CN105040533A - Pivot type turnout structure and turnout switching method - Google Patents
Pivot type turnout structure and turnout switching method Download PDFInfo
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- CN105040533A CN105040533A CN201510482581.1A CN201510482581A CN105040533A CN 105040533 A CN105040533 A CN 105040533A CN 201510482581 A CN201510482581 A CN 201510482581A CN 105040533 A CN105040533 A CN 105040533A
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- 238000005096 rolling process Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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Abstract
The invention relates to the technical field of straddle type monorail transit tracks, in particular to a pivot type turnout structure and a turnout switching method. The pivot type turnout structure comprises a turnout girder, a supporting assembly, a driving device and a locking device. The tail end of the turnout girder is connected with a foundation slab through a rotating assembly in a single-surface rotation mode, the driving device is connected to the middle of the turnout girder and used for releasing force driving the turnout girder to achieve single-surface rotation, and the locking device is arranged at the head end of the turnout girder and used for locking the turnout girder and a track beam. The supporting assembly is located below the turnout girder, the upper portion of the supporting assembly is fixedly connected with the turnout girder, and a rolling wheel is arranged on the lower portion of the supporting assembly. The turnout girder can be driven integrally, rotates conveniently and is simple in structure.
Description
Technical Field
The invention relates to the technical field of straddle type monorail traffic tracks, in particular to a pivot type turnout structure and a turnout switching method.
Background
The light rail is an important component in urban rail transit, and can well solve the problem of traffic congestion in cities with large relative altitude difference, dense population, narrow roads, multiple curves and urgent traffic congestion. In particular to a straddle type monorail traffic light rail which is more suitable for the traffic condition of modern cities.
The straddle type monorail transit is a transit system which takes a track beam as a track and runs on the track beam by a train straddle seat, namely, the movement of the train is supported, stabilized and guided by a single track beam. The technical characteristics are mainly reflected in three aspects of a bogie, a track beam and a line turnout of a vehicle, the running mechanism is completely different from that of a steel wheel and rail system, and the track beam bears larger torsional load. According to the records, the straddle type monorail has the characteristics of small occupied space, good terrain adaptability, comfort, environmental protection and the like; and is more suitable for cities with complex terrains.
The straddle type single-track traffic track structure consists of three parts, namely a track beam, a pillar (comprising a joist and a foundation) and a turnout, wherein the turnout is a connecting device for transferring a vehicle from one track to another track, and is usually laid in a large number in stations, vehicle sections and parking lots; at present, domestic single-rail switches can be divided into joint type switches and joint flexible type switches according to structural forms. The turnout beam forms a fold line shape when the former turnout is switched; the latter can make the turnout beam approximately continuously complete the curve line shape when switching the turnout.
The existing single-rail transit system turnout in China is mainly a joint type turnout, and is relatively complex in structure, high in failure rate, large in maintenance and repair engineering quantity, short in service life and high in cost.
Disclosure of Invention
The embodiment of the invention provides a pivot type turnout structure and a turnout switching method, which can solve the problem of integral switching of turnout beams.
According to an aspect of the present invention, there is provided a pivot-type switch structure including: the turnout comprises a turnout beam, a support assembly, a driving device and a locking device; wherein,
the tail end of the turnout beam is rotatably connected with the single surface of the foundation slab through a rotating assembly; the middle part of the turnout beam is connected with a driving device; the driving device is used for releasing the force for driving the single surface of the turnout beam to rotate; the head end of the turnout beam is provided with the locking device, and the locking device is used for locking the turnout beam and the track beam;
the supporting component is arranged below the turnout beam, the upper part of the supporting component is fixedly connected with the turnout beam, and the lower part of the supporting component is provided with rolling wheels.
In some embodiments, preferably, the single-surface rotatable connection comprises: the bearing structure comprises a shaft, a bearing and a shaft sleeve, the bearing is sleeved on the shaft, and the bottom of the bearing is fixed with the foundation bottom plate; the shaft sleeve is sleeved on the bearing and is connected with the supporting component through the connecting plate; the shaft is perpendicular to the plane of rotation of the switch beam.
In some embodiments, it is preferable that both ends of the shaft sleeve are provided with cover plates.
In some embodiments, preferably, the support assembly comprises: and a plurality of trolleys are uniformly distributed in the direction of the turnout beam.
In some embodiments, preferably, the connecting plate is fixedly connected to the adjacent bogie, and the upper portion of the bogie is bolted to the switch beam.
In some embodiments, preferably, the bottom of each said trolley is provided with a rail floor.
In some embodiments, preferably, the turnout beam is a box-shaped steel beam formed by enclosing a plurality of steel plates.
In some embodiments, preferably, the driving device includes: electric push rod and pull rod; the tail end of the electric push rod is installed on the mounting frame on the ground through a trunnion, the head end of the electric push rod is connected with one end of a pull rod, and the other end of the pull rod is connected to the middle of a turnout beam.
In some embodiments, preferably, the locking device comprises: the locking groove is arranged at the fixed section of the movable end, and the electric push rod and the lock pin are arranged at the head end of the turnout beam, the rear part of the electric push rod is fixedly connected with the head end of the turnout beam, the head part of the electric push rod is connected with the lock pin, and the shape of the lock pin is matched with that of the locking groove.
In another aspect of the present invention, there is provided a method for switching points using the above-mentioned pivot type switch structure, comprising:
the locking device unlocks according to the switch instruction and sends an unlocking completion signal to the driving device;
the driving device releases force to drive the turnout beam to rotate in the rotating surface of the turnout beam;
the turnout beam rotates by taking the tail end as a rotation center and drives the support assembly to move;
when the turnout beam rotates to a set position, the driving device sends a rotation completion signal to the locking device;
and the locking device starts locking operation according to the rotation completion signal to lock the turnout beam and the track beam.
Compared with the prior art, the pivot type turnout structure and the turnout switching method provided by the embodiment of the invention have the advantages that the tail end of the turnout beam is a rotary central point, and the head end of the turnout beam is a movable end and is connected with the track beam; the driving device drives the turnout beam to rotate, the supporting assembly supports the turnout beam and moves along with the turnout beam to reduce friction force generated in movement, and the turnout beam is locked together by the locking device after integrally rotating to a set position. The turnout beam is integrally driven, is convenient to rotate and has a simple structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be discussed below, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings can be obtained according to the embodiments shown in the drawings without creative efforts.
FIG. 1 is a schematic illustration of a pivot type switch configuration in accordance with one embodiment of the present invention;
FIG. 2 is a schematic illustration of a pivot type switch configuration in accordance with one embodiment of the present invention;
figure 3 is a schematic view of a single-faced pivotal connection of the trailing ends of switch beams in accordance with one embodiment of the present invention.
Note: 1, the tail end of a turnout beam; 2, rotating the assembly; 3, a turnout beam; 4, turning; 5 locking means; 6, the head end of a turnout beam; 7 a drive device; 8 a floor track; 9 a rotating shaft; 10 bearing; 11, a shaft sleeve; 12 connecting plates; 13 cover plate.
Detailed Description
The technical solutions of the embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any creative effort, are within the protection scope of the present invention.
In consideration of the problems of complex structure and troublesome operation of the existing straddle type monorail switch turnout beam, the embodiment provides a pivot type turnout structure and a turnout switching method.
A pivot-type switch structure, comprising: the turnout comprises a turnout beam, a support assembly, a driving device and a locking device; wherein,
the tail end of the turnout beam is rotatably connected with the single surface of the foundation slab through a rotating assembly; the middle part of the turnout beam is connected with a driving device which is used for releasing the force for driving the single surface of the turnout beam to rotate; the head end of the turnout beam is provided with a locking device, and the locking device is used for locking the turnout beam and the track beam;
the supporting component is arranged below the turnout beam, the upper part of the supporting component is fixedly connected with the turnout beam, and the lower part of the supporting component is provided with rolling wheels.
A method of performing switch operation using the pivot-type switch structure, comprising:
the locking device unlocks according to the switch instruction and sends an unlocking completion signal to the driving device;
the driving device releases force to drive the turnout beam to rotate;
the turnout beam rotates by taking the tail end as a rotation center and drives the support assembly to move;
when the turnout beam rotates to a set position, the driving device sends a rotation completion signal to the locking device;
and the locking device starts locking operation according to the rotation completion signal to lock the turnout beam and the track beam.
The tail end of the turnout beam is a rotary central point, and the head end of the turnout beam is a movable end and is connected with the track beam; the driving device drives the turnout beam to rotate, the supporting assembly supports the turnout beam to support and move along with the turnout beam so as to reduce friction force generated in movement, and the turnout beam is locked together by the locking device after integrally rotating to a set position. The turnout beam is integrally driven, is convenient to rotate and has a simple structure.
The following detailed description applies to a number of embodiments:
a pivotal switch structure for facilitating straddle type monorail switches, as shown in figures 1-3, comprising: the turnout comprises a turnout beam 3, a support assembly, a driving device 7 and a locking device 5; in which the switch beams 3 are the connecting devices that allow the vehicles to be transferred from one track to another, usually in large numbers at stations, vehicle sections and parking lots. Turnout roof beam tail end 1 is centre of gyration, and it is connected with soleplate unifacial rotation type through rotating assembly 2, and Turnout roof beam 3 rotates in a certain surface with soleplate, does not take place the motion in other directions, and this unifacial plane that is 3 points of turnout roof beam in-process pivoted planes. The drive mechanism 7 releases the force that drives the switch beam 3 to rotate in the surface, which is applied to the middle of the switch beam 3, driving the switch beam 3 to rotate. When the turnout beam 3 rotates to a set position and is connected with the track beam, the locking device 5 arranged at the head end 6 of the turnout beam locks the turnout beam 3 and the track, the turnout beam 3 is prevented from rotating accidentally, and the passing safety of a train is improved.
According to the number of the track beams corresponding to the head end 6 of the turnout beam, the pivot turnout comprises a split turnout, a triple split turnout and a quarto turnout.
The supporting component is arranged below the turnout beam 3, the upper part of the supporting component is fixedly connected with the turnout beam 3, rolling wheels are arranged on the lower part of the supporting component in order to reduce friction generated during rotation, and the supporting component rotates on a set track.
The above mentioned single surface rotary connection, as shown in fig. 3, includes the following specific structure: bearing structure and connecting plate, bearing structure includes: a rotating shaft 9, a bearing 10 and a shaft sleeve 11; the rotating shaft 9 is perpendicular to the rotating plane of the turnout, the bearing 10 and the shaft sleeve 11 are sequentially sleeved outside the rotating shaft 9, and the shaft sleeve 11 is connected with the supporting component through the connecting plate 12 to realize transmission. The lower end of the rotating shaft 9 is welded on the fixing plate and is fixed with the foundation slab.
In order to avoid the longitudinal movement of the rotating shaft in the turning process of the turnout, the upper end and the lower end of the shaft sleeve are provided with cover plates 13.
The above-mentioned supporting component, its concrete structure includes: many platform trucks 4 sets up in the below of switch roof beam 3, and its upper portion links firmly with switch roof beam 3 through the bolt, can confirm 4 amounts of platform trucks figure according to switch roof beam 3's length and load-bearing condition in the actual operation example. The trolley 4 is a driven part and is used for supporting the turnout beam 3 and reducing the friction resistance in the movement of the turnout beam 3.
The connecting plate at the tail end 1 of the turnout beam is connected with the trolley 4 nearest to the turnout beam, and when the turnout beam 3 rotates, the turnout beam 3 drives the trolley 4 to rotate together.
In order to increase the uniform support of the points 3 in all regions, a plurality of carriages 4 are distributed uniformly in the direction of the points 3.
When the turnout structure is arranged, the turning track of the turnout and the movement track of each trolley 4 are accurately calculated, so that the bottom of each trolley 4 is provided with a track bottom plate.
In the invention, the turnout beam 3 is not sectioned any more, the turnout beam 3 is a box-shaped steel beam formed by a plurality of steel plates in a surrounding mode, and the turnout beam 3 integrally rotates under the action of the driving device 7.
The driving device 7 in the above structure includes: the electric push rod, the pull rod and the pull rod connecting frame; the tail end of the electric push rod is arranged on the ground by adopting a trunnion, the joint at the head end is connected with one end of a pull rod through a pull rod connecting frame, and the other end of the pull rod is connected with a turnout beam 3. The turnout beam 3 carries out turnout switching action along with the electric push rod by extending and retracting.
Under the action of the driving device 7, the turnout beam 3 can rotate within a specified time by taking the rotating shaft at the tail end 1 of the turnout beam as the center, and the head end 6 of the turnout beam reaches the corresponding position to be in butt joint with the track beam.
Be equipped with locking device 5 in the switch beam head end 6, it includes: set up in the locking groove of expansion end fixed section and set up in the electric putter and the lockpin of switch roof beam head end 6, electric putter's rear portion fixed connection is in switch roof beam head end, and the lockpin is connected to the prelude, and the shape of lockpin cooperatees with the shape of locking groove, and switch roof beam 3 targets in place the back, and locking device 5 locks switch roof beam 3, and the lockpin just inserts the locking groove, realizes the locking, and platform truck 4 is also fixed thereupon.
The switch of the turnout beam switch structure can be divided into three steps of unlocking, switching and locking. The method specifically comprises the following steps:
the locking device unlocks according to the switch instruction and sends an unlocking completion signal to the driving device;
the driving device releases force to drive the turnout beam to rotate;
the tail end of the turnout beam rotates as a rotation center and drives the support assembly to move;
when the turnout beam rotates to a set position, the driving device sends a rotation completion signal to the locking device;
and the locking device starts locking operation according to the rotation completion signal to lock the turnout beam and the track beam.
Compared with the prior joint type turnout in China, the pivot type turnout has the advantages of smaller occupied area in a train yard, less maintenance and repair workload, longer service life, saved use and maintenance cost and capability of ensuring the comfort, safety and environmental protection of light rail running. According to the requirement of the line arrangement, 2 groups of pivot turnouts are butted to form a crossover.
The various embodiments provided by the invention can be combined with each other in any way according to the needs, and the technical solution obtained by the combination is also within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (10)
1. A pivot-type switch structure, comprising: the turnout comprises a turnout beam, a support assembly, a driving device and a locking device; wherein,
the tail end of the turnout beam is rotatably connected with the single surface of the foundation slab through a rotating assembly; the middle part of the turnout beam is connected with a driving device; the driving device is used for releasing the force for driving the single surface of the turnout beam to rotate; the head end of the turnout beam is provided with the locking device, and the locking device is used for locking the turnout beam and the track beam;
the supporting component is arranged below the turnout beam, the upper part of the supporting component is fixedly connected with the turnout beam, and the lower part of the supporting component is provided with rolling wheels.
2. The pivot-type switch structure as claimed in claim 1, wherein said single-faced pivotal connection comprises: the bearing structure comprises a shaft, a bearing and a shaft sleeve, the bearing is sleeved on the shaft, and the bottom of the bearing is fixed with the foundation bottom plate; the shaft sleeve is sleeved on the bearing and is connected with the supporting component through the connecting plate;
the shaft is perpendicular to the plane of rotation of the switch beam.
3. The pivot type switch structure as claimed in claim 2, wherein said bushing is provided with cover plates at both ends thereof.
4. The pivot-type switch structure as claimed in claim 1, wherein said support assembly includes: and a plurality of trolleys are uniformly distributed in the direction of the turnout beam.
5. The pivot type switch structure as claimed in claim 4, wherein said connecting plate is fixedly connected to adjacent said trolley, and an upper portion of said trolley is bolted to said switch beam.
6. The pivot-type switch structure as claimed in claim 4, wherein the bottom of each said trolley is provided with a rail bottom plate.
7. The pivot type switch structure as claimed in claim 1, wherein the switch beam is a box-shaped steel beam surrounded by a plurality of steel plates.
8. The pivot-type switch structure as claimed in any one of claims 1 to 7, wherein said driving means includes: electric push rod and pull rod; the tail end of the electric push rod is installed on a mounting frame on the ground through a trunnion, the head end of the electric push rod is connected with one end of a pull rod, and the other end of the pull rod is connected to the middle of the turnout beam.
9. The pivot-type switch structure as claimed in any one of claims 1 to 7, wherein said locking means comprises: the locking groove is arranged at the fixed section of the movable end, and the electric push rod and the lock pin are arranged at the head end of the turnout beam, the rear part of the electric push rod is fixedly connected with the head end of the turnout beam, the head part of the electric push rod is connected with the lock pin, and the shape of the lock pin is matched with that of the locking groove.
10. A method of performing switch points using the pivot-type switch structure of any one of claims 1-9, comprising:
the locking device unlocks according to the switch instruction and sends an unlocking completion signal to the driving device;
the driving device releases force to drive the turnout beam to rotate;
the turnout beam rotates by taking the tail end as a rotation center and drives the support assembly to move;
when the turnout beam rotates to a set position, the driving device sends a rotation completion signal to the locking device;
and the locking device starts locking operation according to the rotation completion signal to lock the turnout beam and the track beam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510482581.1A CN105040533B (en) | 2015-08-07 | 2015-08-07 | Pivot type turnout structure and turnout switching method |
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| CN201510482581.1A CN105040533B (en) | 2015-08-07 | 2015-08-07 | Pivot type turnout structure and turnout switching method |
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| CN105040533A true CN105040533A (en) | 2015-11-11 |
| CN105040533B CN105040533B (en) | 2017-04-19 |
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| CN201510482581.1A Active CN105040533B (en) | 2015-08-07 | 2015-08-07 | Pivot type turnout structure and turnout switching method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130478A (en) * | 2017-05-04 | 2017-09-05 | 中铁工程设计咨询集团有限公司 | Straddle-type monorail horizontal sliding rotary track switch and its application method |
| CN107178012A (en) * | 2017-04-14 | 2017-09-19 | 中铁工程设计咨询集团有限公司 | It may extend across the straddle-type shiftable track beam and its application method of road |
| CN107178013A (en) * | 2017-05-04 | 2017-09-19 | 中铁工程设计咨询集团有限公司 | The track girder and its application method of the removable docking of straddle-type |
| CN107620231A (en) * | 2017-10-31 | 2018-01-23 | 中铁第四勘察设计院集团有限公司 | A kind of track switch combination for sharing away line |
| CN109208399A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | The split switch structure of rotary type and rail system |
| CN109204344A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Trolley component and rail assembly for driving turnout junction girder to move |
| CN111172821A (en) * | 2020-01-07 | 2020-05-19 | 中铁工程设计咨询集团有限公司 | Suspension type single-rail single-shaft single-beam flat-turning turnout |
| CN112706799A (en) * | 2021-01-08 | 2021-04-27 | 重庆华渝重工机电有限公司 | Variable cross-section straddle type monorail turnout |
| CN112853822A (en) * | 2021-03-16 | 2021-05-28 | 中国铁建重工集团股份有限公司 | Switch assembly and control method of switch assembly |
| CN113371031A (en) * | 2020-03-09 | 2021-09-10 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Screw rod type turnout transfer device and electric suspension rail turnout with same |
| WO2022042338A1 (en) * | 2020-08-31 | 2022-03-03 | 中车长江车辆有限公司 | Rail transit turnout system |
| WO2023138652A1 (en) * | 2022-01-24 | 2023-07-27 | 中车长江运输设备集团有限公司 | Pivotal suspended monorail multi-turnout system and auxiliary switch device |
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| CN111472210B (en) * | 2020-04-09 | 2021-12-10 | 中国铁建重工集团股份有限公司 | Track turnout |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178012A (en) * | 2017-04-14 | 2017-09-19 | 中铁工程设计咨询集团有限公司 | It may extend across the straddle-type shiftable track beam and its application method of road |
| CN107178013A (en) * | 2017-05-04 | 2017-09-19 | 中铁工程设计咨询集团有限公司 | The track girder and its application method of the removable docking of straddle-type |
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| CN109208399A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | The split switch structure of rotary type and rail system |
| CN109204344A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Trolley component and rail assembly for driving turnout junction girder to move |
| CN109208399B (en) * | 2017-06-30 | 2020-08-25 | 比亚迪股份有限公司 | Rotary split turnout structure and track system |
| CN107620231B (en) * | 2017-10-31 | 2023-12-19 | 中铁第四勘察设计院集团有限公司 | Switch combination of sharing travel line |
| CN107620231A (en) * | 2017-10-31 | 2018-01-23 | 中铁第四勘察设计院集团有限公司 | A kind of track switch combination for sharing away line |
| CN111172821A (en) * | 2020-01-07 | 2020-05-19 | 中铁工程设计咨询集团有限公司 | Suspension type single-rail single-shaft single-beam flat-turning turnout |
| CN113371031A (en) * | 2020-03-09 | 2021-09-10 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Screw rod type turnout transfer device and electric suspension rail turnout with same |
| WO2022042338A1 (en) * | 2020-08-31 | 2022-03-03 | 中车长江车辆有限公司 | Rail transit turnout system |
| CN112706799A (en) * | 2021-01-08 | 2021-04-27 | 重庆华渝重工机电有限公司 | Variable cross-section straddle type monorail turnout |
| CN112853822A (en) * | 2021-03-16 | 2021-05-28 | 中国铁建重工集团股份有限公司 | Switch assembly and control method of switch assembly |
| WO2023138652A1 (en) * | 2022-01-24 | 2023-07-27 | 中车长江运输设备集团有限公司 | Pivotal suspended monorail multi-turnout system and auxiliary switch device |
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| CN105040533B (en) | 2017-04-19 |
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