CN215800703U - Gauge baffle height-adjusting pad structure for heavy freight railway fastener - Google Patents

Abstract

The utility model discloses a gauge apron down-adjusting height-adjusting cushion plate structure for a heavy freight railway fastener, which is arranged on the lower side of a gauge apron and is characterized in that: the rail gauge baffle plate lower-height-adjusting base plate structure comprises two rail gauge baffle plate lower-height-adjusting base plates which are matched in pairs, each rail gauge baffle plate lower-height-adjusting base plate comprises a plate body in a square structure, two openings are formed in the inner side of the plate body and are respectively matched with two stand columns of an embedded iron base, and concave and convex structures are respectively arranged on the front part and the rear part of the inner side of the plate body; the concave and convex structures of the two gauge baffle lower heightening base plates are matched in a buckled mode in pairs, and the openings of the two gauge baffle lower heightening base plates correspond in pairs. The track gauge baffle plate is adopted to lower the height of the height-adjusting base plate, the track gauge baffle plate is simple in structure and convenient to install and position, the opening is matched with the embedded iron seat for use, and the planiform quadrilateral concave-convex structures are buckled with each other in pairs for use, so that the track gauge baffle plate is easy and accurate to install.

Description

Gauge baffle height-adjusting pad structure for heavy freight railway fastener

Technical Field

The utility model belongs to the technical field of heavy freight railways, and particularly relates to a gauge baffle down-adjusting high bolster structure for a heavy freight railway fastener.

Background

At present, railway transportation develops rapidly in the world, and the fastener plays the effect of fixed rail, adjustment gauge as a basic part of railway track system, provides cushioning effect for track system simultaneously, improves the comfort level of train. The fastener quantity is great on the railway line, and the later maintenance cost is high, consequently, simple structure, intensity height, reduction later maintenance cost are the development direction of fastener always.

In particular, heavy freight railway transportation is widely regarded by railways of all countries in the world due to large transportation capacity, high efficiency and low transportation cost. At present, heavy freight transportation is rapidly developed in the world, and the heavy freight transportation is internationally recognized as the development direction of railway freight and becomes an important trend of the development of the world railway.

Along with the development of heavy freight railway, higher requirements are provided for the structure, the strength, the service life, the bearing capacity, the ageing resistance and the like of the fastener, and the existing fastener structure cannot meet the development of the heavy freight railway. Particularly, the height adjusting pieces used in large quantities are not easy to replace, and cannot better meet the development of future heavy-load freight railways.

The utility model discloses a utility model patent of bulletin number CN206752212U, for the applicant applies for in 2017, 05 month 10, it discloses a rail fixed knot constructs for heavy-duty railway, including sleeper and the rail that arranges along the fore-and-aft direction, the rail is installed on sleeper rail-bearing surface, the butt joint portion of sleeper rail-bearing surface both sides and sleeper fender shoulder all is provided with the baffle seat, the outside of baffle seat simultaneously with sleeper rail-bearing surface and sleeper fender shoulder closely paste, the inboard of baffle seat is equipped with the fixed slot, the bilateral symmetry of rail is equipped with the gauge apron, the interior tip of gauge apron is connected with the rail bottom joint of rail, the outer tip of gauge apron is connected with the fixed slot joint on the corresponding baffle seat; the gauge baffle is fixedly connected with the sleeper through a spiral spike. The utility model has convenient installation and stable structure, is suitable for the fixed installation of the steel rail of the heavy-duty railway and improves the construction efficiency.

The technical scheme is definitely suitable for the heavy-duty railway, but the structural design is relatively simple, and no height-adjusting part is used.

The utility model discloses a utility model patent of publication No. CN208604417U, for this applicant's application in 2018, 24.07.24.8, it discloses a bullet strip fastener structure for small radius rail, include the rail of installing on sleeper support rail face along the fore-and-aft direction, the left and right sides that lies in the rail on sleeper support rail face corresponds and is equipped with pre-buried fixing base, all block between the corresponding side of pre-buried fixing base and rail and be equipped with the gauge dog, gauge dog inboard is established to extend inwards and set up the bulge on the rail foot upside, the bulge department is equipped with the jaw that protrudes downwards and forms the draw-in groove with this bulge cooperation, the rail foot joint of rail is in this draw-in groove; the outer side of the gauge stop block is provided with a bayonet matched with the corresponding embedded fixing seat, and the gauge stop block is in clamping fit with the corresponding embedded fixing seat through the bayonet; the pre-buried fixing base is further provided with an e-shaped elastic strip, the buckling part of the e-shaped elastic strip is pressed on the gauge stop block, and the supporting part of the e-shaped elastic strip is in butt joint with the pre-buried fixing base. The utility model has convenient installation and stable structure, and ensures the structural strength of the installed track.

The technical scheme is mainly suitable for small-radius track steel rails and matched with e-shaped elastic strips, the structural design of the steel rail can not meet the use requirement of heavy freight railways, and no heightening part is used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gauge apron down-adjusting high-padding plate structure for a heavy freight railway fastener.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a gauge baffle plate height-adjusting backing plate structure for heavy freight railway fasteners is arranged on the lower side of a gauge baffle plate and comprises two gauge baffle plate height-adjusting backing plates which are matched in pairs, each gauge baffle plate height-adjusting backing plate comprises a plate body in a square structure, two openings are formed in the inner side of the plate body and are respectively matched with two stand columns of an embedded iron seat, and concave and convex structures are respectively arranged on the front part and the rear part of the inner side of the plate body; the concave and convex structures of the two gauge baffle lower heightening base plates are matched in a buckled mode in pairs, and the openings of the two gauge baffle lower heightening base plates correspond in pairs.

The concave and convex structures are in a parallelogram shape.

The lower side of the rail gauge baffle plate lower heightening base plate is provided with a preset heightening base plate in a matching mode.

The preset height-adjusting base plate is provided with two through grooves which are matched with the two stand columns of the embedded iron seat.

The gauge baffle lower height-adjusting base plate and the preset height-adjusting base plate extend inwards to the position below the steel rail.

The utility model has the beneficial effects that:

the track gauge baffle plate is adopted to lower the height of the height-adjusting base plate, the track gauge baffle plate is simple in structure and convenient to install and position, the opening is matched with the embedded iron seat for use, and the planiform quadrilateral concave-convex structures are buckled with each other in pairs for use, so that the track gauge baffle plate is easy and accurate to install.

The through grooves arranged on the preset heightening base plate are matched with the embedded iron seat for use, so that the heightening base plate is easy and accurate to install.

Drawings

FIG. 1 is an assembled top view of a spring-loaded fastener in accordance with an embodiment of the present invention;

FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;

FIG. 3 is a schematic view of the installation of an embedded iron seat in the embodiment of the present invention;

FIG. 4 is a front view of a pre-buried iron seat in the embodiment of the present invention;

FIG. 5 is a side view of an embedded iron seat in the embodiment of the present invention;

FIG. 6 is a front view of a T-bolt in an embodiment of the present invention;

FIG. 7 is a top view of a gage baffle in an embodiment of the utility model;

FIG. 8 is a schematic cross-sectional view taken along line B-B of FIG. 7;

FIG. 9 is a schematic cross-sectional view taken along line C-C of FIG. 7;

FIG. 10 is a left side view of a gage baffle in an embodiment of the utility model;

FIG. 11 is a top view of a W-shaped spring bar in an embodiment of the present invention;

FIG. 12 is a schematic cross-sectional view taken along line D-D of FIG. 11;

FIG. 13 is a top view of a gauge apron down-regulating tie plate in an embodiment of the present invention;

FIG. 14 is a front view of a gage plate lowering an elevated pad in an embodiment of the utility model;

FIG. 15 is a top view of an insulated gage block in an embodiment of the present invention;

FIG. 16 is a front view of an under-rail pad of an embodiment of the present invention;

fig. 17 is a top view of an under-rail pad in an embodiment of the present invention.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings.

As shown in fig. 1 to 17, the heavy freight railway fastener of the embodiment includes rails mounted on a rail bearing surface of a sleeper in the front-rear direction, and gauge guards 5 are symmetrically arranged on the rail bearing surface of the sleeper on the left and right sides of the rails.

The gauge apron 5 is provided with bolt positioning holes 51, and the front side and the rear side of the bolt positioning holes 51 are symmetrically provided with upright post positioning holes 52; the gauge baffle is provided with an embedded iron seat 6 which is fixedly connected with a sleeper downwards, the embedded iron seat 6 comprises a seat body 61, the front side and the rear side of the upper part of the seat body 61 are provided with upright posts 62 which are opposite at intervals, and the two upright posts 62 extend out of the gauge baffle 5 upwards from upright post positioning holes 52; a T-shaped dovetail groove 63 is formed between the two upright posts 62, and the T-shaped dovetail groove 63 is communicated left and right, so that T-shaped bolts can be conveniently matched and used.

T type bolt 3 is arranged in a penetrating mode through bolt positioning holes 61, the lower end of the T type bolt 3 is a protruding portion, the protruding portion of the T type bolt 3 is connected in a matched and clamped mode in a T type dovetail groove 63 of an embedded iron seat, and a nut 1 and a gasket 2 are arranged at the upper end of the T type bolt 3 to fasten a W type elastic strip 4 on a gauge baffle 5.

The embedded iron seat 6 is provided with barbs 64 at the lower part of the seat body 61, and the barbs 64 mainly play roles of fixing and supporting for the embedded part of the seat body 1, and are splayed so as to increase the pulling resistance of the seat body in the sleeper.

The embedded iron seat 6 is provided with a positioning counter bore 65 in the horizontal direction on the upright post 62, and the two positioning counter bores 65 are corresponding to each other.

The embedded iron base 6 is provided with a wide platform 66 outside the upright post and a support table 67 inside, the top surface of the wide platform 66 is flush with the bottom surface of the T-shaped dovetail groove 63, the width of the wide platform 66 is the same as that of the outer side surface of the upright post 62, and the functions of increasing the strength of the upright post 3 and enhancing the lateral impact resistance of the base body 1 are achieved; the support table 67 is perpendicular to the upright post 62, the top surface of the support table 67 is lower than that of the wide platform 66, and the wide platform 66 and the support table 67 are matched with the positioning counter bore 65 on the upright post 62 and used for positioning when the seat body 61 is pre-embedded to the sleeper.

To reduce weight, a relief groove 68 is provided between the post 62 and the barb 64.

In this embodiment, the seat body 61 is made of QT450-10, and is cast once, and the draft angles can be set in addition to the right-angled surface of the upright column 62 and the T-shaped dovetail groove 63.

The pre-buried iron seat 6 of this embodiment need be in pairs and the cooperation of gauge baffle is used when using, buries the concrete sleeper or track board underground in advance, and two liang of pairs are relative in order to guarantee the sleeper small gauge to satisfy the requirement of heavy freight railway fastener spare part manufacturing acceptance technical condition. The installation mode in the sleeper steel mould is that the seat body 61 is downward, the positioning counter bore 65 is matched with the wide platform 66 and the support table 67 for positioning, the barb 67 is exposed out of the steel mould and poured into concrete when the sleeper is formed, and the T-shaped dovetail groove 63 is arranged outside the concrete and used for installing a T-shaped bolt; t type bolt cooperation bullet strip, nut are used for fixed rail, and the power of lifting upwards of T type bolt is transmitted the concrete through the splayed structure of barb 64 in, guarantees the intensity and the stability of pedestal 61.

The embedded iron seat is simple in structure and convenient to install and position, the defect that the embedded iron seat can only install the e-shaped elastic strips can be changed by adopting the T-shaped dovetail groove, so that the track can be heightened, and the requirements of different types of fasteners and steel rail heightening can be met by changing the length of the T-shaped bolt; the T-shaped dovetail groove is arranged between the two upright posts, has high strength, and can ensure the bearing capacity and the safety of the fastener.

The pre-buried iron seat of this embodiment is equipped with wide type platform, inside at the stand outside and is equipped with a supporting bench, and wide type platform top surface and T type dovetail bottom surface looks parallel and level, a supporting bench perpendicular to stand, a supporting bench top surface are less than wide type platform top surface, the wide type platform of location counter bore cooperation and a supporting bench of both sides for the installation of pre-buried iron seat in the middle of the sleeper becomes light and accurate.

The side of the gauge apron 5 far away from the steel rail is taken as the outer side, the arc groove 53 is formed in the outer side of the gauge apron 5, and the outer side of the W-shaped elastic strip 4 is clamped in the arc groove 53, so that the reliable stability of the gauge is ensured. All be equipped with insulating gauge block 7 between the inboard of gauge baffle 5 and the rail, the inboard of insulating gauge block 7 be with rail matched with draw-in groove, insulating gauge block 7 cooperates through this draw-in groove and rail joint, and the outside of insulating gauge block 7 is established to outwards extending and is set up the bulge at gauge baffle 5 upside, and insulating gauge block 7 is sticis by the inboard of W type bullet strip simultaneously.

The gauge apron 5 is approximately in a cuboid structure and is hollow inside. Two support legs 54 are arranged at the lower part of the gauge apron 5 to enhance the function of the lateral impact resistance of the gauge apron 5.

In order to reduce weight, a process groove 55, 56, 57, 58, 59, 510 is provided between the two support legs 54.

In the present embodiment, the gauge apron 5 is made of QT450-10 and is cast and formed in one step.

When the sleeper fastener is used, the sleeper fastener needs to be matched with the embedded iron seat, the T-shaped bolt and the elastic strip in pairs for use, and the sleeper fastener is opposite in pairs to ensure the small track gauge of the sleeper so as to meet the requirements of manufacturing and acceptance technical conditions of heavy freight railway fastener parts. The mounting mode in the fastener system is that the gauge apron 5 is placed downwards, the positioning hole 51 is matched with the T-shaped bolt, the positioning hole 52 is matched with the stand column of the embedded iron base, and the arc groove 53 is matched with the elastic strip, so that the strength and the stability of the gauge apron 5 and the reliability of the gauge are ensured.

The gauge baffle has a simple structure, is convenient to install and position, and is more compactly connected with the embedded iron seat, the T-shaped bolt, the elastic strip and the like by adopting a mode of combining the three positioning holes and the arc groove, so that the gauge baffle is easily and accurately installed in the sleeper, and the gauge is ensured.

The utility model can adapt to the requirements of left and right adjustment of the steel rail by using gauge baffles of different specifications, and adapt to the requirements of fasteners of different types and steel rail height adjustment by changing the length of the T-shaped bolt and increasing the height adjustment base plate under the gauge baffle; the gauge baffle is roughly of a cuboid structure, is hollow inside, has high strength, and can ensure the bearing capacity and safety of the fastener.

Two supporting legs in the gauge apron mainly play a supporting role, and firmness of the fastener is improved.

In the embodiment, the W-shaped elastic strip 4 is a W-shaped structure, and two limbs 41 and 42 are arranged on the W-shaped elastic strip, and the end parts are flattened planes, so that the contact area is increased, and the stability is improved. Two limbs of the elastic strip are bent upwards to form a symmetrical structure, the middle part 43 of the elastic strip is higher than the two limbs, and the length of the elastic strip is shorter than the two limbs, so that the elastic strip is convenient to mount.

In this embodiment, the material of the W-shaped elastic strip is 60Si2 Mn.

When the W-shaped elastic strip is used, the W-shaped elastic strip needs to be matched with the gauge baffle and the insulating gauge block in pairs for use, and the W-shaped elastic strip is opposite to each other in pairs so as to ensure the small gauge of the sleeper. The fastener system is installed in such a way that the two limbs 41, 42 of the W-shaped elastic strip are pressed on the gauge apron by the flattened surfaces, and the middle part 43 of the W-shaped elastic strip is fixed with the T-shaped bolt in a matching way.

A rail lower base plate 8, an iron base plate 9 and an elastic base plate 10 which are sequentially arranged from top to bottom are arranged between the rail bottom of the steel rail and the rail bearing surface of the sleeper.

The under-rail pad plate 8 comprises a plate body 81 with a square structure, wherein four grooves 82 are formed in the upper portion of the plate body 81, are symmetrically arranged in the front and back direction and are used for being matched with insulating blocks of an insulating gauge block, and an opening structure 83 is formed in the lower portion of the plate body and is used for being matched with an iron pad plate.

The rail lower bolster of this embodiment, simple structure, the installation location of being convenient for, four recesses and the cooperation of insulating gauge block are used on upper portion adoption, and recessed structure and protruding structure are two liang of to be detained the cooperation and are used mutually, and the side around the iron tie plate just in time is detained to lower part open structure for become light and accurate in the middle of the installation.

In this embodiment, the material of the under-rail pad 8 is polyethylene or EVA.

When the tie plate 8 under the rail is used, the tie plate needs to be matched with an iron tie plate and an insulating block for use, and the small track gauge of the sleeper is ensured so as to meet the requirements of manufacturing and acceptance technical conditions of parts of fasteners of heavy freight railways.

In the embodiment, the elastic base plate 10 is made of TPEE, the static rigidity reaches 50kN/mm, the deformation is large, and the buffer effect in the vertical stress direction in the advancing process of the train can be effectively realized.

The lower side of the gauge apron is provided with a gauge apron height-adjusting backing plate structure, the gauge apron height-adjusting backing plate structure comprises two gauge apron height-adjusting backing plates 11 which are matched in pairs, each gauge apron height-adjusting backing plate 11 comprises a plate body 111 in a square structure, two openings 112 are arranged on the inner side of the plate body 111 and are respectively matched with two stand columns of an embedded iron base, and the front part and the rear part of the inner side of the plate body are respectively provided with a flat quadrilateral concave structure 113 and a flat quadrilateral convex structure 114; the planar quadrilateral concave-convex structures of the two gauge baffle lower heightening base plates are matched in a pairwise buckling manner, and the openings of the two gauge baffle lower heightening base plates 11 correspond to each other pairwise.

The lower side of the gauge apron lower heightening base plate 11 is provided with a preset heightening base plate 12 in a matching way. The preset heightening base plate 12 is provided with a through groove on the upper part of the plate body 1, and is matched with the two upright posts of the embedded iron seat.

In this embodiment, the preset height-adjusting pad 12 is made of polyethylene.

During installation, the gauge apron lower heightening base plate 11 and the preset heightening base plate 12 can extend inward to the lower side of the elastic base plate below the steel rail.

Aiming at the problem that a great number of used height adjusting pieces are not easy to replace in the current heavy freight railway system. The gauge apron down-adjusting height-adjusting cushion plate of the embodiment has the advantages of simple structure and convenience in replacement, and can better meet the development of future heavy freight railways.

The gauge baffle down-regulation height-adjustment base plate of this embodiment, simple structure, the installation location of being convenient for, the opening uses with the cooperation of pre-buried iron seat, and two liang of looks knots of parallelogram concave-convex structure use for become light and accurate in the middle of the installation.

In this embodiment, the material of the gauge apron lower heightening base plate is polyethylene.

The rail gauge baffle down-regulating base plate 11 and the preset height-regulating base plate 12 are matched with the embedded iron seat and the height-regulating part in pairs when in use, and the height-regulating requirement is guaranteed so as to meet the requirement of the manufacturing acceptance technical condition of the heavy freight railway fastener parts.

The bullet strip fastener structure that this embodiment formed, simple structure, intensity height, construction are fast, can solve the track and transfer the height problem, can satisfy heavy freight transportation railway, to the requirement of structure, intensity, life, bearing capacity, ageing resistance etc. of fastener.

Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the utility model and it is intended to cover in the claims the utility model as defined in the appended claims.

In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "upper", "lower", etc. indicate orientations or positional relationships based on those 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 scope of the present invention.

Claims (2)

1. The utility model provides a heavy freight transportation railway fastener is with heightening backing plate structure under gauge apron, heightening backing plate structure locates the downside of gauge apron under the gauge apron, its characterized in that: the rail gauge baffle plate lower-height-adjusting base plate structure comprises two rail gauge baffle plate lower-height-adjusting base plates which are matched in pairs, each rail gauge baffle plate lower-height-adjusting base plate comprises a plate body in a square structure, two openings are formed in the inner side of the plate body and are respectively matched with two stand columns of an embedded iron base, and concave and convex structures are respectively arranged on the front part and the rear part of the inner side of the plate body; the concave and convex structures of the lower heightening base plates of the two gauge baffles are matched in a pairwise buckling manner, and the openings of the lower heightening base plates of the two gauge baffles correspond to each other pairwise;

the lower side of the gauge baffle lower heightening base plate is provided with a preset heightening base plate in a matching way; the preset heightening base plate is provided with two through grooves which are matched with the two stand columns of the embedded iron base;

the gauge baffle lower height-adjusting base plate and the preset height-adjusting base plate extend inwards to the position below the steel rail.

2. The gauge apron down-regulation shim plate structure for heavy freight railway fasteners of claim 1, wherein: the concave and convex structures are in a parallelogram shape.

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