Search

CN-224213049-U - High wear-resisting aluminum alloy section bar for rail transit

CN224213049UCN 224213049 UCN224213049 UCN 224213049UCN-224213049-U

Abstract

The utility model discloses a high wear-resistant aluminum alloy section for rail transit, which relates to the technical field of aluminum alloy sections, solves the problem that the wear-resistant effect is not ideal and is easy to damage due to long-term wear in the use process, and comprises an aluminum alloy section body, wherein the outer surface of the aluminum alloy section body is provided with a protective layer, the four corners of the left side of the aluminum alloy section body are provided with pin holes, the utility model can conveniently connect and fix rail joints by arranging the aluminum alloy section body, improve the stability of track seam crossing, through setting up guard plate, round pin piece and pinhole, can protect the corner of aluminum alloy section bar body, improve the wear resistance of aluminum alloy section bar body corner, avoid causing the aluminum alloy section bar body to damage because of wearing and tearing, improve the life of aluminum alloy section bar body, through setting up high temperature resistant layer and wearing layer, can protect the surface of aluminum alloy section bar body, further improve the wear resistance of aluminum alloy section bar body surface.

Inventors

  • HE XIAOYU
  • XU WEI

Assignees

  • 江阴协宏金属制品有限公司

Dates

Publication Date
20260508
Application Date
20250519

Claims (7)

  1. 1. The aluminum alloy section for high-wear-resistance rail transit comprises an aluminum alloy section body (1) and is characterized in that a protective layer (2) is arranged on the outer surface of the aluminum alloy section body (1), pin holes (3) are formed in four corners on the left side of the aluminum alloy section body (1), pin blocks (4) are inserted into the inner surfaces of the pin holes (3), protection plates (5) are fixedly connected to the left sides of the pin blocks (4), and limiting mechanisms (6) are arranged at the bottoms of the protection plates (5); The protective layer (2) comprises a high-temperature-resistant layer (201) and a wear-resistant layer (202), wherein the high-temperature-resistant layer (201) is arranged on the outer surface of the aluminum alloy profile body (1), and the wear-resistant layer (202) is arranged on the outer surface of the high-temperature-resistant layer (201).
  2. 2. The high wear-resisting aluminum alloy section bar for rail transit of claim 1, wherein the limiting mechanism (6) comprises four sleeves (601), the four sleeves (601) are fixedly installed at the front and rear positions of one sides of the two protection plates (5) respectively, a limiting rod (602) is movably connected to the inner surface of the sleeve (601), a pull block (603) is fixedly connected to one side of the limiting rod (602), a limiting hole (604) matched with the limiting rod (602) is formed in one side of the pin block (4), and the outer surface of the limiting rod (602) is spliced with the inner surface of the limiting hole (604).
  3. 3. The high-wear-resistance aluminum alloy section bar for rail transit as claimed in claim 2, wherein the outer surface of the limiting rod (602) is fixedly connected with a limiting ring (7), a ring groove (8) matched with the limiting ring (7) is formed in the inner cavity of the sleeve (601), and the outer surface of the limiting ring (7) is in sliding connection with the inner surface of the ring groove (8).
  4. 4. The high-wear-resistance aluminum alloy section bar for rail transit according to claim 3, wherein the outer surface of the limiting rod (602) is movably connected with a pressure spring (9), one end of the pressure spring (9) close to the limiting ring (7) is fixedly connected with the connecting part of the limiting ring (7), and one end of the pressure spring (9) far away from the limiting ring (7) is fixedly connected with the connecting part of the inner cavity of the ring groove (8).
  5. 5. The high-wear-resistance aluminum alloy section for rail transit of claim 1, wherein the surface of the aluminum alloy section body (1) is uniformly provided with mounting holes (10), and the number of the mounting holes (10) is three.
  6. 6. The high-wear-resistance aluminum alloy section bar for rail transit as claimed in claim 2, wherein a through hole is formed in one side of the inner cavity of the pin hole (3), and the outer surface of the limiting rod (602) is in sliding connection with the inner surface of the through hole.
  7. 7. The high wear-resistant aluminum alloy section for rail transit as set forth in claim 1, wherein the high temperature resistant layer (201) is a fluorocarbon resin coating, and the wear-resistant layer (202) is a polytetrafluoroethylene coating.

Description

High wear-resisting aluminum alloy section bar for rail transit Technical Field The utility model relates to the technical field of aluminum alloy sections, in particular to a high-wear-resistance aluminum alloy section for rail transit. Background The aluminum alloy section has wide application in the field of rail transit, mainly benefits from the characteristics of light weight, high strength, corrosion resistance, workability and the like, can be used for manufacturing rail beams, rail plates, rail joints and the like, has good corrosion resistance and wear resistance, and can improve the service life and the safety ‌ of rails, wherein the application of the rail joints is particularly wide, the integrity of rail joints can be improved, the aluminum alloy section for rail transit which is used at present still has defects in the actual use process although meeting the normal use requirement, for example, the aluminum alloy section for rail transit which is used at present is not ideal in wear resistance effect, is easy to damage due to long-term wear in the use process and has limited service life, and therefore, the aluminum alloy section for rail transit is proposed at present. Disclosure of Invention In order to solve the problem that the wear-resisting effect is not ideal and is easy to damage due to long-term wear in the use process, the utility model provides the high-wear-resisting aluminum alloy section for rail transit. The utility model provides a high wear-resistant aluminum alloy section for rail transit, which adopts the following technical scheme: The utility model provides a high wear-resisting aluminum alloy section bar for rail transit, includes the aluminum alloy section bar body, the surface of aluminum alloy section bar body is provided with the inoxidizing coating, the pinhole has all been seted up in the four corners of aluminum alloy section bar body left side, peg graft the internal surface of pinhole has the round pin piece, the left side fixedly connected with guard plate of round pin piece, the bottom of guard plate is provided with stop gear; The protective layer comprises a high temperature resistant layer and a wear-resistant layer, wherein the high temperature resistant layer is arranged on the outer surface of the aluminum alloy profile body, and the wear-resistant layer is arranged on the outer surface of the high temperature resistant layer. Through adopting above-mentioned technical scheme, can protect the corner of aluminum alloy section bar body, improve the wear resistance of aluminum alloy section bar body corner, avoid causing the aluminum alloy section bar body to damage because of wearing and tearing, improve the life of aluminum alloy section bar body, can also protect the surface of aluminum alloy section bar body, further improve the wear resistance on aluminum alloy section bar body surface, this aluminum alloy section bar body wear resistance is good, can not damage because of wearing and tearing for a long time, long service life. Optionally, stop gear includes four sleeves, four sleeve fixed mounting is in the front and back position of two guard plates one sides respectively, telescopic internal surface swing joint has the gag lever post, one side fixedly connected with pull block of gag lever post, the spacing hole that the cooperation gag lever post used has been seted up to one side of round pin piece, the surface and the internal surface grafting of spacing hole of gag lever post. Through adopting above-mentioned technical scheme, can install fixedly the guard plate, also be convenient for dismantle the change to the guard plate simultaneously. Optionally, the surface fixedly connected with spacing ring of gag lever post, telescopic inner chamber has seted up the circle groove that the cooperation spacing ring used, the surface and the internal surface sliding connection of circle groove of spacing ring. Through adopting above-mentioned technical scheme, can lead and spacing the removal of gag lever post. Optionally, the surface swing joint of gag lever post has the pressure spring, the one end that the pressure spring is close to the spacing ring and the junction fixed connection of spacing ring, the one end that the pressure spring was kept away from the spacing ring and the junction fixed connection of circle groove inner chamber. Through adopting above-mentioned technical scheme, can improve the connection compactness between gag lever post and the spacing hole. Optionally, the surface of aluminum alloy section bar body has evenly seted up the mounting hole, the quantity of mounting hole is three. Through adopting above-mentioned technical scheme, can install fixedly to the aluminum alloy section bar body. Optionally, a through hole is formed in one side of the pin hole inner cavity, and the outer surface of the limiting rod is slidably connected with the inner surface of the through hole. Through adopting above-mentioned technical scheme, the ga