WO2014112471A1 - Plaque de glissement et plaque de plancher pour aiguillage - Google Patents

Plaque de glissement et plaque de plancher pour aiguillage Download PDF

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Publication number
WO2014112471A1
WO2014112471A1 PCT/JP2014/050443 JP2014050443W WO2014112471A1 WO 2014112471 A1 WO2014112471 A1 WO 2014112471A1 JP 2014050443 W JP2014050443 W JP 2014050443W WO 2014112471 A1 WO2014112471 A1 WO 2014112471A1
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WO
WIPO (PCT)
Prior art keywords
sliding plate
metal
metal powder
sintered layer
plate
Prior art date
Application number
PCT/JP2014/050443
Other languages
English (en)
Japanese (ja)
Inventor
勇一 勝又
平山　真樹
Original Assignee
オイレス工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by オイレス工業株式会社 filed Critical オイレス工業株式会社
Priority to US14/760,535 priority Critical patent/US20150354145A1/en
Priority to EP14741082.3A priority patent/EP2946855A4/fr
Priority to CN201480004338.2A priority patent/CN104994977A/zh
Priority to KR1020157020884A priority patent/KR20150107771A/ko
Publication of WO2014112471A1 publication Critical patent/WO2014112471A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/26—Lubricating of switches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
    • B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/041—Mixtures of base-materials and additives the additives being macromolecular compounds only
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/02—Tongues; Associated constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy

Definitions

  • the present invention relates to a sliding plate, and more particularly, to a sliding plate suitable for sliding support of a tongrel and a self-lubricating type branching floor plate using the sliding plate.
  • Patent Document 1 discloses a floor board for a branching device that can maintain a stable sliding performance over a long period of time, thereby reducing the frequency of maintenance and inspection work.
  • the floor plate for a branching device includes a substrate for mounting and fixing the basic rail, and a sliding plate that is fixed to the substrate and is slidably supported by mounting the tongrel.
  • the sliding plate includes a backing material, which is a steel plate having an upper surface on which a plurality of uneven portions are formed, and a metal powder sintered layer formed on the upper surface of the backing material.
  • the metal powder sintered layer is formed on the upper surface of the backing material as follows. That is, the sintering alloy powder is spread on the upper surface of the backing material, sintered, and then rolled. After that, a lubricating resin having excellent weather resistance such as PTFE (polytetrafluoroethylene), PFA (perfluoroalkoxyalkane), PAI (polyamideimide), PI (polyimide) is heated and melted to form a sintered metal powder layer. Melt.
  • the metal powder sintered layer formed on the convex portion on the upper surface of the back material is compressed at a high pressure, so that the sintered density is high and the impact resistance, load resistance, and wear resistance are excellent.
  • the metal powder sintered layer formed on the concave portion on the upper surface of the back material is compressed at a lower pressure than the metal powder sintered layer on the convex portion. The rate is high and the lubricity is excellent.
  • a striped steel plate is usually used as the backing material of the sliding plate.
  • Striped steel sheets are sold by several manufacturers, but the striped steel sheets are available in a few thickness types. For this reason, when producing a sliding plate, it is often difficult to procure a striped steel plate having a thickness corresponding to the thickness of the sliding plate to be produced from the ready-made striped steel plates. It is necessary to adjust the thickness side of the sintered metal powder layer according to the thickness of the sliding plate. Therefore, it is necessary to change the sintering conditions, rolling conditions and the like for each thickness of the sliding plate to be manufactured, and there is a problem that the management of the thickness of the sliding plate becomes complicated.
  • the present invention has been made in view of the above circumstances, and an object thereof is to provide a sliding plate whose thickness and performance can be easily adjusted, and a floor plate for a branching device using the sliding plate.
  • a metal plate having a mesh structure such as punched metal or expanded metal on a backing material such as a steel plate or a metal plate having irregularities formed on the surface is used as a reinforcing member.
  • the metal powder sintered layer was formed by spraying the alloy powder for sintering from above and sintering and rolling. Thereafter, the metal powder sintered layer was impregnated with at least one of a lubricating resin and a lubricating oil.
  • the sliding plate of the present invention is Back material, A reinforcing member that is disposed on one surface of the backing material and forms irregularities on the one surface; A metal powder sintered layer formed so as to cover at least a recess formed on one surface of the back material by the reinforcing member and impregnated with at least one of a lubricating resin and a lubricating oil. .
  • the floor board for a branching device of the present invention is A substrate for mounting and fixing the basic rail on one side; And the above-described sliding plate for slidably supporting the Tongrel on one surface side of the basic rail.
  • the metal powder sintered layer covering at least the concave and convex portions formed on the upper surface of the backing material by the reinforcing member is formed on the upper surface side of the backing material on which the reinforcing member is disposed.
  • this metal powder sintered layer is compressed at a high pressure, so that the sintered density is high and the impact resistance, load resistance, and wear resistance are excellent.
  • a sliding plate having various thicknesses without changing the thickness of the metal powder sintered layer can be obtained by using a steel plate or the like having ready-made products having various thicknesses compared to the striped steel plate. Since it was feasible, the thickness of the sliding plate can be easily adjusted.
  • the shape and arrangement pattern of the mesh holes can be easily changed by using a metal plate having a mesh structure such as punching metal or expanded metal as the reinforcing member, the metal powder It becomes possible to flexibly change the ratio between the high sintered density portion and the low sintered density portion of the sintered layer, and the performance of the sliding plate can be easily adjusted.
  • FIG. 1 (A) is a front view of a branch board 1 according to an embodiment of the present invention
  • FIG. 1 (B) is a top view of the branch board 1 according to an embodiment of the present invention.
  • 2A is a top view of the sliding plate 3
  • FIG. 2B is a cross-sectional view taken along the line AA of the sliding plate 3 shown in FIG. 2A.
  • FIG. 1 (A) is a front view of a branch board 1 according to the present embodiment
  • FIG. 1 (B) is a top view of the branch board 1 according to the present embodiment.
  • these drawings are indicated by dotted lines so that the arrangement of the basic rail 4, the tongrel 5 and the rail press 6 on the branching device floor board 1 can be easily grasped.
  • the branching device floor board 1 according to the present embodiment is used as a self-lubricating type floor board at the installation point of a branching machine on a railway track.
  • the branching device floor plate 1 according to the present embodiment is fixed on a substrate 2 for mounting and fixing the basic rail 4 on one surface (upper surface) 20, and on the upper surface 20 of the substrate 2, And a sliding plate 3 for slidably mounting and supporting the Tongrel 5 on the upper surface 20 side of the substrate 2.
  • a basic rail fixing groove 24 and a sliding plate fixing groove 25 On the upper surface 20 of the substrate 2, two grooves (a basic rail fixing groove 24 and a sliding plate fixing groove 25) extending from one side surface 22 along the longitudinal direction L to the other side surface 23 are formed in parallel.
  • the basic rail fixing groove 24 accommodates the bottom 41 of the basic rail 4.
  • the sliding plate fixing groove 25 accommodates the sliding plate 3 so that the upper surface 30 of the sliding plate 3 is exposed from the upper surface 20 of the substrate 2.
  • one side 22 of the substrate 2 is opposite to the other side 23 on the side opposite to the side on which the sliding plate fixing groove 25 is formed with respect to the basic rail fixing groove 24.
  • a rail press fixing groove 26 is formed obliquely with respect to the basic rail fixing groove 24.
  • a bolt support hole 27 that penetrates the upper surface 20 and the other surface (lower surface) 21 of the substrate 2 is formed in the substrate 2. The rail press 6 is brought into contact with the bottom 41 of the basic rail 4 placed on the bottom surface 242 of the basic rail fixing groove 24 from the side opposite to the side on which the tongue rail 5 is placed.
  • the rail press 6 is rail pressed in the direction D in which the distance between the rail press fixing groove 26 and the basic rail fixing groove 24 becomes narrower.
  • the rail press 6 supports the abdomen 42 of the basic rail 4 from the side opposite to the side on which the tongue rail 5 is placed, and the wedge action.
  • the bottom 41 of the basic rail 4 is pressed against one side surface (side surface on the sliding plate fixing groove 25 side) 241 of the basic rail fixing groove 24. Thereby, the fall of the basic rail 4 is prevented.
  • the base rail 4 is firmly fixed to the substrate 2 by bolting the rail press 6 to the substrate 2 using the bolt support holes 27.
  • a plurality of bolt holes 29 for fixing the branching device floor plate 1 to the installation point are formed at both ends 28 in the width direction of the substrate 2 from the upper surface 20 to the lower surface 21 of the substrate 2.
  • the sliding plate 3 has a length W2 that is narrower than the length W1 of the substrate 2. Therefore, when the sliding plate 3 is accommodated in the sliding plate fixing groove 25 of the substrate 2, both side surfaces of the substrate 2 are provided. The bottom surface 251 of the sliding plate fixing groove 25 is partially exposed on the 22 and 23 side. Using this exposed portion, the sliding plate 3 is fixed to the substrate 2 by fillet welding.
  • FIG. 2A is a top view of the sliding plate 3, and FIG. 2B is an AA cross-sectional view of the sliding plate 3 shown in FIG. 2A.
  • the sliding plate 3 has a laminated structure.
  • a back material 31 made of a steel plate, a punching metal 32 disposed on the back material 31, and a back so as to cover the punching metal 32.
  • a metal powder sintered layer 33 formed on the upper surface 310 side of the material 31.
  • a metal plate having a wide variety of plate thicknesses t1 for example, a ready-made steel plate, is used.
  • a steel plate include SPHC (hot rolled mild steel plate JIS G3131).
  • the punching metal 32 is a metal plate having a mesh structure produced by punching a metal plate with a dedicated punch press.
  • the punching metal 32 is sufficiently formed on the back material 31 by bonding the metal powder sintered layer 33 covering at least the concave and convex portions formed by disposing the punching metal 32 on the back material 31 and the back material 31. Retained.
  • FIG. 2 shows an example using a punching metal 32 in which a plurality of rhombus shapes are punched in a uniform arrangement, but a high sintering density region (impact resistance) in a metal powder sintered layer 33 described later.
  • Punching metal 32 having an open area ratio corresponding to the ratio of the low sintered density region (the portion with high lubrication resin impregnation rate and excellent lubricity) and the low sintering density region.
  • the shape, size, and arrangement pattern of the holes are not limited to those shown in FIG.
  • the holes may be circular or holes of different sizes may be formed. Further, a plurality of holes may be arranged so that the hole area ratio is different for each region.
  • the metal powder sintered layer 33 is formed by sintering a mixed powder in which a solid lubricant such as graphite, PTFE, molybdenum disulfide (MoS2) is mixed with a sintering alloy powder.
  • a solid lubricant such as graphite, PTFE, molybdenum disulfide (MoS2)
  • MoS2 molybdenum disulfide
  • various constituent materials can be used for the mixed powder, including bronze-based materials composed of copper, tin, solid lubricant, and the like.
  • a mixed powder comprising 4 to 10% by weight of tin, 10 to 40% by weight of nickel, 0.1 to 4% by weight of phosphorus, 3 to 10% by weight of graphite, and the balance copper is a metal that exhibits the best sliding performance.
  • the powder sintered layer 33 can be realized.
  • the metal powder sintered layer 33 is impregnated with a lubricating resin having excellent weather resistance.
  • lubricating resins include PTFE, PFA, PAI, PI, PE (polyethylene), PP (polypropylene), and the like.
  • solid lubricants such as graphite, PTFE, and molybdenum disulfide may be dispersed and blended in the lubricating resin.
  • the sliding plate 3 having the above configuration is manufactured as follows. First, the back material 31 and the punching metal 32 are flattened by performing leveler processing on the back material 31 and the punching metal 32, respectively. Next, the punching metal 32 is disposed on the backing material 31, and the above-mentioned mixed powder is sprayed on the upper surface 310 side of the punching metal 32 with a predetermined thickness, followed by primary sintering, and the intermediate of the metal powder sintered layer 33. Form the body. Next, the backing material 31 including the intermediate body of the metal powder sintered layer 33 and the punching metal 32 is rolled. At this time, there is a possibility that defects such as cracks may occur in the intermediate of the metal powder sintered layer 33.
  • this metal powder sintered layer 33 by further secondary sintering the intermediate of this metal powder sintered layer 33, defects such as cracks may occur.
  • it has a desired strength that hardly causes defects such as cracks due to an external force during use, and has a desired bonding strength for firmly bonding the backing material 31 and the punching metal 32 that is a reinforcing member.
  • a finished product of the metal powder sintered layer 33 having desired hardness excellent in wear resistance and the like is formed.
  • the finished product of the metal powder sintered layer 33 and the backing material 31 provided with the punching metal 32 are rolled, and then the finished product of the metal powder sintered layer 33 is subjected to leveler processing, thereby performing the metal powder sintered layer 33.
  • the thickness t2 of the finished product is uniformly adjusted.
  • the above-mentioned lubricating resin is heated and melted and impregnated into the finished body of the metal powder sintered layer 33, thereby producing the sliding plate 3 having a desired sliding performance.
  • the metal powder sintered layer 33 formed on the metal portion 321 of the punching metal 32 is compressed at a high pressure by rolling and leveler processing, so that the sintered density is high, impact resistance, Excellent load resistance and wear resistance (high sintering density range).
  • the metal powder sintered layer 33 formed in the hole (gap) 322 of the punching metal 32 is more than the metal powder sintered layer 33 formed on the metal portion 321 of the punching metal 32 by rolling and leveler processing. Is compressed at a low pressure, the sintering density is low, the impregnation rate of the lubricating resin is high, and the lubricity is excellent (low sintering density region).
  • the metal powder sintered layer 33 contains a solid lubricant such as graphite in a dispersed manner.
  • the metal powder sintered layer 33 includes a high sintered density region excellent in impact resistance, load resistance and wear resistance, and a low sintered density region excellent in lubricity, the train The Tongrel 5 can be slidably supported stably over a long period of time without causing plastic deformation or the like with respect to the impact load applied to the Tongrel 5 during passage.
  • the backing material 31 a steel plate having ready-made products with various plate thicknesses t ⁇ b> 1 can be used as compared with the striped steel plate, so the thickness t ⁇ b> 2 of the metal powder sintered layer 33 is changed.
  • a steel plate having a thickness t1 corresponding to the thickness of the sliding plate 3 to be produced can be used as the backing material 31.
  • the sliding plate 3 having various thicknesses can be realized without changing manufacturing conditions such as sintering conditions and rolling conditions, and the thickness of the sliding plate 3 can be easily adjusted.
  • the high sintering density region and the low sintering density region of the metal powder sintered layer 33 are formed by the punching metal 32 disposed on the back material 31.
  • the punching metal 32 disposed on the back material 31 By changing the shape, size, and arrangement pattern of the holes (voids) 322 of the punching metal 32, the ratio of the high sintering density region and the low sintering density region of the metal powder sintered layer 33 is flexibly changed. Therefore, the performance of the sliding plate 3 can be easily adjusted. For example, if a plurality of types of punching metal 32 having different hole shapes, sizes, and arrangement patterns are prepared, the punching metal 32 to be used is made to have a high sintering density region and a low sintering of the metal powder sintered layer 33 to be formed.
  • the sliding plate 3 having a desired performance can be realized by using the common backing material 31 only by exchanging with the punching metal 32 having a hole area ratio corresponding to the ratio to the density region.
  • the performance of the sliding plate 3 can be adjusted by changing the material of the punching metal 32.
  • a steel plate such as SS400 (rolled steel sheet for general structure JIS G3101) as the material of the punching metal 32
  • the sliding plate 3 with an emphasis on impact resistance, load resistance and wear resistance can be produced.
  • a bronze alloy-based metal plate By using a bronze alloy-based metal plate, the sliding plate 3 with an emphasis on lubricity can be produced.
  • the sliding plate 3 in which the thickness and performance can be easily adjusted, and the branching device floor plate 1 using the sliding plate 3.
  • the entire surface of the punching metal 32 is covered with the metal powder sintered layer 33, but the present invention is not limited to this.
  • the metal powder sintered layer 33 only needs to cover at least a part of the punching metal 32.
  • the surface of the metal portion 321 of the punching metal 32 is exposed in a state flush with the surface of the metal powder sintered layer 33. It may be.
  • the sliding plate 3 with more importance on impact resistance, load resistance, and wear resistance is produced. can do.
  • the metal powder sintered layer 33 is impregnated with a lubricating resin.
  • the lubricating oil is sintered with the metal powder.
  • the layer 33 may be impregnated.
  • the punching metal 32 is disposed on the back material 31, and the mixed powder in which the solid lubricant is blended with the alloy powder for sintering is sprayed thereon to sinter /
  • the metal powder sintered layer 33 is formed by rolling, the present invention is not limited to this.
  • a sintering alloy powder that does not contain a solid lubricant is sprayed on the backing material 31, a punching metal 32 is disposed thereon, and a mixed powder in which a solid lubricant is blended with the sintering alloy powder is sprayed thereon.
  • the sintered metal powder layer 33 may be formed by sintering and rolling. By doing so, it is possible to further strengthen the bonding of the backing material 31, the punching metal 32, and the metal powder sintered layer 33.
  • the punching metal 32 is disposed on the back material 31, but the present invention is not limited to this.
  • any reinforcing member capable of forming irregularities on the upper surface 310 side of the backing material 31 may be disposed on the backing material 31.
  • the punching metal 32 by replacing the punching metal 32 with a metal plate having another mesh structure such as an expanded metal, a high sintered density region and a low sintered density region of the metal powder sintered layer 33 are formed.
  • the expanded metal is a metal plate having an integral mesh structure in which the mesh does not have a joint.
  • the shape, size or arrangement pattern of the holes of the metal plate having a mesh structure arranged on the back material 31 may be changed according to the arrangement position on the back material 31.
  • a metal powder having a plurality of types of mesh structures having different hole shapes, sizes, or arrangement patterns is used depending on the arrangement position on the back material 31, thereby allowing the metal powder to be used in accordance with the performance required for the sliding plate 3.
  • the ratio of the high sintered density region and the low sintered density region of the sintered layer 33 may be partially changed. By doing so, for example, the central part emphasizes lubricity and the edge emphasizes impact resistance, load resistance, wear resistance, etc., depending on the performance required for each part, the performance differs for each part.
  • the sliding plate 3 can be realized.
  • the reinforcing member and the backing material 31 are joined by diffusion bonding by applying metal plating (copper plating, nickel plating, tin plating, brass plating, etc.) to at least one of the reinforcing member and the backing material 31.
  • metal plating copper plating, nickel plating, tin plating, brass plating, etc.
  • a method of joining by brazing, a method of joining mechanically by screwing or the like can be considered.
  • At least one of the backing material 31 and the reinforcing member may be plated with the same metal as the metal powder sintered layer 33. By doing so, it becomes possible to further strengthen the bonding strength of the backing material 31, the reinforcing member, and the metal powder sintered layer 33. For example, when a bronze-based sintering alloy powder is used for the metal powder sintered layer 33, higher bonding strength can be obtained by performing copper plating.
  • the metal powder sintered layer 33 in which the solid lubricant is dispersed is used.
  • a sintered metal powder layer may be used.
  • the sliding plate 3 is used for the branch plate 1 has been described as an example.
  • the sliding plate 3 can be used for various sliding applications such as a sliding bearing.
  • the sliding plate of the present invention can be used for various sliding applications such as floor plates for turnouts and sliding bearings.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Railway Tracks (AREA)
  • Powder Metallurgy (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

L'invention porte sur : une plaque de glissement, dont l'épaisseur et la performance peuvent être facilement ajustées ; et une plaque de plancher pour un aiguillage, qui utilise la plaque de glissement. Une plaque de glissement (3) est munie d'un matériau de renfort (31) comprenant une tôle d'acier ou analogue, un métal de poinçonnage (32) disposé sur le matériau de renfort (31), et une couche de poudre métallique frittée (33) formée sur la surface supérieure (310) du matériau de renfort (31) de manière à recouvrir le métal de poinçonnage (32). La couche de poudre métallique frittée (33) est formée en soumettant une poudre d'alliage à fritter à un frittage et un laminage, et est imprégnée d'une résine lubrifiante par fusion à chaud. La couche de poudre métallique frittée (32) formée sur une zone métallique (321) du métal de poinçonnage (32) a subi une compression à haute pression et présente donc une haute densité de frittage et d'excellentes résistances à l'impact, à la charge et à l'usure. Pendant ce temps, la couche de poudre métallique frittée (33) formée dans des espaces vides (322) du métal de poinçonnage (32) a subi une compression à basse pression et présente donc une faible densité de frittage et un haut taux d'imprégnation de la résine lubrifiante, de telle sorte qu'on atteint une excellente lubrification.
PCT/JP2014/050443 2013-01-16 2014-01-14 Plaque de glissement et plaque de plancher pour aiguillage WO2014112471A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US14/760,535 US20150354145A1 (en) 2013-01-16 2014-01-14 Sliding plate and floor plate for turnout
EP14741082.3A EP2946855A4 (fr) 2013-01-16 2014-01-14 Plaque de glissement et plaque de plancher pour aiguillage
CN201480004338.2A CN104994977A (zh) 2013-01-16 2014-01-14 用于道岔的滑动板和底板
KR1020157020884A KR20150107771A (ko) 2013-01-16 2014-01-14 슬라이딩판 및 분기기용 바닥판

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-005756 2013-01-16
JP2013005756A JP6141642B2 (ja) 2013-01-16 2013-01-16 摺動板および分岐器用床板

Publications (1)

Publication Number Publication Date
WO2014112471A1 true WO2014112471A1 (fr) 2014-07-24

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PCT/JP2014/050443 WO2014112471A1 (fr) 2013-01-16 2014-01-14 Plaque de glissement et plaque de plancher pour aiguillage

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US (1) US20150354145A1 (fr)
EP (1) EP2946855A4 (fr)
JP (1) JP6141642B2 (fr)
KR (1) KR20150107771A (fr)
CN (1) CN104994977A (fr)
WO (1) WO2014112471A1 (fr)

Cited By (1)

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KR101744064B1 (ko) * 2015-03-06 2017-06-09 주식회사 천경기업 경전철용 가동 안내판 취부구조

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Publication number Priority date Publication date Assignee Title
CN105803865B (zh) * 2016-05-17 2017-11-10 沈阳鼎然新材料有限公司 一种热熔结合的铁路高速道岔复合型滑床台板
CN105887583B (zh) * 2016-05-17 2018-01-19 沈阳鼎然新材料有限公司 一种锻造成型铁路高速道岔复合型滑床台板
RU184722U1 (ru) * 2018-07-13 2018-11-06 Общество с ограниченной ответственностью "Информационные технологии" (ООО "ИнфоТех") Ось подвижного соединения стрелочной гарнитуры стрелочного электропривода
CN111957976B (zh) * 2020-07-06 2022-09-16 番禺得意精密电子工业有限公司 复合板材的制作方法
CA3137830A1 (fr) * 2020-11-06 2022-05-06 Roller Bearing Company Of America, Inc. Aiguillage a doublure lubrifiante

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JPH03232905A (ja) * 1990-02-07 1991-10-16 Oiles Ind Co Ltd 複層焼結摺動部材
JPH09221701A (ja) 1996-02-16 1997-08-26 Taiho Kogyo Co Ltd 分岐器用床板
JPH11217637A (ja) * 1998-01-28 1999-08-10 Komatsu Ltd 摺動材料，摺動部材およびその摺動部材の製造方法

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JP2014136899A (ja) 2014-07-28
JP6141642B2 (ja) 2017-06-07
US20150354145A1 (en) 2015-12-10

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