CN202298369U - Sun-protection expansion-reduction steel rail - Google Patents
Sun-protection expansion-reduction steel rail Download PDFInfo
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- CN202298369U CN202298369U CN201120100806XU CN201120100806U CN202298369U CN 202298369 U CN202298369 U CN 202298369U CN 201120100806X U CN201120100806X U CN 201120100806XU CN 201120100806 U CN201120100806 U CN 201120100806U CN 202298369 U CN202298369 U CN 202298369U
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- rail
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- proof
- cladding layer
- laser cladding
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Abstract
The utility model relates to the field of land transportation and specifically relates to a sun-protection expansion-reduction steel rail. The sun-protection expansion-reduction steel rail comprises a rail head (1), a rail jaw (2), a rail waist (3), a rail bottom (4), a steel rail surface (5), a laser cladding layer (6) and a protection layer (7), and is characterized in that the laser cladding layer (6) is arranged on the upper surface of the steal rail surface (5) and the surface of the rail jaw, and the protection layer (7) is arranged on the remaining surface of the steel rail except the laser cladding layer. The laser cladding layer has wear resistance, heat insulation, electric conduction and the effects of improving the hardness of the rail surface and prolonging the service life of the steel rail; and the protection layer has the effects of sun protection and heat insulation or intelligent temperature regulation, and can reduce the temperature of the rail in summer, avoid the expansion of the rail and a runway, improve the safety in operation of a train and realize high economic effects and social effects.
Description
Technical field
The utility model relates to the land route transport field, is specifically related to rail surface cooling technical field.
Background technology
Under environment temperature constantly changed, railway transportation was constantly developing towards the direction of high speed, heavy duty.Meanwhile, requisite quality problem and hot rail in summer after the original rail load-carrying safety problems such as rail, distortion and even runway that expand appear easily.If effectively do not address these problems, will exist the potential safety hazard of serious threat railways train operation at any time.For the temperature (rail temperature) that reduces rail, existing technology is on online railway, to have designed the long rail falling temperature technique of a kind of liquid carbon dioxide device (CN03216211.1) and rail rapid cooler (CN97245245.1).Though they can reduce the rail temperature in the short period of time, however can not be from long-term reduction rail temperature under the natural environment temperature.
Summary of the invention
The purpose of the utility model is in order to solve the deficiency that above-mentioned technology exists, to provide a kind of and can for a long time sun-proofly subtract bloated rail at ambient temperature.
The purpose of the utility model realizes through following technical proposals: sun-proofly subtracting bloated rail, is the laser cladding layer structure of preparation conductive heat insulation on the rail head of rail surface, again the protective layer structure of preparation heat insulating and corrosion on the remaining surface of rail.
The concrete technical scheme that realizes the utility model is: the bed of material that mixes that coheres one deck alloy powder and ceramic powders earlier on the surface of rail head of rail with adhesive; Again cohere one deck alloy powder layer on this mixing bed of material or cohere one deck alloy powder and minute quantity the Nano compound powder mix the bed of material after; With the laser radiation fusion on the laser car, form laser cladding layer; Perhaps form one deck with the laser automatic powder feeding system at rail head surface earlier and contain alloy powder and the mixed laser cladding layer of oxide ceramic powder; Again the Nano compound powder that coheres one deck alloy powder and minute quantity on this cladding layer with adhesive mix the bed of material after; Use the laser radiation fusion, form laser cladding layer; Perhaps earlier contain the laser cladding layer of alloyed powder and Nano compound powder mixture at rail head surface cladding one deck, weld one deck stainless steel band at rail head surface again with the laser automatic powder feeding system.Then, the protective layer structure of preparation heat insulating and corrosion on the rail surface except that laser cladding layer.This protective layer structure is heat shield or thermal isolation film or intelligent cooling film or sun-proof pad pasting or the nano spray plating layer that coheres or paste.
The described sun-proof bloated rail that subtracts; Form by rail head (1), rail Hubei Province (2), the web of the rail (3), the flange of rail (4), rail surface (5) and laser cladding layer (6), topping (7) generally; It is characterized in that: laser cladding layer (6) is located on the surface in upper surface and rail Hubei Province on rail surface (5), and topping (7) is located at except that laser cladding layer (6) on remaining rail surface (5).
The advantage of the utility model is:
1. the rail electric conductivity of laser cladding layer or stainless steel band is strong, has guaranteed the operate as normal of rail track electrically conductive signal system;
2. the melting welding structure of rail head surface makes rail wear-resisting, has prolonged the application life of rail;
3. have sun-proof, the heat insulation and heat control of rail of cladding layer structure and protective layer structure, reduced the thermal stresses on the rail section, improved the safety of rail track up train;
4. the rail of said structure avoided exposing expose to the weather with the moist environment that drenches with rain under the consequence of oxidation and rusting, improved the antiseptic property of rail, the operation cost of having practiced thrift rail track.
Provide Figure of description below and the sun-proof rail that expands that subtracts of the utility model is carried out the component explanation.
Description of drawings
Fig. 1: the sun-proof rail cross sectional representation that expands that subtracts that comprises laser cladding layer and sun-proof pad pasting.
Fig. 2: the sun-proof rail cross sectional representation that expands that subtracts that comprises laser cladding layer and intelligent temperature control film.
Fig. 3: the sun-proof rail cross sectional representation that expands that subtracts that comprises laser cladding layer and intelligent temperature control sheet or intelligent temperature control plate.
Fig. 4: the sun-proof rail cross sectional representation that expands that subtracts that comprises stainless steel band and intelligent temperature control sheet or intelligent temperature control plate.
Fig. 5: the sun-proof rail cross sectional representation that expands that subtracts that comprises laser cladding layer and sun-proof heat shield or sun-proof insulating board.
Fig. 6: the sun-proof rail cross sectional representation that expands that subtracts that comprises laser cladding layer and heat shield or insulating board.
Fig. 7: the sun-proof rail cross sectional representation that expands that subtracts that comprises laser cladding layer and double thermal insulation sheet or double layer insulating board.
Fig. 8: the sun-proof rail cross-sectional view that expands that subtracts that comprises stainless steel band and heat shield or insulating board.
Fig. 9: the sun-proof rail cross sectional representation that expands that subtracts that comprises laser cladding layer and nano mirror spray coating layer.
Figure 10: the sun-proof rail cross sectional representation that expands that subtracts that comprises stainless steel band and Nano Silver face deposited metal.
With reference to Figure of description and combine embodiment, the specific embodiment of the utility model is done further explain below, but that the protection domain of the utility model does not receive is following only as the restriction of illustrative embodiment.
The utility model provides, and sun-proof to subtract the rail that expands as shown in Figure 1.Rail is made up of rail head (1), rail Hubei Province (2), the web of the rail (3), the flange of rail (4) and rail surface (5).After process rust cleaning, dedusting and surfacings such as cleaning, drying; On the upper surface on rail surface (5) and the surface of rail Hubei Province (2);, cohere the bed of material that mixes of one deck alloy powder and ceramic powders earlier with adhesive here just and the surface of described in this article rail head (1), again the Nano compound powder that coheres one deck alloy powder and minute quantity on this mixing bed of material mix the bed of material after; With the laser radiation fusion on the mobile laser device, form laser cladding layer (6).Again on remaining rail surface (5); Paste upward sun-proof pad pasting (7) through cementing agent or bonding adhesive; Or directly with the glue surface plaster of diaphragm to rail surperficial (5), sun-proof pad pasting is that topping (7) can be a kind of in thermal isolation pad pasting, glass heat-proof film, thermal radiation resistant film, the sun-proof thermal isolation film.
As shown in Figure 2; Through rust cleaning, dedusting with on surface-treated rail such as dry; Earlier with surface cladding one deck alloy powder and the oxide ceramic powder mixed cladding layer of laser automatic powder feeding system at rail head (1); Again the Nano compound powder that coheres one deck alloy powder and minute quantity on this cladding layer with adhesive mix the bed of material after, use the laser radiation fusion, form laser cladding layer (6).On remaining rail surface (5), paste upward intelligent temperature control film (7), i.e. topping (7) again through bonding adhesive.This film is a kind of vanadium dioxide solar heat intelligent temperature control polymer film, has intelligent temperature control effect, can the outer rail temperature of conditioning chamber.
As shown in Figure 3, the matrix of rail is made up of rail head (1), rail Hubei Province (2), the web of the rail (3), the flange of rail (4) and rail surface (5).On through surface-treated rail such as rust cleaning, dedusting and dryings; Earlier with surface cladding one deck alloy powder and the Nano compound powder even mixed cladding layer of laser automatic powder feeding system at rail head (1); On this cladding layer, cohere one deck alloy powder again; Use the laser radiation fusion, form laser cladding layer (6).On remaining rail surface (5), paste upward intelligent temperature control sheet (plate) (7), i.e. topping (7) again through cementing agent.This intelligent temperature control sheet (plate) can be a kind of vanadium dioxide solar heat intelligent temperature control macromolecule sheet (plate) material, has the rail of making cooling in summer, the intelligent temperature control characteristic that heat up winter.Certainly, this intelligent temperature control sheet (plate) also can reach the thermoregulation effect of " cool in summer and warm in winter " by the reversible temperature induced color changing material preparation of normal temperature equally.
The sun-proof rail structure that expands that subtracts that Fig. 4 shows; Be on surface-treated rail such as process rust cleaning, dedusting and drying; Earlier with surface cladding one deck alloy powder and the oxide ceramic powder even mixed laser cladding layer (6) of laser automatic powder feeding system at rail head (1); Again in the 0.30～0.40WH scope of the centre of surface both sides of rail head (1); With welding equipment and welding procedures such as plasma surfacing or device of arc and welding guns, and alloy electrode or alloy welding wire etc., the wide stainless steel band (8) of welding one deck 5～20mm.On remaining rail surface (5), paste upward like embodiment 3 described intelligent temperature control sheets (plate) (7), i.e. topping (7) again through bonding adhesive or cementing agent.
In Fig. 5; Earlier with rail eliminate rust, the surfacing of dedusting and drying etc.; Again on the surface of rail head (1), cohere the bed of material that mixes of one deck alloy powder and ceramic powders with adhesive, on this mixing bed of material, cohere the alloy powder that one deck contains the nano-oxide ceramic powders of minute quantity then; Use the laser radiation fusion, form laser cladding layer (6).Again on remaining rail surface (5); Paste upward sun-proof heat shield (plate) (7) through cementing agent or bonding adhesive; This sun-proof heat shield (plate) can be VIP insulation sheet (plate), Thermal Insulating Ceramic Fibers sheet (plate), thermal isolation sheet (plate), the heat insulation thin plate of flexiplast etc., and they all are the toppings (7) on protection rail surface.Here reaching " sheet (plate) " described in this paper is " sheet " or " plate ".
Described successively laser cladding layer (6) was mentioned in the purpose of the utility model in embodiment 1,2,3,4,5, and it is functional material structure, and promptly laser cladding layer (6) is the laser cladding layer of conductive heat insulation.Equally, the topping (7) in embodiment 1,2,3,4,5 on the said successively rail surface (5) is sun-proof pad pasting, vanadium dioxide solar heat intelligent temperature control high-polymer membrane, intelligent temperature control sheet, intelligent temperature control plate, sun-proof heat shield, a kind of in the sun-proof insulating board.
As shown in Figure 6; On through surface-treated rail such as rust cleaning, dedusting and dryings; Earlier contain alloy powder at surface cladding one deck of rail head (1) and comprise also even mixed cladding layer of covering property oxide (for example nickel bag nano-oxide or nickel bag oxide) powder and Nano compound powder with containing with the laser automatic powder feeding system; On this cladding layer, cohere the mixed-powder layer of the nano ceramic powder of one deck alloy powder and minute quantity again, use the laser radiation fusion, form laser cladding layer (6).On remaining rail surface (5), paste the heat shield (plate) (7) that has heat insulation and dissipation paint coatings (9) through cementing agent or bonding adhesive again.This heat shield (plate) itself is a doubling plate, and the internal layer that sticks on the rail surface promptly is embodiment 5 described heat shields (plate) (7), and its skin is to be coated in the heat insulation and heat control coating on this heat shield (plate) or to reflect heat radiation coating etc.This heat shield (plate) (7) can be the flexible sheets (plate) that can curl, also can be hard sheet (plate), for hard sheet (plate), can paste through the method for piecing together on the rail surface, forms the topping (7) on protection rail surface.
It is thus clear that the topping (7) on the surface of rail described in the embodiment 6 (5) is the sun-proof insulating board (7) that has the sun-proof heat shield (7) of heat insulation and dissipation paint coatings (9) or have heat insulation and dissipation paint coatings (9).
In Fig. 7, subtract expand rail structure and operating procedure by embodiment 6 sun-proof fully, through the processing on rail surface, and at the surface preparation laser cladding layer (6) of rail head (1).Then; The place that is different from embodiment 6; Be on remaining rail surface (5), paste through cementing agent or bonding adhesive and go up the double thermal insulation sheet (plate) (7) that coating (brushing or spraying) has intelligent temperature control coating (for example vanadium dioxide solar heat intelligent temperature control coating, the reversible temperature induced color changing coating of normal temperature etc.) layer (10) and the heat insulation and dissipation layer is arranged.The one side that is heat shield (plate) (7) sticks on the rail surface, and has (heat shield (plate) (7)) another side of intelligent temperature control dope layer, all directions outside family (chamber) then, and heat shield (plate) (7) remains the topping (7) on protection rail surface.
That is to say; Topping (7) on the wherein said rail surface (5) is to have intelligent temperature control paint coatings (10) and have the double thermal insulation sheet (7) of heat insulation and dissipation coating or have intelligent temperature control paint coatings (10) and have the double layer insulating board (7) of heat insulation and dissipation coating.
As shown in Figure 8; The structure of the laser cladding layer (6) on rail head (1) surface and the welding portion of stainless steel band (8); Accomplish according to operating procedure and the technology of embodiment 4 fully: on through surface-treated rail such as rust cleaning, dedusting and dryings; Contain alloy powder and oxide ceramic powder and even mixed laser cladding layer (6) with the laser automatic powder feeding system at surface cladding one deck of rail head (1) earlier; In the 0.30～0.40WH scope of the centre of surface both sides of rail head (1),, weld the wide stainless steel band (8) of one deck 5～20mm again with welding equipment and welding procedure and alloy electrode or alloy welding wires etc. such as plasma surfacing or device of arc and welding guns.On the surface of the rail except laser cladding layer and stainless steel band (5); Then accomplish with technology fully: paste and go up and apply the double thermal insulation sheet (plate) (7) that (spraying or brush) has intelligent temperature control coating (for example vanadium dioxide solar heat intelligent temperature control coating, the reversible temperature induced color changing coating of normal temperature etc.) layer (10) and the heat insulation and dissipation layer is arranged through cementing agent or bonding adhesive according to the operating procedure of embodiment 7.The one side that is heat shield (plate) (7) sticks on the rail surface, and has the another side of the heat shield (plate) (7) of intelligent temperature control dope layer, then all directions outside family (chamber).
At will need a bit being of explanation once more: the surface of said laser cladding layer (6) is provided with stainless steel band (8).This also is sun-proof one of the characteristic of rail that expands that subtracts.
On through surface-treated rail such as rust cleaning, dedusting and dryings, as shown in Figure 9, according to operating procedure and the operating procedure of embodiment 1 or embodiment 3, accomplish the laser melting coating work of the lip-deep laser cladding layer of rail head (1) (6) fully.Removing on the rail surface (5) of laser cladding layer (6) again; Utilize nano spray plating equipment and device etc. and nano spray plating technology and technology: spraying priming paint (corrosion resistant coating or epoxy resin coating etc.) → spray the color coating apparatus spraying of sun-proof insulating moulding coating → spraying (epoxy resin coating, fluorine charcoal resin emulsion paint etc.) priming paint → oven dry → environment-protection nano conversion zone → spray paint → oven dry forms nano mirror spray coating layer (7).This nano mirror spray coating layer (7) is the surperficial topping (7) of protection rail.
Shown in figure 10, on through surface-treated rail such as rust cleaning, dedusting and dryings, according to operating procedure and the operating procedure of embodiment 4 or embodiment 8, accomplish the work of lip-deep laser cladding layer of rail head (1) (6) and soldering stainless steel belt (8) fully.On laser cladding layer (6) and the rail the stainless steel belt (8) surface (5), utilize nano spray plating machine and technical matters thereof to carry out again: anticorrosion with painting priming paint (routine epoxy resin or fluorine charcoal resin emulsion paint or zinc paint etc.) → spray sun-proof heat radiation coating → spraying priming paint (routine epoxy resin coating or fluorine charcoal resin emulsion paint etc.) → sensitization, activation processing → spray gun sprays reduction reaction → setting and develops → dry up → drying.The final Nano Silver face deposited metal (7) that forms.This Nano Silver face deposited metal (7) is the surperficial topping (7) of protection rail.
Obviously, the topping (7) on the surface of rail described in the embodiment 9 (5) is the nano mirror spray coating layer; Topping (7) on the surface of rail described in the embodiment 10 (5) is a Nano Silver face deposited metal.Integrate, the topping (7) on the said rail surface (5) is nano mirror spray coating layer or Nano Silver face deposited metal.
Claims (7)
1. one kind sun-proofly subtracts bloated rail; Form by rail head (1), rail Hubei Province (2), the web of the rail (3), the flange of rail (4), rail surface (5) and laser cladding layer (6), topping (7); It is characterized in that: laser cladding layer (6) is located on the surface in upper surface and rail Hubei Province on rail surface (5), and topping (7) is located at except that laser cladding layer (6) on remaining rail surface (5).
2. the sun-proof bloated rail that subtracts according to claim 1 is characterized in that: the topping (7) on the rail surface (5) is sun-proof pad pasting, vanadium dioxide solar heat intelligent temperature control high-polymer membrane; The intelligent temperature control sheet; The intelligent temperature control plate, sun-proof heat shield, a kind of in the sun-proof insulating board.
3. the sun-proof bloated rail that subtracts according to claim 1, it is characterized in that: laser cladding layer (6) is the laser cladding layer of conductive heat insulation.
4. the sun-proof bloated rail that subtracts according to claim 1, it is characterized in that: the surface of laser cladding layer (6) is provided with stainless steel band (8).
5. the sun-proof bloated rail that subtracts according to claim 1; It is characterized in that: the topping (7) on rail surface (5) is to have intelligent temperature control paint coatings (10) and have the double thermal insulation sheet (7) of heat insulation and dissipation coating or have intelligent temperature control paint coatings (10) and have the double layer insulating board (7) of heat insulation and dissipation coating.
6. according to claim 1, the 2 described sun-proof bloated rail that subtract; It is characterized in that: the topping (7) on the rail surface (5) is the sun-proof insulating board (7) that has the sun-proof heat shield (7) of heat insulation and dissipation paint coatings (9) or have heat insulation and dissipation paint coatings (9).
7. the sun-proof bloated rail that subtracts according to claim 1 is characterized in that: the topping (7) on the rail surface (5) is nano mirror spray coating layer or Nano Silver face deposited metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120100806XU CN202298369U (en) | 2011-03-30 | 2011-03-30 | Sun-protection expansion-reduction steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120100806XU CN202298369U (en) | 2011-03-30 | 2011-03-30 | Sun-protection expansion-reduction steel rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202298369U true CN202298369U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120100806XU Expired - Fee Related CN202298369U (en) | 2011-03-30 | 2011-03-30 | Sun-protection expansion-reduction steel rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202298369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012698A (en) * | 2016-06-28 | 2016-10-12 | 中铁七局集团第工程有限公司 | Steel rail insulation protector and application thereof |
| WO2018133704A1 (en) * | 2017-01-23 | 2018-07-26 | 上海工程技术大学 | Steel rail insulated by nano ceramic coating |
-
2011
- 2011-03-30 CN CN201120100806XU patent/CN202298369U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012698A (en) * | 2016-06-28 | 2016-10-12 | 中铁七局集团第工程有限公司 | Steel rail insulation protector and application thereof |
| WO2018133704A1 (en) * | 2017-01-23 | 2018-07-26 | 上海工程技术大学 | Steel rail insulated by nano ceramic coating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20160330 |