CN105369697A - Three-throw turnout - Google Patents

Three-throw turnout Download PDF

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Publication number
CN105369697A
CN105369697A CN201510909543.XA CN201510909543A CN105369697A CN 105369697 A CN105369697 A CN 105369697A CN 201510909543 A CN201510909543 A CN 201510909543A CN 105369697 A CN105369697 A CN 105369697A
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CN
China
Prior art keywords
rail
switch
curve
railway
straight
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
CN201510909543.XA
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Chinese (zh)
Other versions
CN105369697B (en
Inventor
龙运生
刘语冰
卢泽坤
罗晓明
徐鸾玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUNAN ZHONGCHUANG RAILWAY ENGINEERING EQUIPMENT Co Ltd
Original Assignee
HUNAN ZHONGCHUANG RAILWAY ENGINEERING EQUIPMENT Co Ltd
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Priority to CN201510909543.XA priority Critical patent/CN105369697B/en
Publication of CN105369697A publication Critical patent/CN105369697A/en
Application granted granted Critical
Publication of CN105369697B publication Critical patent/CN105369697B/en
Active legal-status Critical Current
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/02—Tongues; Associated constructions
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/10—Frogs
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/10—Frogs
    • E01B7/12—Fixed frogs made of one part or composite
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/10—Frogs
    • E01B7/14—Frogs with movable parts
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2202/00—Characteristics of moving parts of rail systems, e.g. switches, special frogs, tongues
    • E01B2202/02—Nature of the movement
    • E01B2202/021—Turning or tilting or elastically bending
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2202/00—Characteristics of moving parts of rail systems, e.g. switches, special frogs, tongues
    • E01B2202/02—Nature of the movement
    • E01B2202/021—Turning or tilting or elastically bending
    • E01B2202/022—Turning or tilting or elastically bending about horizontal axis
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2202/00—Characteristics of moving parts of rail systems, e.g. switches, special frogs, tongues
    • E01B2202/08—Locking devices or mechanisms for inhibiting movement

Abstract

The invention discloses a three-throw turnout which is a different-direction asymmetric three-throw turnout. The three-throw turnout comprises a first trip switch, a second trip switch, a first fixed curved frog, a second fixed curved frog and a third fixed curved frog which are sequentially arranged. Forks on the side faces of the fixed curved frogs are not symmetrically distributed and are distributed in a front and back staggered mode so that the sharp corner of a switch rail can be set large and the steel rail head cross section at the same position can be wide, and therefore the strength of the switch rail can be enhanced, and service life can be prolonged. Point rails, for straight passage, of the fixed curbed frogs are straight lines, point rails, for lateral passage, of the fixed curbed frogs are curved lines, the radius of the point rails for lateral passage is the same as that of lead curve rails, in this way, equivalently the length of the lead curve rails is increased, and therefore the radius of lead curves can be increased under the condition of an existing station yard track, the lateral passage speed of a train is increased, and transportation efficiency is improved.

Description

A kind of three-throw turnout
Technical field
The present invention relates to a kind of railroad track linkage, particularly relate to a kind of three-throw turnout.
Background technology
Track switch is the basic linkage of one of railroad track, and the track switch that Ministry of Railways's " conventional track switch major parameter handbook " includes is divided into simple turnout, bilateral turnout, double slip swich, double crossover track switch.Three-throw turnout refers to the track switch of leading to three directions from a direction, three-throw turnout belongs to the one of special track switch, when the circuit needing to connect is more, and landform is restricted, on main line, just can not adopt three-throw turnout when continuous laying two simple turnouts, usually lay in marshalling yard, goods yard, locomotive depot.The three-throw turnout two side direction walking rail of current application is relatively straight symmetrical to walking rail center line, so also known as symmetrical three-throw turnout.This three-throw turnout, because railway switch being arranged two pairs of tongues simultaneously, four point of switch alignment, side direction tongue is near directly to tongue, and point of switch angle is less, and thus tongue intensity is not high, easily weares and teares, and assembling difficulty is larger.And, the stiff frog that existing three-throw turnout adopts is all straight line railway frog, namely two radical center rails are all straight line, lead curve rail is connected to the head end of straight line railway frog, the track switch of this structure, and lead curve is short, radius is little, therefore side direction allows that Negotiation speed is slower, as 50kg/m rail No. 7 jog radiuses are 150m, can not be greater than 30km/h laterally through speed, like this, also have impact on conevying efficiency.Existing three-throw turnout, because there is above-mentioned technological deficiency, so do not promote the use of, is not even included into " conventional track switch major parameter handbook ".
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind ofly can increase tongue intensity, can improve the three-throw turnout of train-side to Negotiation speed.
In order to solve the problems of the technologies described above, three-throw turnout of the present invention, comprises the first railway switch, the second railway switch, the first fixed curve railway frog, the second fixed curve railway frog and the 3rd fixed curve railway frog that set gradually;
Described first railway switch comprises two stock rails and two tip of a root rails; Described stock rail is respectively straight stock rail and bent stock rail; Described tongue is respectively straight switch and curved switch, and correspondence is arranged at inside bent stock rail and straight stock rail respectively;
Described second railway switch comprises two stock rails, two tip of a root rails and two lead curve rails; Described two stock rails are respectively straight stock rail and bent stock rail; Described two tip of a root rails are respectively straight switch and curved switch and correspondence is arranged at inside bent stock rail and straight stock rail respectively; Described two lead curve rails are respectively the first lead curve rail and the second lead curve rail and are arranged between two tongues respectively and outside straight stock rail, and are connected with the first railway switch curved switch and bent stock rail respectively; Described straight stock rail is connected with the straight tongue of the first railway switch; Described bent stock rail is connected with the straight stock rail of the first railway switch;
Described first fixed curve railway frog both sides wing rail is all curve, leftmost curve wing rail is connected with the curved switch of the first railway switch by lead curve rail, and namely lead curve rail one end is fixedly connected with the leftmost curve wing rail front end of fixing hyperbola railway frog, the lead curve rail other end is flexibly connected with the curved switch heel end of the first railway switch; The right side graph wing rail of the described first fixing hyperbola railway frog is directly flexibly connected with the curved switch heel end of the second railway switch;
It is straight line wing rail to current wing rail that described second fixed curve railway frog is used for straight, and the wing rail current for side direction is curve wing rail; Described straight line wing rail is fixedly connected with the straight stock rail of the second railway switch by straight line connecting rail, and namely straight line connecting rail one end is fixedly connected with the straight line wing rail front end of fixed curve railway frog, the straight line connecting rail other end is fixedly connected with the straight stock rail of the second railway switch; Described curve wing rail front end is fixedly connected with the first curved frog heart rail rear end; The heart rail rear end of described second fixed curve railway frog is fixedly connected on walking rail respectively;
It is straight line wing rail to current wing rail that described 3rd fixed curve railway frog is used for straight, and the wing rail current for side direction is curve wing rail; Described curve wing rail front end is fixedly connected with the heart rail rear end of the first fixed curve railway frog by lead curve walking rail; Described straight line wing rail front end is flexibly connected with the straight switch rear end of the second railway switch by walking rail; The heart rail rear end of described 3rd fixed curve railway frog is fixedly connected on walking rail respectively.
It is straight line to current heart rail that described fixed curve railway frog is used for straight, and the heart rail current for side direction is curve; The described heart rail radius passed through for side direction is identical with the lead curve rail radius be connected.
The heel of switch rail of described railway switch is flexibly connected by interval iron formula active joint.
Described fixed curve railway frog is bolted rail structure.
Guard rail is provided with inside each two walking rails of described stiff frog both sides.
Shared guard rail is established on the right side of described first fixed curve railway frog, the second fixed curve railway frog.
Described first fixed curve railway frog left hand guide rail adopts fixed intervals iron formula.
Two tip of a root rails of described first railway switch are connected to realize coordinated signals folding with a point switch by a pull bar.
Two tip of a root rails of described second railway switch are connected to realize coordinated signals folding with a point switch by a pull bar.
Described track switch is No. 7 three-throw turnouts, and rail specification is 50kg/m.
Adopt structure of the present invention, be not arranged symmetrically with to walking rail center line because two side direction walking rails are relatively straight, but walking rail position, side is forward, rearward, staggered positions is arranged in opposite side walking rail position, and thus left side two tip of a root rails are separated with right side two tip of a root rail, tongue wedge angle can arrange larger, the rail's end portion section of same position is wider, thus can increase tongue intensity, increase the service life.
It is straight line that fixed curve railway frog is used for the straight heart rail to passing through, the heart rail current for side direction is curve, the heart rail radius that side direction is current is identical with lead curve rail radius, so just be equivalent to the length extending lead curve rail, thus just can improve radius of lead curve under the condition on field wire road, existing station, to improve train-side to Negotiation speed, improve conevying efficiency.Structure of the present invention is particularly useful for subway 50kg/m rail No. 7 three-throw turnouts.Other three-throw turnouts can certainly be applicable to.Adopt structure of the present invention, radius of lead curve can increase 20-70%, and track switch can improve 20-50% laterally through speed, as No. 7 three-throw turnout radius of lead curve can be increased to 160-200m, reach as high as 30km/h laterally through speed; No. 8 three-throw turnout radius of lead curve can be increased to 180-220m, reach as high as 35km/h laterally through speed; No. 9 three-throw turnout radius of lead curve can be increased to 270-330m, reach as high as 45km/h laterally through speed.
Adopt structure of the present invention, use when arranging for metro depot track switch bottle-neck section, take up an area to save track switch bottle-neck section, save track-span, save track switch quantity, train-side can be improved to greatest extent to Negotiation speed, improve conevying efficiency, save and drop into construction fund.
Accompanying drawing explanation
Fig. 1 is switch structure schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail:
As shown in Figure 1, three-throw turnout of the present invention is incorgruous unsymmetrical three way turnout, comprises the first railway switch, the second railway switch, the first fixed curve railway frog 11, second fixed curve railway frog 12 and the 3rd fixed curve railway frog 13 that set gradually.
First railway switch comprises two stock rails and two tip of a root rails.Stock rail is respectively straight stock rail 3 and bent stock rail 4.Tongue is respectively straight switch 2 and curved switch 1, and correspondence is arranged at inside bent stock rail and straight stock rail respectively.
Second railway switch comprises two stock rails, two tip of a root rails and two lead curve rails.Two stock rails are respectively straight stock rail 7 and bent stock rail 8.Two tip of a root rails are respectively straight switch 6 and curved switch 5 and correspondence is arranged at inside bent stock rail and straight stock rail respectively.Two lead curve rails are respectively the first lead curve rail 10 and the second lead curve rail 9 and are arranged between two tongues respectively and outside straight stock rail, and adopt clamping plate to be connected with the first railway switch curved switch and bent stock rail respectively.Straight stock rail is connected with the straight tongue of the first railway switch.Bent stock rail adopts clamping plate to be connected with the straight stock rail of the first railway switch.
First fixed curve railway frog both sides wing rail is all curve, leftmost curve wing rail is connected with the curved switch of the first railway switch by lead curve rail, and namely lead curve rail one end is fixedly connected with the leftmost curve wing rail front end of fixing hyperbola railway frog, the lead curve rail other end is flexibly connected with the curved switch heel end of the first railway switch.The right side graph wing rail of the first fixing hyperbola railway frog is directly flexibly connected with the curved switch heel end of the second railway switch.
It is straight line wing rail to current wing rail that second fixed curve railway frog is used for straight, and the wing rail current for side direction is curve wing rail.Straight line wing rail is fixedly connected with the straight stock rail of the second railway switch by straight line connecting rail, and namely straight line connecting rail one end is fixedly connected with the straight line wing rail front end of fixed curve railway frog, the straight line connecting rail other end is fixedly connected with the straight stock rail of the second railway switch.Curve wing rail front end is fixedly connected with the first curved frog heart rail rear end.The heart rail rear end of the second fixed curve railway frog is fixedly connected on walking rail respectively.
It is straight line wing rail to current wing rail that 3rd fixed curve railway frog is used for straight, and the wing rail current for side direction is curve wing rail.Curve wing rail front end is fixedly connected with the heart rail rear end of the first fixed curve railway frog by lead curve walking rail.Straight line wing rail front end is flexibly connected with the straight switch rear end of the second railway switch by walking rail.The heart rail rear end of the 3rd fixed curve railway frog is fixedly connected on walking rail respectively.
It is straight line to current heart rail that fixed curve railway frog is used for straight, and the heart rail current for side direction is curve.The heart rail radius passed through for side direction is identical with the lead curve rail radius be connected.
The heel of switch rail of railway switch is flexibly connected preferably by interval iron formula active joint.
Fixed curve railway frog is bolted rail structure.
Guard rail is provided with inside each two walking rails of stiff frog both sides.
Shared guard rail is preferably established on the right side of first fixed curve railway frog, the second fixed curve railway frog.
First fixed curve railway frog guard rail preferably adopts fixed intervals iron formula.
Two tip of a root rails of the first railway switch are connected to realize coordinated signals folding with a point switch by a pull bar.
Two tip of a root rails of the second railway switch are connected to realize coordinated signals folding with a point switch by a pull bar.
Structure of the present invention is particularly useful for subway 50kg/m rail No. 7 three-throw turnouts.Other three-throw turnouts can certainly be applicable to.

Claims (10)

1. a three-throw turnout, is characterized in that: comprise the first railway switch, the second railway switch, the first fixed curve railway frog (11), the second fixed curve railway frog (12) and the 3rd fixed curve railway frog (13) that set gradually;
Described first railway switch comprises two stock rails and two tip of a root rails; Described stock rail is respectively straight stock rail (3) and bent stock rail (4); Described tongue is respectively straight switch (2) and curved switch (1), and correspondence is arranged at inside bent stock rail and straight stock rail respectively;
Described second railway switch comprises two stock rails, two tip of a root rails and two lead curve rails; Described two stock rails are respectively straight stock rail (7) and bent stock rail (8); Described two tip of a root rails are respectively straight switch (6) and curved switch (5) and correspondence is arranged at inside bent stock rail and straight stock rail respectively; Described two lead curve rails are respectively the first lead curve rail (10) and the second lead curve rail (9) and are arranged between two tongues respectively and outside straight stock rail, and are connected with the first railway switch curved switch and bent stock rail respectively; Described straight stock rail is connected with the straight tongue of the first railway switch; Described bent stock rail is connected with the straight stock rail of the first railway switch;
Described first fixed curve railway frog both sides wing rail is all curve, leftmost curve wing rail is connected with the curved switch of the first railway switch by lead curve rail, and namely lead curve rail one end is fixedly connected with the leftmost curve wing rail front end of fixing hyperbola railway frog, the lead curve rail other end is flexibly connected with the curved switch heel end of the first railway switch; The right side graph wing rail of the described first fixing hyperbola railway frog is directly flexibly connected with the curved switch heel end of the second railway switch;
It is straight line wing rail to current wing rail that described second fixed curve railway frog is used for straight, and the wing rail current for side direction is curve wing rail; Described straight line wing rail is fixedly connected with the straight stock rail of the second railway switch by straight line connecting rail, and namely straight line connecting rail one end is fixedly connected with the straight line wing rail front end of fixed curve railway frog, the straight line connecting rail other end is fixedly connected with the straight stock rail of the second railway switch; Described curve wing rail front end is fixedly connected with the first curved frog heart rail rear end; The heart rail rear end of described second fixed curve railway frog is fixedly connected on walking rail respectively;
It is straight line wing rail to current wing rail that described 3rd fixed curve railway frog is used for straight, and the wing rail current for side direction is curve wing rail; Described curve wing rail front end is fixedly connected with the heart rail rear end of the first fixed curve railway frog by lead curve walking rail; Described straight line wing rail front end is flexibly connected with the straight switch rear end of the second railway switch by walking rail; The heart rail rear end of described 3rd fixed curve railway frog is fixedly connected on walking rail respectively.
2. three-throw turnout according to claim 1, is characterized in that: described fixed curve railway frog is used for being directly straight line to current heart rail, and the heart rail current for side direction is curve; The described heart rail radius passed through for side direction is identical with the lead curve rail radius be connected.
3. three-throw turnout according to claim 1 or 2, is characterized in that: the heel of switch rail of described railway switch is flexibly connected by interval iron formula active joint.
4. three-throw turnout according to claim 1 or 2, is characterized in that: described fixed curve railway frog is bolted rail structure.
5. three-throw turnout according to claim 1 or 2, is characterized in that: be provided with guard rail inside each two walking rails of described stiff frog both sides.
6. three-throw turnout according to claim 1 or 2, is characterized in that: establish shared guard rail on the right side of described first fixed curve railway frog, the second fixed curve railway frog.
7. three-throw turnout according to claim 1 or 2, is characterized in that: described first fixed curve railway frog left hand guide rail adopts fixed intervals iron formula.
8. three-throw turnout according to claim 1 or 2, is characterized in that: two tip of a root rails of described first railway switch are connected to realize coordinated signals folding with a point switch by a pull bar.
9. three-throw turnout according to claim 1 or 2, is characterized in that: two tip of a root rails of described second railway switch are connected to realize coordinated signals folding with a point switch by a pull bar.
10. three-throw turnout according to claim 1 or 2, is characterized in that: described track switch is No. 7 three-throw turnouts, and rail specification is 50kg/m.
CN201510909543.XA 2015-12-10 2015-12-10 A kind of three-throw turnout Active CN105369697B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN105369697B CN105369697B (en) 2016-10-05

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106087605A (en) * 2016-08-02 2016-11-09 芜湖中铁科吉富轨道有限公司 A kind of tramcar opens frog structure with three
CN106192611A (en) * 2016-08-22 2016-12-07 芜湖中铁科吉富轨道有限公司 A kind of trapezoidal track switch
CN106192610A (en) * 2016-07-12 2016-12-07 芜湖中铁科吉富轨道有限公司 Track three-throw turnout
CN109487642A (en) * 2018-09-28 2019-03-19 四川易亨机械制造有限公司 Railway switch structure and rail system for rubber road junction
CN114435426A (en) * 2022-01-04 2022-05-06 通号城市轨道交通技术有限公司 Interlocking control method and device for three-throw turnout

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006118A1 (en) * 1985-04-09 1986-10-23 James Keith Glaspy Three-way railway switching points
CN202208869U (en) * 2011-07-20 2012-05-02 铁道第三勘察设计院集团有限公司 Symmetrical three-throw turnout for line rails of urban rail transit engineering
CN205223746U (en) * 2015-12-10 2016-05-11 湖南中创轨道工程装备有限公司 Symmetrical three throw turnout

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986006118A1 (en) * 1985-04-09 1986-10-23 James Keith Glaspy Three-way railway switching points
CN202208869U (en) * 2011-07-20 2012-05-02 铁道第三勘察设计院集团有限公司 Symmetrical three-throw turnout for line rails of urban rail transit engineering
CN205223746U (en) * 2015-12-10 2016-05-11 湖南中创轨道工程装备有限公司 Symmetrical three throw turnout

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Title
长沙铁道学院，北方交通大学: "《铁路站场及枢纽》", 31 December 1981 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106192610A (en) * 2016-07-12 2016-12-07 芜湖中铁科吉富轨道有限公司 Track three-throw turnout
CN106087605A (en) * 2016-08-02 2016-11-09 芜湖中铁科吉富轨道有限公司 A kind of tramcar opens frog structure with three
CN106087605B (en) * 2016-08-02 2018-02-06 芜湖中铁科吉富轨道有限公司 A kind of tramcar opens frog structure with three
CN106192611A (en) * 2016-08-22 2016-12-07 芜湖中铁科吉富轨道有限公司 A kind of trapezoidal track switch
CN109487642A (en) * 2018-09-28 2019-03-19 四川易亨机械制造有限公司 Railway switch structure and rail system for rubber road junction
CN109487642B (en) * 2018-09-28 2020-11-27 四川易亨机械制造有限公司 Switch structure for rubber crossing and rail system
CN114435426A (en) * 2022-01-04 2022-05-06 通号城市轨道交通技术有限公司 Interlocking control method and device for three-throw turnout
CN114435426B (en) * 2022-01-04 2024-04-12 通号城市轨道交通技术有限公司 Interlocking control method and device for three-way switch

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