of the mounting box;
the corrosion inhibition filler is filled in the accommodating space;
and the discharge control device is arranged at the discharge opening and is used for controlling the discharge amount of the corrosion inhibition filler.
2. The railroad rail fastener lower crevice corrosion control system according to claim 1, wherein said mounting box is removably mounted to said resilient fastener.
3. The system of claim 1, wherein the discharge control device comprises a plug member, the plug member is disposed at the discharge opening, and the plug member is provided with capillary holes.
4. The system according to claim 1, wherein the discharge control device comprises an ejector pin and a return spring, one end of the ejector pin is provided with a conical or circular head, the other end of the ejector pin is provided with an ejector pin cap, the return spring is sleeved on the ejector pin, the ejector pin and the return spring are located in the accommodating space, the return spring is connected with the inner wall of the mounting box, and the head extends into the discharge opening.
5. The system of claim 2, wherein the mounting box has a bayonet at a bottom thereof, the bayonet being snap-fitted to the resilient clip.
6. The system of claim 1, wherein the mounting box further includes a loading hole, and the loading hole is threadedly engaged with a sealing bolt.
7. The system of claim 1, wherein the mounting box is non-metallic.
8. The system of claim 7, wherein the non-metallic material is PVC, PC or nylon.
9. The system of claim 1, wherein the corrosion inhibiting filler is an environmentally friendly corrosion inhibiting material or an anti-corrosive material.
10. The railroad rail fastener lower crevice corrosion control system of claim 1, wherein the mounting box is located above the mounting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210554962.6A CN114922012B (en) | 2022-05-20 | 2022-05-20 | Lower gap corrosion control system of railway rail fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210554962.6A CN114922012B (en) | 2022-05-20 | 2022-05-20 | Lower gap corrosion control system of railway rail fastener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114922012A true CN114922012A (en) | 2022-08-19 |
| CN114922012B CN114922012B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210554962.6A Active CN114922012B (en) | 2022-05-20 | 2022-05-20 | Lower gap corrosion control system of railway rail fastener |
Country Status (1)
| Country | Link |
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| CN (1) | CN114922012B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060151057A1 (en) * | 2005-01-13 | 2006-07-13 | Roger Sweningson | Erosion control device |
| CN208098462U (en) * | 2018-03-05 | 2018-11-16 | 四川鑫鼎新材料有限公司 | Rail anti-corrosion coating unit |
| CN210618914U (en) * | 2019-06-13 | 2020-05-26 | 武汉汉唐智能工业技术有限公司 | Automatic feed supplement case |
| CN113155253A (en) * | 2021-03-18 | 2021-07-23 | 苏州玛瑞柯测试科技有限公司 | Accurate quantitative spiral powder material feeding device |
| CN213825469U (en) * | 2020-11-27 | 2021-07-30 | 浙江宝晟铁路新材料科技有限公司 | Rail web and fastener anticorrosive material coating device |
-
2022
- 2022-05-20 CN CN202210554962.6A patent/CN114922012B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060151057A1 (en) * | 2005-01-13 | 2006-07-13 | Roger Sweningson | Erosion control device |
| CN208098462U (en) * | 2018-03-05 | 2018-11-16 | 四川鑫鼎新材料有限公司 | Rail anti-corrosion coating unit |
| CN210618914U (en) * | 2019-06-13 | 2020-05-26 | 武汉汉唐智能工业技术有限公司 | Automatic feed supplement case |
| CN213825469U (en) * | 2020-11-27 | 2021-07-30 | 浙江宝晟铁路新材料科技有限公司 | Rail web and fastener anticorrosive material coating device |
| CN113155253A (en) * | 2021-03-18 | 2021-07-23 | 苏州玛瑞柯测试科技有限公司 | Accurate quantitative spiral powder material feeding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114922012B (en) | 2023-11-03 |
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