CN112959586B - Combined system and method for manufacturing steel rail guard rail layer - Google Patents

Combined system and method for manufacturing steel rail guard rail layer Download PDF

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Publication number
CN112959586B
CN112959586B CN202110137746.7A CN202110137746A CN112959586B CN 112959586 B CN112959586 B CN 112959586B CN 202110137746 A CN202110137746 A CN 202110137746A CN 112959586 B CN112959586 B CN 112959586B
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China
Prior art keywords
panel
rail
layer
steel rail
side panel
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CN202110137746.7A
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CN112959586A (en
Inventor
龚湛林
周开爵
杨蒙蒙
杨自祺
唐曙波
王泽勇
于日志
张海燕
陈鸣才
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Guangdong Sunlite Science & Technology Co ltd
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Guangdong Sunlite Science & Technology Co ltd
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Priority to CN202110137746.7A priority Critical patent/CN112959586B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B5/00—Rails; Guard rails; Distance-keeping means for them
    • E01B5/18—Guard rails; Connecting, fastening or adjusting means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material

Abstract

The invention discloses a steel rail guard rail layer manufacturing and combining system and a manufacturing method, which are used for wrapping a guard rail layer on the periphery of a steel rail, wherein the steel rail guard rail layer manufacturing and combining system comprises at least two first molding panel groups and at least one second molding panel group, the first molding panel groups are arranged at intervals, a first molding space is formed by the first molding panel groups in a surrounding manner, and the first molding space is used for molding the first guard rail layer; after first forming panel group is detached from the rail, second forming panel group is used for laminating outside first guardrail layer, and first guardrail layer, second forming panel group and rail enclose and establish and form second shaping space, and second shaping space is used for shaping out second guardrail layer. After the steel rail is laid, first forming panel groups are arranged at intervals on the outer side periphery of the steel rail, and a first guard rail layer is formed by utilizing the first forming panel groups; and then the second forming panel is matched with the first guard rail layer and the steel rail to form a second guard rail layer, so that the integrated combination effect of the steel rail and the guard rail layer is realized.

Description

Combined system and method for manufacturing steel rail guard rail layer
Technical Field
The invention relates to the technical field of rail transit, in particular to a combined system and a method for manufacturing a steel rail guard rail layer.
Background
The modern tramcar system is developed for solving the defects of high investment, long construction period and the like of the existing subway in each big city of the world. The embedded track realizes the running mode that the modern tramcar shares the right of way with other transportation modes, and is more applied to the modern tramcars built or built at home and abroad at present. The track structure is buried underground, a wrapping system is needed for protection, the vibration transmission of a land structure caused by the running of tramcars is isolated, the effects of sealing, water blocking, insulation, corrosion prevention and the like are achieved, and the effects of isolating and transition of steel rails and a road surface are achieved.
The combined system for manufacturing the steel rail guard rail layer used in the prior art is basically assembled in a block mode by rail top sealing materials, left and right side guard rail materials, rail bottom guard rail materials and fastener cover parts in modes of physical splicing or adhesive brushing and the like. Such as the published patent CN210561492U, CN111021162A, CN205223751U and the like. The block type assembly packaging system has a gap inevitably, has poor sealing effect and cannot play a good role in isolation and corrosion prevention.
Meanwhile, due to the low precision of the construction size of the rail and the large tolerance of the space between the rails, the preparation of the reserved position of the steel rail wrapping material in a factory cannot be realized; the steel rail can not be wrapped and prefabricated continuously in a factory, and the problems of fastener fixation, rigidity change and the like exist.
Disclosure of Invention
Based on this, it is necessary to provide a combined system and a method for manufacturing a rail protection layer, which are used to form the rail protection layer by pouring and wrapping the outer side of the rail according to the actual rail state after the track is laid, so as to realize the integrated combination of the rail and the rail protection layer, thereby solving the problem of the current buried track structure.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a steel rail guard rail layer manufacturing combined system is used for wrapping guard rail layers on the peripheral sides of steel rails, and the guard rail layers comprise first guard rail layers and second guard rail layers which are arranged in a staggered mode along the direction of the steel rails; the steel rail protection layer manufacturing combined system comprises at least two first forming panel groups and at least one second forming panel group, the first forming panel groups are arranged at intervals along the direction of a steel rail, the first forming panel groups surround to form a first forming space, and the first forming space is used for forming a first protection rail layer; when the first forming panel group is detached from the steel rail, the second forming panel group is attached to the outer side portion of the first guard rail layer, a second forming space is formed by the first guard rail layer, the second forming panel group and the steel rail in an enclosing mode, and the second forming space is used for forming the second guard rail layer.
In one embodiment, the first forming panel assembly comprises a first top panel, a first side panel, a second side panel and a first bottom panel assembly, the first top panel is attached to the upper end portion of the steel rail, the first side panel and the second side panel are respectively arranged on two sides of the steel rail and are arranged at intervals with the steel rail, the first bottom panel assembly is arranged below the steel rail and is arranged at intervals with the steel rail, the first top panel is respectively fixedly connected with the upper end portions of the first side panel and the second side panel, two sides of the first bottom panel assembly are respectively fixedly connected with one side of the bottom end portion of the first side panel and one side of the bottom end portion of the second side panel, the first bottom panel assembly is arranged in butt joint with the upper end face of the sleeper, and the first forming space is formed by the first top panel, the first side panel, the second side panel, the first bottom panel assembly and the steel rail together.
In one embodiment, the first top plate is provided with first pouring holes at two side edges respectively.
In one embodiment, the first side panel is provided with a first protruding portion protruding from each of two ends thereof, the second side panel is provided with a second protruding portion protruding from each of two ends thereof, the first bottom panel assembly is provided with a third protruding portion protruding from each of the two ends thereof, the first protruding portion, the second protruding portion and the third protruding portion are respectively attached to the steel rail, the first protruding portion and the second protruding portion are respectively attached to two side portions of the steel rail, and the third protruding portion is respectively attached to the bottom end portion of the steel rail.
In one embodiment, the first bottom plate assembly is composed of at least two first bottom plates, and the third protrusions are respectively arranged at two ends of the first bottom plates, so that the first top plate, the first side plate, the second side plate and the first bottom plate jointly enclose to form a first forming space.
In one embodiment, the rail is used for being fixedly installed on a railway sleeper through a fastener system, the first side panel and the second side panel are respectively provided with an opening, the openings are arranged to match with the fastener system, the first side panel is provided with a fifth bulge portion in a protruding mode downwards on the periphery of the opening, the second side panel is provided with a sixth bulge portion in a protruding mode downwards on the periphery of the opening, and the fifth bulge portion and the sixth bulge portion are respectively attached to the rail.
In one embodiment, the first side panel is provided with a first groove surface portion, and the second side panel is provided with a second groove surface portion.
In one embodiment, the second molding panel set includes a second top panel, a third side panel, a fourth side panel and a second bottom panel, the second top panel is attached to the upper end of the steel rail, the third side panel and the fourth side panel are respectively disposed on two sides of the steel rail and spaced from the steel rail, the second bottom panel is disposed below the steel rail and spaced from the steel rail, the second top panel is respectively fixedly connected to the upper ends of the third side panel and the fourth side panel, two sides of the second bottom panel are respectively fixedly connected to one side of the bottom end of the third side panel and one side of the bottom end of the fourth side panel, the second bottom panel is attached to the bottom end of the first rail protection layer, two ends of the third side panel and the fourth side panel are respectively attached to the edges of the two first rail protection layers, and the second molding space is formed by the second top panel, the third side panel, the fourth side panel, the second bottom panel, the two first rail protection layers and the steel rail.
A method of wrapping a rail, comprising the steps of:
fastening and fixing the steel rail on a sleeper through a fastener system;
cleaning the steel rail;
assembling at least two first forming panel groups at intervals on the periphery of a steel rail, and forming a first forming space by matching with a sleeper;
injecting a polyurethane material into the first molding space to obtain a first guard rail layer;
detaching the first forming panel group from the periphery of the steel rail;
assembling a second molding panel group between the two first guard rail layers, wherein the second molding panel group, the first guard rail layers and the steel rail enclose to form a second molding space;
injecting a polyurethane material into the second molding space to obtain a second guard rail layer;
detaching the second forming panel group from the periphery of the steel rail;
and installing a fastener cover at the side surface of the guard rail layer matched with the fastener system.
In one embodiment, the polyurethane material is a two-component polyurethane material, and the polyurethane material comprises the following components in a weight ratio of (60-90): (20-40) component A and component B, wherein the component A comprises 50-80 parts by weight of polyether polyol, 5-10 parts by weight of chain extender, 1-4 parts by weight of anti-decomposition agent, 0.02-0.1 part by weight of catalyst and 10-20 parts by weight of active plasticizer, and the component B is isocyanate prepolymer.
In conclusion, according to the combined system and the method for manufacturing the steel rail guard rail layer, after the steel rail is laid, the first molding panel groups are arranged at intervals on the outer periphery of the steel rail, the first molding space is formed by enclosing the first molding panel groups, the steel rail and the guard rail structure, the pouring material is poured into the first molding space through the external pouring machine, and the first molding space is formed into the first guard rail layer after being fully poured; cooperate second forming panel group again to combine first guardrail layer and rail to enclose and establish formation second molding space, pour into the casting material in to second molding space through outside casting machine, until the second molding space is full the back shaping into second guardrail layer, second guardrail layer combines with first guardrail layer simultaneously and forms complete guardrail layer structure, and then realize the complete parcel processing to the rail, realize rail and guardrail layer integration combination effect, thereby solve the problem that the rail structure buried the ground and appeared.
Drawings
FIG. 1 is a schematic view of a combination of a rail, a guard rail layer and a fastener system according to the present invention;
FIG. 2 is a schematic structural diagram of a steel rail and a guard rail layer according to the present invention;
FIG. 3 is a schematic structural diagram of a combined system for manufacturing a rail protection layer according to the present invention;
FIG. 4 is a schematic view of a hidden fastener system of a combined system for manufacturing a rail layer according to the present invention;
FIG. 5 is a schematic view of the fastener system of the present invention from another perspective after the rail layer assembly is assembled;
FIG. 6 is a schematic structural view of a first set of molding plates according to the present invention;
FIG. 7 is a schematic view of the combination of a first set of forming panels of the present invention with a rail;
FIG. 8 is a schematic view of the combination of the first panel assembly of the present invention and a rail from another perspective;
fig. 9 is a schematic structural view of a second molding panel group according to the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
As shown in fig. 1 to 9, the present invention relates to a combined system for manufacturing a rail protection layer, which is used for wrapping a protection layer 200 around a rail 100, wherein the rail 100 is used for being fixedly mounted on a railroad tie 400 through a fastener system 300, and the fastener system 300 is of a known structure and need not be described herein; the guard rail layer 200 comprises a first guard rail layer 210 and a second guard rail layer 220 which are arranged in a staggered mode along the direction of the steel rail 100, the steel rail guard rail layer manufacturing and combining system comprises at least two first molding panel groups 500 and at least one second molding panel group 600, the first molding panel groups 500 and the second molding panel groups 600 do not exist simultaneously, the first molding panel groups 500 are arranged at intervals along the direction of the steel rail 100, the first molding panel groups 500 surround to form a first molding space 510, and the first molding space 510 is used for molding the first guard rail layer 210; after the first molding panel assembly 500 is detached from the steel rail 100, the second molding panel assembly 600 is attached to the outer side of the first guard rail layer 210, the second molding panel assembly 600 and the steel rail 100 are enclosed to form a second molding space 610, the second molding space 610 is used for molding the second guard rail layer 220, and the first guard rail layer 210 and the second guard rail layer 220 are finally combined to form the complete guard rail layer 200.
The first forming panel assembly 500 includes a first top panel 520, a first side panel 530, a second side panel 540 and a first bottom panel assembly 550, the first top panel 520 is attached to the upper end of the steel rail 100, the first side panel 530 and the second side panel 540 are respectively disposed on two sides of the steel rail 100 and spaced from the steel rail 100, the first bottom panel assembly 550 is disposed below the steel rail 100 and spaced from the steel rail 100, the first top panel 520 is respectively fixedly connected to the upper ends of the first side panel 530 and the second side panel 540, two sides of the first bottom panel assembly 550 are respectively fixedly connected to one side of the bottom end of the first side panel 530 and one side of the bottom end of the second side panel 540, the first bottom panel assembly 550 is in butt joint with the upper end of the sleeper 400, and the first forming space 510 is formed by the first top panel 520, the first side panel 530, the second side panel 540, the first bottom panel assembly 550 and the steel rail 100 being enclosed together.
The edges of the two sides of the first top plate 520 are respectively provided with a first pouring hole 521, so that a pouring machine can pour a pouring material such as a polyurethane material into the first forming space 510, and the first forming space 510 is fully poured and then is formed into the first guard rail layer 210; the two ends of the first side panel 530 are respectively provided with a first protruding portion 531 in a protruding manner, the two ends of the second side panel 540 are respectively provided with a second protruding portion 541 in a protruding manner, the first bottom panel assembly 550 is respectively provided with a third protruding portion 551 in a protruding manner, the first protruding portion 531, the second protruding portion 541 and the third protruding portion 551 are respectively attached to the steel rail 100, specifically, the first protruding portion 531 and the second protruding portion 541 are respectively attached to two side portions of the steel rail 100, and the third protruding portion 551 is respectively attached to the bottom end portion of the steel rail 100, so that the blocking treatment of the first forming space 510 is completed, and the situation that the pouring material in the first forming space 510 flows out from the periphery of the first forming panel assembly 500 to influence the wrapping effect of the steel rail 100 is avoided.
Specifically, the first bottom plate assembly 550 includes at least two first bottom plates 552, in this embodiment, the number of the first bottom plates 552 is two, the two first bottom plates 552 are respectively disposed on two sides of the sleeper 400, and the third protrusions 551 are respectively disposed on two ends of the first bottom plates 552, so that the first top plate 520, the first side plate 530, the second side plate 540, and the first bottom plates 552 jointly surround to form the first forming space 510.
In one embodiment, the first side panel 530 and the second side panel 540 are respectively provided with an opening 560, the opening 560 is arranged to match with the fastener system 300, the first side panel 530 is provided with a fifth protrusion 532 protruding downwards around the opening 560, the second side panel 540 is provided with a sixth protrusion 542 protruding downwards around the opening 560, and the fifth protrusion 532 and the sixth protrusion 542 are respectively attached to the steel rail 100, so as to prevent the casting material entering the first forming space 510 from flowing out from the periphery of the opening 560 to affect the wrapping effect of the steel rail 100.
In one embodiment, the first side panel 530 is provided with a first groove surface portion 533, and the second side panel 540 is provided with a second groove surface portion 543, so that the corresponding concave portion 211 is formed on the side surface of the molded first guard rail layer 210, so that the fastener cover 310 of the fastener system 300 is attached to the concave portion 211.
The second molding panel set 600 includes a second top panel 620, a third side panel 630, a fourth side panel 640 and a second bottom panel 650, the second top panel 620 is attached to the upper end of the steel rail 100, the third side panel 630 and the fourth side panel 640 are respectively disposed on two sides of the steel rail 100 and spaced from the steel rail 100, the second bottom panel 650 is disposed below the steel rail 100 and spaced from the steel rail 100, the second top panel 620 is respectively fixedly connected to the upper ends of the third side panel 630 and the fourth side panel 640, two sides of the second bottom panel 650 are respectively fixedly connected to one side of the bottom end of the third side panel 630 and one side of the bottom end of the fourth side panel 640, the second bottom panel 650 is attached to the bottom end of the first rail protection layer 210, two ends of the third side panel 630 and the fourth side panel 640 are respectively attached to the two first rail protection layers 210, and the edge of the second molding space 610 is formed by the second top panel 620, the third side panel 630, the third side panel 640, the second side panel 640, the fourth side panel 640, the second side panel 650, the first rail protection layer 210 and the rail protection layer 210.
In other embodiments, the second molding plate groups 600 may be provided in multiple groups as needed, and multiple second molding plate groups 600 are connected to each other to form a second molding space 610 by cooperating with the first rail layer 210 and the rail 100.
Second pouring holes 621 are respectively formed in the edges of two sides of the second top plate 620, so that a pouring machine pours pouring materials such as polyurethane materials into the second forming space 610, the second forming space 610 is formed into the second guard rail layer 220 after being fully poured, the second guard rail layer 220 is formed and is combined with the first guard rail layer 210 to form a complete guard rail layer 200 structure, complete wrapping processing of the steel rail 100 is achieved, and the integrated combination effect of the steel rail 100 and the guard rail layer 200 is achieved.
In one embodiment, the first top panel 520 and the upper ends of the first side panel 530 and the second side panel 540 can be fixedly connected by a fastening mechanism 700, and the first bottom panel assembly 550 and the bottom end side of the first side panel 530 and the bottom end side of the second side panel 540 can be fixedly connected by a fastening mechanism 700; the upper ends of the second top panel 620, the third side panel 630 and the fourth side panel 640 are fixedly connected by a fastening mechanism 700, and the bottom ends of the second bottom panel 650, the third side panel 630 and the fourth side panel 640 are fixedly connected by a fastening mechanism 700; specifically, the fastening mechanism 700 passes through the openings of the first top panel 520, the first side panel 530, and the second side panel 540, the openings of the first bottom panel assembly 550, the first side panel 530, and the second side panel 540, the openings of the second top panel 620, the third side panel 630, and the fourth side panel 640, and the openings of the second bottom panel 650, the third side panel 630, and the fourth side panel 640, respectively, to complete the assembling process of the first molding panel group 500 and the second molding panel group 600.
According to the combined system for manufacturing the steel rail guard rail layer, the invention provides a method for manufacturing the steel rail guard rail layer, after the steel rail 100 is laid, the first molding panel groups 500 are arranged at intervals on the outer side periphery of the steel rail 100, the first molding space 510 is formed by utilizing the first molding panel groups 500, the steel rail 100 and the guard rail structure in an enclosing mode, a pouring material is poured into the first molding space 510 through an external pouring machine, and the first molding space 510 is formed into the first guard rail layer 210 after being fully poured; cooperate second forming panel group 600 to combine first guardrail layer 210 and rail 100 to enclose and establish formation second molding space 610 again, pour into the casting material into second molding space 610 through outside casting machine, the shaping is second guardrail layer 220 after full with second molding space 610 pouring, second guardrail layer 220 combines with first guardrail layer 210 to form complete guardrail layer 200 structure simultaneously, and then realize the complete parcel processing to rail 100, realize rail 100 and guardrail layer 200 integration combination effect, thereby solve the problem that the buried appearance of rail 100 structure.
The invention relates to a method for manufacturing a steel rail guard rail layer, which comprises the following steps:
fastening and fixing the steel rail 100 on the sleeper 400 through the fastener system 300; installing fastener systems 300 at proper positions on both sides of the steel rail 100, specifically, the fastener systems 300 are fixedly installed on the sleepers 400, and fixing the steel rail 100 through the fastener systems of the fastener systems 300;
cleaning the steel rail 100; specifically, the steel rail 100 is subjected to local rust removal treatment;
assembling at least two first forming panel groups 500 at the periphery of the steel rail 100 at intervals, and forming a first forming space 510 by matching with the sleeper 400; specifically, the first top panel 520, the first side panel 530, the second side panel 540 and the first bottom panel 552 of the first molding panel group 500 are assembled and fixed, so that the first top panel 520, the first side panel 530, the second side panel 540 and the first bottom panel 552, the rail 100 and the sleeper 400 enclose to form the first molding space 510;
injecting a polyurethane material into the first molding space 510 to obtain a first guard rail layer 210; specifically, a polyurethane material is injected into the first molding space 510 from the first injection hole 521 of the first top plate 520 by a casting machine for casting until the first molding space 510 is full of the polyurethane material, and the polyurethane material is cured and cross-linked at normal temperature to form the first guard rail layer 210;
detaching the first molding plate group 500 from the peripheral side of the steel rail 100;
assembling a second molding panel group 600 between two first guard rail layers 210, wherein the second molding panel group 600, the first guard rail layers 210 and the steel rail 100 enclose to form a second molding space 610; specifically, the second top panel 620, the third side panel 630, the fourth side panel 640, and the second bottom panel 650 of the second molding panel are assembled and fixed, wherein two ends of the third side panel 630, the fourth side panel 640, and the second bottom panel 650 are respectively attached to one end of the two first guard rail layers 210, so that the second top panel 620, the third side panel 630, the fourth side panel 640, the second bottom panel 650, the steel rail 100, and the first guard rail layers 210 enclose to form the second molding space 610;
injecting a polyurethane material into the second molding space 610 to obtain a second guard rail layer 220, and combining the second guard rail layer 220 and the first guard rail layer 210 to form a complete guard rail layer 200 structure while molding the second guard rail layer 220, wherein at the moment, the guard rail layer 200 is stably attached to the periphery of the steel rail 100, so that the steel rail 100 is wrapped and protected; specifically, a polyurethane material is injected into the second molding space 610 from a second injection hole 621 of the second top panel 620 through a casting machine for casting until the second molding space 610 is full, the polyurethane material is cured and cross-linked at normal temperature to form the second guard rail layer 220, and the second guard rail layer 220 is combined with the first guard rail layer 210 while being molded to form the finished guard rail layer 200 structure;
detaching the second molding plate group 600 from the peripheral side of the rail 100;
the fastener cover 310 is installed at the side of the rail layer 200 matching with the fastener system 300, so that the fastener cover 310 is attached to the side of the rail layer 200 and covers the fastener system 300, thereby ensuring the aesthetic property of the fastener system 300.
In one embodiment, the polyurethane material is a two-component polyurethane material, and the polyurethane material comprises (60-90) by weight: (20-40) component A and component B, wherein the component A comprises 50-80 parts by weight of polyether polyol, 5-10 parts by weight of chain extender, 1-4 parts by weight of anti-decomposition agent, 0.02-0.1 part by weight of catalyst and 10-20 parts by weight of active plasticizer, and the component B is isocyanate prepolymer.
In summary, after the steel rail 100 is laid, the first molding plate groups 500 are arranged at intervals on the outer periphery of the steel rail 100, the first molding plate groups 500, the steel rail 100 and the guard rail structure are used for enclosing to form the first molding space 510, and a casting material is poured into the first molding space 510 through an external casting machine until the first molding space 510 is fully cast to form the first guard rail layer 210; cooperate second forming panel group 600 to combine first guardrail layer 210 and rail 100 to enclose and establish formation second molding space 610 again, pour into the casting material into second molding space 610 through outside casting machine, the shaping is second guardrail layer 220 after full with second molding space 610 pouring, second guardrail layer 220 combines with first guardrail layer 210 to form complete guardrail layer 200 structure simultaneously, and then realize the complete parcel processing to rail 100, realize rail 100 and guardrail layer 200 integration combination effect, thereby solve the problem that the buried appearance of rail 100 structure.
The above examples are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. A combined system for manufacturing a steel rail guard rail layer is characterized in that: the protective rail layer is used for wrapping the peripheral side of the steel rail and comprises a first protective rail layer and a second protective rail layer which are arranged in a staggered mode along the direction of the steel rail; the steel rail guard rail layer manufacturing and combining system comprises at least two first molding panel groups and at least one second molding panel group, wherein the first molding panel groups are arranged at intervals along the direction of a steel rail, the first molding panel groups surround to form a first molding space, and the first molding space is used for molding a first guard rail layer; when the first forming panel group is detached from the steel rail, the second forming panel group is attached to the outer side part of the first guard rail layer, a second forming space is formed by the first guard rail layer, the second forming panel group and the steel rail in an enclosing mode, and the second forming space is used for forming a second guard rail layer;
the first forming panel assembly comprises a first top panel, a first side panel, a second side panel and a first bottom panel assembly, the first top panel is attached to the upper end portion of a steel rail, the first side panel and the second side panel are respectively arranged on two sides of the steel rail and are arranged at intervals with the steel rail, the first bottom panel assembly is arranged below the steel rail and is arranged at intervals with the steel rail, the first top panel is respectively fixedly connected with the upper end portions of the first side panel and the second side panel, two sides of the first bottom panel assembly are respectively fixedly connected with one side of the bottom end portion of the first side panel and one side of the bottom end portion of the second side panel, the first bottom panel assembly is in butt joint with the upper end face of a sleeper, and a first forming space is formed by the first top panel, the first side panel, the second side panel, the first bottom panel assembly and the steel rail in a surrounding mode;
the second molding panel group comprises a second top panel, a third side panel, a fourth side panel and a second bottom panel, the second top panel is attached to the upper end of the steel rail, the third side panel and the fourth side panel are respectively arranged on two sides of the steel rail and are arranged at intervals with the steel rail, the second bottom panel is arranged below the steel rail and is arranged at intervals with the steel rail, the second top panel is respectively fixedly connected with the upper end portions of the third side panel and the fourth side panel, two sides of the second bottom panel are respectively fixedly connected with one side of the bottom end portion of the third side panel and one side of the bottom end portion of the fourth side panel, the second bottom panel is attached to the bottom end face of the first rail protection layer, two ends of the third side panel and the fourth side panel are respectively attached to the edges of the two first rail protection layers, and the second molding space is formed by jointly enclosing the three side second top panels, the third side panel, the fourth side panel, the second bottom panel and the two first rail protection layers with the steel rail.
2. A rail layer assembly system according to claim 1, wherein: and the edges of two sides of the first top panel are respectively provided with a first pouring hole.
3. A rail layer assembly system according to claim 1, wherein: the steel rail fixing device is characterized in that first protruding portions are convexly extended at two ends of the first side panel respectively, second protruding portions are convexly extended at two ends of the second side panel respectively, third protruding portions are convexly extended on the first bottom panel assembly respectively, the first protruding portions, the second protruding portions and the third protruding portions are attached to steel rails respectively, the first protruding portions and the second protruding portions are attached to two side portions of the steel rails respectively, and the third protruding portions are attached to bottom end portions of the steel rails respectively.
4. A rail layer assembly as defined in claim 3 wherein: the first bottom plate component is composed of at least two first bottom plates, and the third protruding parts are arranged at two ends of each first bottom plate respectively, so that the first top panel, the first side panel, the second side panel and the first bottom plates are arranged together in an enclosing mode to form a first forming space.
5. A rail layer assembly system according to claim 1, wherein: the rail is used for through fastener system fixed mounting on the railway sleeper, the opening has been seted up on first side board and the second side board respectively, the opening matches the fastener system setting, first side board is equipped with the fifth bellying in the week side downwardly protruding extension of opening, the second side board is equipped with the sixth bellying in week side downwardly protruding extension of opening, fifth bellying and sixth bellying set up with the rail laminating respectively.
6. A rail layer assembly system according to claim 1, wherein: the first side panel is provided with a first groove face portion, and the second side panel is provided with a second groove face portion.
7. A rail wrapping method using the combined rail layer manufacturing system according to any one of claims 1 to 6, comprising the steps of:
fastening and fixing the steel rail on the sleeper through a fastener system;
cleaning the steel rail;
assembling at least two first forming panel groups at intervals on the periphery of a steel rail, and forming a first forming space by matching with a sleeper;
injecting a polyurethane material into the first forming space to obtain a first guard rail layer;
detaching the first forming panel group from the periphery of the steel rail;
assembling a second molding panel group between the two first guard rail layers, wherein the second molding panel group, the first guard rail layers and the steel rail are surrounded to form a second molding space;
injecting a polyurethane material into the second forming space to obtain a second guard rail layer;
detaching the second forming panel group from the periphery of the steel rail;
and installing a fastener cover at the side surface of the guard rail layer matched with the fastener system.
8. A rail wrapping method according to claim 7, wherein: the polyurethane material is a two-component polyurethane material, and the polyurethane material comprises the following components in parts by weight (60-90): (20-40) component A and component B, wherein the component A comprises 50-80 parts by weight of polyether polyol, 5-10 parts by weight of chain extender, 1-4 parts by weight of anti-decomposition agent, 0.02-0.1 part by weight of catalyst and 10-20 parts by weight of active plasticizer, and the component B is isocyanate prepolymer.
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