CN107700282A - A kind of railroad spaced iron - Google Patents

A kind of railroad spaced iron Download PDF

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Publication number
CN107700282A
CN107700282A CN201710778719.1A CN201710778719A CN107700282A CN 107700282 A CN107700282 A CN 107700282A CN 201710778719 A CN201710778719 A CN 201710778719A CN 107700282 A CN107700282 A CN 107700282A
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CN
China
Prior art keywords
railroad
female connectors
raised connector
bolt
connection piece
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN201710778719.1A
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Chinese (zh)
Other versions
CN107700282B (en
Inventor
刘皓
罗震
丰文
刘志超
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China Railway Construction Heavy Industry Group Co Ltd
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China Railway Construction Heavy Industry Group Co Ltd
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Application filed by China Railway Construction Heavy Industry Group Co Ltd filed Critical China Railway Construction Heavy Industry Group Co Ltd
Priority to CN201710778719.1A priority Critical patent/CN107700282B/en
Publication of CN107700282A publication Critical patent/CN107700282A/en
Application granted granted Critical
Publication of CN107700282B publication Critical patent/CN107700282B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00Switches; Crossings
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B5/00Rails; Guard rails; Distance-keeping means for them
    • E01B5/16Distance keepers

Abstract

The present invention provides a kind of railroad spaced iron, including two rails connecting plate and intermediate connecting component, the intermediate connecting component includes female connectors and the raised connector being divided on two rails connecting plate, the raised connector coordinates with female connectors grafting, and it is bolted part interconnection, the female connectors and raised connector are provided with the through hole passed through for bolt connection piece, and the gap for ensureing that female connectors are capable of relative motion with raised connector is left between the through hole and the bolt connection piece.The present invention, which has, makees that convenient, operating efficiency is high, and the advantages such as maintenance cost is low.

Description

A kind of railroad spaced iron
Technical field
The present invention relates to turnout technology field, more particularly to a kind of railroad spaced iron.
Background technology
Interval iron is main in track switch to be played power transmission rail active force, keeps rail spacing, and part interval iron has concurrently There is the function of fish platee connection rail.Because interval iron section configuration is complicated, interval iron uses one piece casting type in the past, but it is made Manufacturing accuracy is low, assembling is inconvenient;With the rapid development of high-speed rail technology, the manufacture and assembly precision requirement to interval iron are continuous Improve, for existing manufacture on the basis of one piece casting type, development again forms whole welding type.
Although existing two kinds of monoblock type interval irons ensure that the bulk strength of structure, but changing track switch hurt rail member When, due to changing limited space, (mainly in the movable-point crossing part of track switch, high-speed switch heel end of frog interval iron is using special Different bonding agent and rail are bonded into an entirety), if certain one steel rail damages when needing to change due to wound, need to track switch global facility (movable-point crossing) is changed, and its operation inconvenience, replacing efficiency are low, and maintenance cost is high;Meanwhile in monoblock type interval iron When foozle be present, it will spacing, rail cant to both sides rail impact.Current technology solution uses more The mode of mounting and adjusting piece adjusts rail spacing between interval iron fish platee and steel rail web, using manual polishing fish platee profile Mode alleviates interval iron to be influenceed to caused by steel rail base slope, but such scheme complex operation, and workload is big, is unfavorable for scene and is supported Shield.
The content of the invention
The technical problem to be solved in the present invention is overcome the deficiencies in the prior art, there is provided a kind of easy to operate, operating efficiency Height, and the railroad spaced iron that maintenance cost is low.
In order to solve the above technical problems, technical scheme proposed by the present invention is:
A kind of railroad spaced iron, including two rails connecting plate and intermediate connecting component, the intermediate connecting component include dividing Female connectors and raised connector on two rails connecting plate, the raised connector are matched somebody with somebody with female connectors grafting Close, and be bolted part interconnection, the female connectors and raised connector are provided with and passed through for bolt connection piece Through hole, left between the through hole and the bolt connection piece ensure female connectors can be relative with raised connector The gap of motion.
Further improvement as above-mentioned technical proposal:
The bolt connection piece is two groups or three groups, length side of multigroup bolt connection piece along the raised connector To being arranged side by side.
Gap between the through hole and the bolt connection piece is 1~5 ㎜.
The intermediate connecting component is at least two groups, length direction of multigroup intermediate connecting component along joint fastening Set gradually.
The bolt connection piece includes bolt, nut and pad, and the pad is sheathed on the bolt, and the bolt is worn Cross female connectors and raised connector is fastenedly connected with nut.
The length of the bolt screw rod is more than the length that direction is worn for bolt connection piece of the female connectors.
The female connectors are made up of the backboard of biside plate and connection biside plate, and the backboard connects with joint fastening Connect, the raised connector is inserted between the biside plate, and the through hole is on biside plate.
The raised connector is connected by installing plate with joint fastening.
The rail joint face of the joint fastening is adapted to the surface of the steel rail web.
The joint fastening is provided with the multiple connecting holes for being used for wearing fastener connection rail, multiple connecting hole edges The length direction of joint fastening is set gradually.
Compared with prior art, the advantage of the invention is that:
The intermediate connecting component of the present invention includes female connectors, the raised connector that grafting coordinates, and connection spill The bolt connection piece of connector and raised connector, when damage rail member need to be changed, pass through demounting bolt connector, separation spill The mode of connector and raised connector is fast changeable rail member, can not be independent caused by effectively prevent monoblock type interval iron Change hurt rail member, and have to integral replacing track switch large component (such as movable-point crossing) the problem of;And using grafting and The method optimizing force structure of interval iron of bolt connection piece connection, the i.e. present invention are same guarantee interval iron bulk strength When, rail member can be quickly and easily changed, which greatly reduces maintenance cost.Meanwhile female connectors and raised connector pass through Gap is left between perforation and bolt connection piece, it causes female connectors and raised connector to relatively move or rotate necessarily Angle, so as to which the spacing and angle adjustment between two rails connecting plate can be realized.I.e. the present invention can quickly accurate adjustment two by gap The spacing of side rail, and the contact relation of joint fastening and steel rail web can be quickly adjusted with suitable when rail has rail cant Rail difference rail cant demand is answered, the problem of which obviating using trimmer, manual polishing mode complex operation, its operation side Just, operating efficiency is high.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein:
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of the present invention in a particular application.
Fig. 3 is the principle schematic of present invention adjustment interval iron spacing.
Fig. 4 is the principle schematic of present invention adjustment rail cant.
Fig. 5 is the position relationship schematic diagram of bolt connection piece and through hole of the present invention.
Fig. 6 is the position relationship schematic diagram of female connectors and joint fastening of the present invention.
Fig. 7 is the position relationship schematic diagram of the raised connector of the present invention and joint fastening.
Fig. 8 is the structural representation of bolt connection piece of the present invention.
Each label represents in figure:
1st, joint fastening;11st, connecting hole;12nd, rail joint face;2nd, intermediate connecting component;21st, female connectors; 211st, side plate;212nd, backboard;22nd, raised connector;221st, installing plate;23rd, bolt connection piece;231st, bolt;232nd, nut; 233rd, pad;24th, through hole;25th, gap;3rd, rail.
Embodiment
Under will combine Figure of description and specific embodiment the present invention will be described in further details, but therefore do not limit Protection scope of the present invention processed.
As depicted in figs. 1 and 2, the railroad spaced iron of the present embodiment, including two rails connecting plate 1 and intermediate connecting component 2. Wherein, joint fastening 1 is fish platee, and two rails connecting plate 1 connects with the rail 3 of corresponding side respectively;Intermediate connecting component 2 Between two rails connecting plate 1, for connecting two rails connecting plate 1.In the present embodiment, intermediate connecting component 2 includes spill Connector 21, raised connector 22 and bolt connection piece 23.Wherein, female connectors 21 and raised connector 22 are divided into two steel On rail connecting plate 1, raised connector 22 coordinates with female connectors 21 for grafting;Bolt connection piece 23 is arranged in female connectors 21st, between raised connector 22, for connecting female connectors 21 and raised connector 22.Female connectors 21 and raised connection Part 22 is provided with the through hole 24 passed through for bolt connection piece 23, and gap 25 is left between through hole 24 and bolt connection piece 23, Gap 25 causes female connectors 21 to relatively move or turn an angle with raised connector 22.
The intermediate connecting component 2 of the present invention includes female connectors 21, the raised connector 22 that grafting coordinates, and connection The bolt connection piece 23 of female connectors 21 and raised connector 22, when damage rail member need to be changed, connected by demounting bolt Part 23, the mode of separation female connectors 21 and raised connector 22 are fast changeable rail member, be effectively prevent between monoblock type Integral replacing point components are needed to change the problem of complicated every iron;And the method optimizing connected using grafting and bolt connection piece 23 The force structure of interval iron, the i.e. present invention can quickly and easily change rail member, its is big while interval iron bulk strength is ensured Reduce maintenance cost greatly.Meanwhile between female connectors 21 and the through hole 24 and bolt connection piece 23 of raised connector 22 Gap 25 is left, it causes female connectors 21 to relatively move or turn an angle with raised connector 22, so as to reality Spacing and angle adjustment between existing two rails connecting plate 1.I.e. the present invention can be quickly between accurate adjustment both sides rail 3 by gap 25 Away from, and the contact relation of joint fastening 1 and steel rail web also can be quickly adjusted when steel rail base slope be present to adapt to rail Different rail cant demands, the problem of which obviating using trimmer, manual polishing mode complex operation, its easy to operate, work Efficiency high.
In the present embodiment, bolt connection piece 23 is two groups, length side of two groups of bolt connection pieces 23 along raised connector 22 To being arranged side by side.It can be relatively rotated necessarily with raised connector 22 in guarantee female connectors 21 using two groups of bolt connection pieces 23 While angle, female connectors 21 will not be made to produce excessive relative rotation with raised connector 22, ensure that interval iron Reliable and effective work.In other embodiments, bolt connection piece 23 is alternatively three groups.If bolt connection piece 23 is one group, recessed The rotational angle of shape connector 21 and raised connector 22 will be excessive, and it can not ensure effective work of interval iron;If bolt connects Fitting 23 is four groups or five groups, because bolt connection piece 23 forms self-locking, female connectors 21 and raised connector 22 each other Rotational angle will be very small, and it can not ensure effective adjustment of rail spacing and joint fastening 1 and steel rail web cooperation position.
In the present embodiment, the relative set of through hole 24 of raised connector 22 is two;The through hole of female connectors 21 24 are arranged to four, and the two of which through hole 24 of female connectors 21 is oppositely arranged with another two through hole 24, two groups of spiral shells Tethering fitting 23 passes through corresponding through hole 24 to connect female connectors 21 and raised connector 22.
As shown in Figure 3 to Figure 4, in the present embodiment, the gap 25 between through hole 24 and bolt connection piece 23 is 2 ㎜, its Gap 25 can effectively adjust two rails connecting plate 1 while ensureing that female connectors 21 are effectively connected with raised connector 22 Between spacing and angle, it effectively eliminates influence of the manufacture mismachining tolerance to both sides rail spacing and rail cant.In other realities Apply in example, as long as can ensure that the interstice coverage that effectively connection and rail spacing, angle effectively adjust all should be in the guarantor of the present invention In the range of shield, gap 25 is traditionally arranged to be 1~5 ㎜.
As shown in figure 5, in the present embodiment, it is x that female connectors 21 and raised connector 22, which relatively rotate angle, through hole Gap 25 between 24 and bolt connection piece 23 is a, and the spacing of two adjacent bolt connection pieces 23 is L, then x ≈ arctan (a/L), I.e. the female connectors 21 and relative rotation angle x of raised connector 22 is according to gap a, the distance L of adjacent bolt connector 23 It is determined that.The relative rotation angle of female connectors 21 and raised connector 22 causes joint fastening 1 that certain angle may be present, Now, interval iron adapts to the different rail cant demands of rail 3, and it eliminates mismachining tolerance influences to caused by rail cant.
In the present embodiment, intermediate connecting component 2 is two groups, length side of two groups of intermediate connecting components 2 along joint fastening 1 To setting.This further improves rail spacing and the reliability of angle adjustment.In other embodiments, intermediate connecting component 2 Quantity can be configured according to the actual demand of rail 3, as intermediate connecting component 2 is arranged to one or more groups of.
As shown in figure 8, in the present embodiment, bolt connection piece 23 includes bolt 231, nut 232 and pad 233.Wherein, pad Piece 233 is sheathed on 231 on bolt, and bolt 231 is fastenedly connected through female connectors 21 and raised connector 22 with nut 232. In the present embodiment, the length of bolt screw rod is more than the length that direction is worn for bolt connection piece 23 of female connectors 21, to protect Card nut 232 is effectively fastenedly connected with bolt 231.In the present embodiment, bolt 231 connects for guarantee female connectors 21 with raised The high-strength bolt that fitting 22 is reliably connected.
As shown in fig. 6, in the present embodiment, female connectors 21 are by biside plate 211 and the backboard 212 of connection biside plate 211 Composition.Backboard 212 is connected with joint fastening 1, and raised connector 22 is inserted between biside plate 211, and through hole 24 is located at two On side plate 211.As shown in fig. 7, in the present embodiment, raised connector 22 is connected by installing plate 221 with joint fastening 1.
In the present embodiment, the rail joint face 12 of joint fastening 1 is adapted to the surface of steel rail web.Joint fastening 1 Rail joint face 12 be designed according to the structure of both sides steel rail web so that railroad spaced iron is applicable to inside track switch Diverse location, its is versatile.
In the present embodiment, joint fastening 1 is provided with three connecting holes 11, length of multiple connecting holes 11 along joint fastening 1 Degree direction is set gradually, and it is used for the rail 3 for wearing fastener connection respective side.In other embodiments, the number of connecting hole 11 Amount can be adjusted according to the actual requirements.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention Under, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as being rushed in the absence of structure Prominent, the every technical characteristic being previously mentioned in each embodiment can combine in any way.The invention is not limited in text Disclosed in specific embodiment, but all technical schemes including falling within the scope of the appended claims.

Claims (10)

1. a kind of railroad spaced iron, including two rails connecting plate and intermediate connecting component, it is characterised in that the middle connection group Part includes female connectors and the raised connector being divided on two rails connecting plate, the raised connector and female connectors Grafting coordinates, and is bolted part interconnection, and the female connectors and raised connector are provided with and supply bolt connection The through hole that part passes through, left between the through hole and the bolt connection piece and ensure female connectors and raised connector energy The gap of enough relative motions.
2. railroad spaced iron according to claim 1, it is characterised in that the bolt connection piece is two groups or three groups, more Length direction of the group bolt connection piece along the raised connector is arranged side by side.
3. railroad spaced iron according to claim 1, it is characterised in that between the through hole and the bolt connection piece Gap be 1~5 ㎜.
4. according to the railroad spaced iron described in claims 1 to 3 any one, it is characterised in that the intermediate connecting component is extremely It it is less two groups, multigroup intermediate connecting component is set gradually along the length direction of joint fastening.
5. according to the railroad spaced iron described in claims 1 to 3 any one, it is characterised in that the bolt connection piece includes Bolt, nut and pad, the pad are sheathed on the bolt, the bolt through female connectors and raised connector with Nut is fastenedly connected.
6. railroad spaced iron according to claim 5, it is characterised in that the length of the bolt screw rod is more than the spill The length that direction is worn for bolt connection piece of connector.
7. according to the railroad spaced iron described in claims 1 to 3 any one, it is characterised in that the female connectors are by two The backboard composition of side plate and connection biside plate, the backboard are connected with joint fastening, and the raised connector is inserted in described Between biside plate, the through hole is on biside plate.
8. railroad spaced iron according to claim 7, it is characterised in that the raised connector passes through installing plate and rail Connecting plate connects.
9. according to the railroad spaced iron described in claims 1 to 3 any one, it is characterised in that the steel of the joint fastening Rail joint face is adapted to the surface of the steel rail web.
10. railroad spaced iron according to claim 9, it is characterised in that the joint fastening, which is provided with, to be used to wear tightly Firmware connects multiple connecting holes of rail, and multiple connecting holes are set gradually along the length direction of joint fastening.
CN201710778719.1A 2017-09-01 2017-09-01 Switch spacer Active CN107700282B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109208397A (en) * 2018-10-19 2019-01-15 安徽中志轨道交通装备制造有限公司 A kind of wing rail rail head compacting heightening type alloy steel combination frog
CN109518546A (en) * 2018-12-19 2019-03-26 中国铁建重工集团有限公司 A kind of split type interval iron for railway switch

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CN207159713U (en) * 2017-09-01 2018-03-30 中国铁建重工集团有限公司 A kind of railroad spaced iron

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109208397A (en) * 2018-10-19 2019-01-15 安徽中志轨道交通装备制造有限公司 A kind of wing rail rail head compacting heightening type alloy steel combination frog
CN109518546A (en) * 2018-12-19 2019-03-26 中国铁建重工集团有限公司 A kind of split type interval iron for railway switch

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