CN105625107A - Track turnout structure - Google Patents
Track turnout structure Download PDFInfo
- Publication number
- CN105625107A CN105625107A CN201610148349.9A CN201610148349A CN105625107A CN 105625107 A CN105625107 A CN 105625107A CN 201610148349 A CN201610148349 A CN 201610148349A CN 105625107 A CN105625107 A CN 105625107A
- Authority
- CN
- China
- Prior art keywords
- rail
- interval iron
- shock
- wing
- heart
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B7/00—Switches; Crossings
- E01B7/10—Frogs
- E01B7/14—Frogs with movable parts
Abstract
The invention provides a track turnout structure.Interval iron (3) of the track turnout structure comprises an interval iron body (4) and a connecting assembly (5) which comprises a connecting bolt (6) and a connecting nut (7), wherein the connecting bolt (6) is designed into a structure of sequentially penetrating through wing rails (1), the interval iron body (4) and point rails (2), the connecting nut (7) is in screwed connection with the connecting bolt (6) which sequentially penetrates through the wing rails (1), the interval iron body (3) and the point rails (2), and the connecting bolt (6) is sleeved with a damping sleeve (8) which is of a sleeve structure.The track turnout structure is simple and capable of buffering and decomposing shear force produced by interaction between the point rails and the wing rails during stress, shear force on the connecting bolt of the interval iron is greatly reduced, the risk that the connecting bolt is shorn is effectively reduced, the replacement period is shortened, and cost is saved.
Description
Technical field
The present invention relates to a kind of rail switch structure.
Background technology
The existence of common rail gap in the frog, limits the speed of train by rail switch, very unfavorable to needing to start train at a high speed. Therefore, devise movable center points as required. The topmost feature of movable head rail switch is that the long heart rail of railway frog can be pulled. When opening a direction station track, just consistent with the opening direction wing rail of the railway frog of active heart rail long heart rail is closely connected, separates with another wing rail, and so, the idle space of common track switch is not just present in. Movable center points has eliminated gap in the frog so that driving is more steady, and vehicle is less by the speed limit of railway frog. But, in movable head rail switch, long heart rail front end and wing rail end are all free states; Connected by interval iron between the two; Owing to rail is subject to the impact of temperature variation, producing TEMPERATURE FORCE therein, heart rail and wing rail can produce horizontal dislocation and move; In moving process, the interval iron bolt connecting both can be cut off because being subject to bigger shearing force usually; In addition, when driving, rail also can be produced horizontal surging force and longitudinal shearing force by wheel, all can shear bolt, when driving a vehicle or difference variation is bigger, the problem cut off by bolt even very easily occurs, thus affects normal operation.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of structure simple, the shearing force that heart rail and wing rail produce by interacting during power can be played buffering Decomposition, greatly reduce and act on shearing force on the joint bolt of interval iron, effectively reduce joint bolt and it is sheared risk, cost-saving rail switch structure.
Solving above-described technical problem, the technical scheme that the present invention takes is:
The present invention is a kind of rail switch structure, described rail switch structure comprises wing rail, heart rail, it is connected by interval iron between wing rail with heart rail, described interval iron comprises interval iron body, tie-in module, tie-in module comprises joint bolt, joint nut, joint bolt is set to pass successively the structure of wing rail, interval iron body, heart rail, joint nut, with being screwed be connected through the joint bolt of wing rail, interval iron body, heart rail successively, described joint bolt is set with the shock-absorbing sleeve of tube-in-tube structure.
Described shock-absorbing sleeve surface arranges the fluting penetrating shock-absorbing sleeve, and fluting is set to extend to the structure of shock-absorbing sleeve rear end end face from shock-absorbing sleeve front end surface, each setting fluting together on each shock-absorbing sleeve.
Described rail switch structure comprises many roads wing rail, and described rail switch structure also comprises the heart rail equal with wing rail quantity, every road wing rail with together with connected by multiple interval iron between heart rail.
Described rail switch structure comprises twice wing rail, described twice wing rail is respectively wing rail I and wing rail II, described rail switch structure also comprises twice heart rail, described twice heart rail is respectively long heart rail and heart rail followed by fork, described wing rail I is connected with long heart rail by multiple interval iron, and wing rail II is connected with heart rail with fork by multiple interval iron.
The interval iron connecting wing rail I and long heart rail is left interval iron, the joint bolt of left interval iron is set with left shock-absorbing sleeve, connecting wing rail II follows the interval iron of heart rail to be right interval iron with fork, being set with right shock-absorbing sleeve on the joint bolt of right interval iron, the fluting of left shock-absorbing sleeve is set to the structure relative with the slotting position of right shock-absorbing sleeve.
The width of the fluting that described shock-absorbing sleeve surface penetrates shock-absorbing sleeve is arranged between 4mm 10mm.
When being connected by interval iron between described wing rail with heart rail, the structure that the interval iron body of interval iron is set between wing rail and heart rail, the joint bolt of tie-in module is set to pass successively the structure of the respective through hole of wing rail, interval iron body, heart rail.
Adopt the technical scheme of the present invention, following useful effect can be obtained:
Rail switch structure of the present invention, by being set with shock-absorbing sleeve on joint bolt, select the spring steel with high-tensile, high elastic limit and high-fatigue strength as making material due to shock-absorbing sleeve, therefore, whole shock-absorbing sleeve has the stronger intensity bearing external force, when wing rail and heart rail be subject to external force effect produce stronger shearing force time, shock-absorbing sleeve can bear bigger part shearing force, the shearing force being applied on joint bolt is obviously reduced, thus bigger shearing force can not be caused to cut off connection spiral shell. The rail switch structure of the present invention, structure is simple, the shearing force that heart rail and wing rail produce by interacting during power can be played buffering Decomposition, greatly reduce and act on shearing force on the joint bolt of interval iron, effectively reduce joint bolt and it is sheared risk, thus avoid joint bolt frequent breakage and need the frequent problem changed, reduce the replacement cycle, cost-saving.
Accompanying drawing explanation
Content expressed by each accompanying drawing of this specification sheets and the mark in figure are made brief description below:
Fig. 1 is the one-piece construction schematic diagram of rail switch structure of the present invention;
Fig. 2 is the structural representation of the shock-absorbing sleeve of rail switch structure of the present invention;
Fig. 3 is the sectional structure schematic diagram in the A-A face of the shock-absorbing sleeve of the rail switch structure described in Fig. 2;
Fig. 4 is the left shock-absorbing sleeve of rail switch structure of the present invention and the cloth seated position structural representation of right shock-absorbing sleeve;
Accompanying drawing acceptance of the bid note is respectively: 1, wing rail; 2, heart rail; 3, interval iron; 4, interval iron body; 5, tie-in module; 6, joint bolt; 7, joint nut; 8, shock-absorbing sleeve; 9, slot; 10, shock-absorbing sleeve front end surface; 11, shock-absorbing sleeve rear end end face; 12, wing rail I; 13, wing rail II; 14, long heart rail; 15, fork is with heart rail; 16, left interval iron; 17, left shock-absorbing sleeve; 18, right interval iron; 19, right shock-absorbing sleeve.
Embodiment
Compare accompanying drawing below, by the description to embodiment, to the specific embodiment of the present invention as the effect and principle of work etc. of the mutual position between the shape of involved each component, structure, each several part and connection relation, each several part are described in further detail:
As shown in accompanying drawing 1 accompanying drawing 4, the present invention is a kind of rail switch structure, described rail switch structure comprises wing rail 1, heart rail 2, it is connected by interval iron 3 between wing rail 1 with heart rail 2, described interval iron 3 comprises interval iron body 4, tie-in module 5, tie-in module 5 comprises joint bolt 6, joint nut 7, joint bolt 6 is set to can pass wing rail 1 successively, interval iron body 4, the structure of heart rail 2, joint nut 7 is with successively through wing rail 1, interval iron body 3, the joint bolt 6 of heart rail 2 is screwed connection, described joint bolt 6 is set with the shock-absorbing sleeve 8 of tube-in-tube structure. said structure is arranged, by being set with shock-absorbing sleeve on joint bolt, select the spring steel with high-tensile, high elastic limit and high-fatigue strength as making material due to shock-absorbing sleeve, therefore, whole shock-absorbing sleeve has the stronger intensity bearing external force, when wing rail and heart rail be subject to external force effect produce stronger shearing force time, shock-absorbing sleeve can bear bigger part shearing force, the shearing force being applied on joint bolt is obviously reduced, thus bigger shearing force can not be caused to cut off connection spiral shell. rail switch structure of the present invention, structure is simple, the shearing force that heart rail and wing rail produce by interacting during power can be played buffering Decomposition, greatly reduce and act on shearing force on the joint bolt of interval iron, effectively reduce joint bolt and it is sheared risk, thus avoid joint bolt frequent breakage and need the frequent problem changed, cost-saving.
Described shock-absorbing sleeve 8 surface arranges the fluting 9 penetrating shock-absorbing sleeve 8, and fluting 9 is set to extend to the structure of shock-absorbing sleeve rear end end face 11 from shock-absorbing sleeve front end surface 10, each setting fluting 9 together on each shock-absorbing sleeve 8. The setting of fluting, when shock-absorbing sleeve is subject to external force, can shrink such that it is able to bears outside vibration power and hands over stress, plays the object absorbing political affairs East and handing over stress, reduces shearing force to the damage dynamics of joint bolt.
Described rail switch structure comprises many roads wing rail 1, and described rail switch structure also comprises the heart rail 2 equal with wing rail 1 quantity, every road wing rail 1 with together with connected by multiple interval iron 3 between heart rail 2.
Described rail switch structure comprises twice wing rail 1, described twice wing rail 1 is respectively wing rail I 12 and wing rail II 13, described rail switch structure also comprises twice heart rail 2, described twice heart rail 2 is respectively long heart rail 14 and heart rail 15 followed by fork, described wing rail I 12 is connected with long heart rail 14 by multiple interval iron 3, and wing rail II 13 is connected with heart rail 15 with fork by multiple interval iron 3.
As shown in Figure 4, the interval iron 3 connecting wing rail I 12 and long heart rail 14 is left interval iron 16, the joint bolt 6 of left interval iron 16 is set with left shock-absorbing sleeve 17, connecting wing rail II 13 follows the interval iron 3 of heart rail 15 to be right interval iron 18 with fork, being set with right shock-absorbing sleeve 19 on the joint bolt 6 of right interval iron 18, the fluting 9 of left shock-absorbing sleeve 16 is set to the relative structure in fluting 9 positions with right shock-absorbing sleeve 19.
The width of the fluting 9 that described shock-absorbing sleeve 8 surface penetrates shock-absorbing sleeve 8 is arranged between 4mm 10mm. Such width is arranged, guarantee that shock-absorbing sleeve is subject to absorb vibration power during power and hand over stress, again can by contraction control within the specific limits, shock-absorbing sleeve arrives after shrinking range limit, two end faces of the shock-absorbing sleeve forming fluting fit together, at this moment shock-absorbing sleeve can not shrink further, thus plays the effect that contraction scope controls.
When being connected by interval iron 3 between described wing rail 1 and heart rail 2, the structure that the interval iron body 4 of interval iron 3 is set between wing rail 1 and heart rail 2, the joint bolt 6 of tie-in module 5 is set to pass successively the structure of the respective through hole of wing rail 1, interval iron body 4, heart rail 2.
Rail switch structure of the present invention, by being set with shock-absorbing sleeve on joint bolt, select the spring steel with high-tensile, high elastic limit and high-fatigue strength as making material due to shock-absorbing sleeve, therefore, whole shock-absorbing sleeve has the stronger intensity bearing external force, when wing rail and heart rail be subject to external force effect produce stronger shearing force time, shock-absorbing sleeve can bear bigger part shearing force, the shearing force being applied on joint bolt is obviously reduced, thus bigger shearing force can not be caused to cut off connection spiral shell. The rail switch structure of the present invention, structure is simple, the shearing force that heart rail and wing rail produce by interacting during power can be played buffering Decomposition, greatly reduce and act on shearing force on the joint bolt of interval iron, effectively reduce joint bolt and it is sheared risk, thus avoid joint bolt frequent breakage and need the frequent problem changed, reduce the replacement cycle, cost-saving.
Above in conjunction with accompanying drawing to invention has been exemplary description; the concrete realization of obvious the present invention is not subject to the restrictions described above; as long as have employed the various improvement that the design of the method for the present invention carries out with technical scheme; or without improving, the design of the present invention and technical scheme directly applied to other occasions, all in protection scope of the present invention.
Claims (7)
1. a rail switch structure, described rail switch structure comprises wing rail (1), heart rail (2), it is connected by interval iron (3) between wing rail (1) with heart rail (2), it is characterized in that: described interval iron (3) comprises interval iron body (4), tie-in module (5), tie-in module (5) comprises joint bolt (6), joint nut (7), joint bolt (6) is set to can pass wing rail (1) successively, interval iron body (4), the structure of heart rail (2), joint nut (7) is with successively through wing rail (1), interval iron body (3), the joint bolt (6) of heart rail (2) is screwed connection, the shock-absorbing sleeve (8) of described joint bolt (6) upper suit tube-in-tube structure.
2. rail switch structure according to claim 1, it is characterized in that: described shock-absorbing sleeve (8) surface arranges the fluting (9) penetrating shock-absorbing sleeve (8), fluting (9) is set to extend to the structure of shock-absorbing sleeve rear end end face (11) from shock-absorbing sleeve front end surface (10), each shock-absorbing sleeve (8) upper each setting fluting (9) together.
3. rail switch structure according to claim 1, it is characterized in that: described rail switch structure comprises many roads wing rail (1), described rail switch structure also comprises the heart rail (2) equal with wing rail (1) quantity, every road wing rail (1) with together with connected by multiple interval iron (3) between heart rail (2).
4. rail switch structure according to claim 1, it is characterized in that: described rail switch structure comprises twice wing rail (1), described twice wing rail (1) is respectively wing rail I (12) and wing rail II (13), described rail switch structure also comprises twice heart rail (2), described twice heart rail (2) are respectively long heart rail (14) and heart rail (15) followed by fork, described wing rail I (12) is connected with long heart rail (14) by multiple interval iron (3), wing rail II (13) is connected with heart rail (15) with fork by multiple interval iron (3).
5. rail switch structure according to claim 4, it is characterized in that: the interval iron (3) connecting wing rail I (12) and long heart rail (14) is left interval iron (16), the joint bolt (6) of left interval iron (16) the left shock-absorbing sleeve of upper suit (17), connecting wing rail II (13) follows the interval iron (3) of heart rail (15) to be right interval iron (18) with fork, the joint bolt (6) of right interval iron (18) the right shock-absorbing sleeve of upper suit (19), the fluting (9) of left shock-absorbing sleeve (16) is set to the relative structure in fluting (9) position with right shock-absorbing sleeve (19).
6. rail switch structure according to claim 1, it is characterised in that: the width of the fluting (9) that described shock-absorbing sleeve (8) surface penetrates shock-absorbing sleeve (8) is arranged between 4mm 10mm.
7. rail switch structure according to claim 1, it is characterized in that: when being connected by interval iron (3) between described wing rail (1) and heart rail (2), the interval iron body (4) of interval iron (3) is set to the structure being positioned between wing rail (1) and heart rail (2), and the joint bolt (6) of tie-in module (5) is set to pass successively the structure of the respective through hole of wing rail (1), interval iron body (4), heart rail (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148349.9A CN105625107A (en) | 2016-03-15 | 2016-03-15 | Track turnout structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148349.9A CN105625107A (en) | 2016-03-15 | 2016-03-15 | Track turnout structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105625107A true CN105625107A (en) | 2016-06-01 |
Family
ID=56040422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610148349.9A Pending CN105625107A (en) | 2016-03-15 | 2016-03-15 | Track turnout structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105625107A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930430A (en) * | 2019-03-20 | 2019-06-25 | 浙江贝尔轨道装备有限公司 | A kind of small number railway frog of low noise using single active heart rail |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5522570A (en) * | 1992-07-22 | 1996-06-04 | Bwg Butzbacher Weichenbau Gmbh | Rail section |
| CN2570315Y (en) * | 2002-09-04 | 2003-09-03 | 北京铁路局保定工务器材厂 | Alloyed steel composite frog |
| EP1484447A2 (en) * | 2003-06-05 | 2004-12-08 | Hermann Ortwein | Support for special railway track structures |
| CN101381978A (en) * | 2007-10-25 | 2009-03-11 | 中铁宝桥股份有限公司 | Frog foot end elastic fixation system and fixation method |
| CN103410061A (en) * | 2013-05-10 | 2013-11-27 | 中铁宝桥集团有限公司 | Rotation type movable point rail frog |
| CN205420926U (en) * | 2016-03-15 | 2016-08-03 | 芜湖中铁科吉富轨道有限公司 | Rail turnout structure |
-
2016
- 2016-03-15 CN CN201610148349.9A patent/CN105625107A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5522570A (en) * | 1992-07-22 | 1996-06-04 | Bwg Butzbacher Weichenbau Gmbh | Rail section |
| CN2570315Y (en) * | 2002-09-04 | 2003-09-03 | 北京铁路局保定工务器材厂 | Alloyed steel composite frog |
| EP1484447A2 (en) * | 2003-06-05 | 2004-12-08 | Hermann Ortwein | Support for special railway track structures |
| CN101381978A (en) * | 2007-10-25 | 2009-03-11 | 中铁宝桥股份有限公司 | Frog foot end elastic fixation system and fixation method |
| CN103410061A (en) * | 2013-05-10 | 2013-11-27 | 中铁宝桥集团有限公司 | Rotation type movable point rail frog |
| CN205420926U (en) * | 2016-03-15 | 2016-08-03 | 芜湖中铁科吉富轨道有限公司 | Rail turnout structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930430A (en) * | 2019-03-20 | 2019-06-25 | 浙江贝尔轨道装备有限公司 | A kind of small number railway frog of low noise using single active heart rail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160601 |