CN107757655A - A kind of track switch for becoming rail using cam path - Google Patents
A kind of track switch for becoming rail using cam path Download PDFInfo
- Publication number
- CN107757655A CN107757655A CN201711086013.5A CN201711086013A CN107757655A CN 107757655 A CN107757655 A CN 107757655A CN 201711086013 A CN201711086013 A CN 201711086013A CN 107757655 A CN107757655 A CN 107757655A
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- CN
- China
- Prior art keywords
- rail
- component
- track
- plate
- cam path
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/02—Mechanical devices for operating points or scotch-blocks, e.g. local manual control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
- B61L5/065—Construction of driving mechanism
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a kind of track switch for becoming rail using cam path, it is provided between two turnout rail components and becomes rail assembly, become rail assembly and realize that the driving to change rail driving plate is moved using the cam mode of cam canister and cam path, become rail driving plate and realize that lane change is realized in the side-to-side movement of control turnout rail component, the end of turnout rail component is arranged on track pillow using micro- rotary damping component.The present invention has abandoned the change rail driving of usual screw mandrel, changes by the way of cam path driving, cam path wearability is good, bigger vibration force may be born, the ability to bear for becoming rail is improved, enhances service life, ensure that and become rail safety, track switch is arranged on micro- rotary damping component by the present invention, track switch can make swing a little in lane change, prevent track switch by excessive rigid power, cause track switch fatigue problem, substantially increase the service life of track switch and the adaptivity of track switch lane change.
Description
Technical field
The present invention relates to a kind of track switch for becoming rail using cam path, belong to facilities for transport and communication technical field.
Background technology
In rail vehicle transportation, track switch is that a kind of connection for making rolling stock be transferred to another station track from a station track is set
Standby, and one of weak link of track, generally AT STATION, marshalling yard largely lays.There is track switch, circuit can be given full play to
Handling capacity.Even single-track railway, laying a switch, one section of cross wires for being more than train length is built, it is possible to split train.
Track switch plays an important role on rail track.The switch structure of purpose realizes lane change using screw mandrel mostly, for example China is specially
Sharp CN205917534U discloses a kind of track switch based on urban track traffic, and its rail changing device uses servomotor, servo
The output shaft of motor is connected with screw mandrel, and portable plate is connected with screw mandrel, and connecting shaft, servo electricity are connected with the top of portable plate
Machine work, then screw mandrel drive portable plate side-to-side movement, so as to can control turnout rail side-to-side movement, come realize to the left or
To lane change is carried out, still, the change rail of the track switch of this structure using screw mandrel due to being driven, because wheel can produce very when becoming rail
Big vibration force, screw mandrel driving extremely easily can cause screw mandrel to wear, and the lighter reduces its life-span, heavy then influence its lane change function,
Therefore, it is necessary to be improved to its rail changing device, meanwhile, current track switch is due to producing greatly vibration, for a long time using very
Easily cause switch location can not accurately ensure that track switch due to rigid effect, also easily causes track switch to deform under vibration, influence
Lane change.
The present invention is directed to problem above, there is provided a kind of track switch for becoming rail using cam path, becomes rail service life to improve
And become on the basis of rail accuracy, the deformation of track switch is prevented, improves the effect of its adaptive ability.
The content of the invention
To achieve the above object, the present invention provides following technical scheme:A kind of track switch for becoming rail using cam path, it includes
The component of track one, the component of track two, turnout rail component and change rail assembly, wherein, the component of track one includes being symmetrical set
Two tracks one, be arranged in pairs the turnout rail component, the end of the turnout rail component between two tracks one
The track two of the component of track two is provided with, is provided with change rail assembly between two turnout rail components, it is characterised in that the change
Rail assembly realizes and the driving for becoming rail driving plate is moved that the change rail driving plate is real using the cam mode of cam canister and cam path
The side-to-side movement of turnout rail component is now controlled, and then realizes lane change, and the end of the turnout rail component uses micro- rotation
Damper assembly is arranged on track pillow, and micro- rotary damping component allows the pendulum a little of -3-3 ° of the turnout rail component work
It is dynamic.
Further, preferably, the change rail assembly includes bottom plate, slide-and-guide plate, vertical driving plate, cam canister and step
Enter motor, wherein, the bottom plate is fixedly installed in pit, and the upper surface of the bottom plate is provided with to be arranged vertically with track
Guide groove, the slide-and-guide plate is equipped with along the slide, is erected on the slide-and-guide plate described in vertical connection
To driving plate, the top of the vertical driving plate is fixedly connected with the change rail driving plate, the change rail driving plate and the slip
Guide plate be arranged in parallel, and the top in the pit positioned at the bottom plate is rotatably provided with cam canister, the cam canister
Be provided at both ends with rotating shaft, the rotating shaft using bearings in the pit, one end of the rotating shaft using gear assembly with
Stepper drive motors drive connection, the stepper drive motors are fixedly installed on the bottom plate, on the excircle of the cam
Cam path is provided with, is provided with the driver slot extended vertically in the vertical driving plate, a driving bearing pin stretches into successively to be arranged on
In driver slot and cam path, rotated with to will pass through driving cam cylinder and realize moving left and right and then realizes and becoming rail drive for vertical driving plate
Dynamic plate moves left and right, and realization becomes rail to the left or to the right.
Further, preferably, micro- rotary damping component include upper connector, lower connector, damping connector, under
Fixation kit and support component, wherein, the support component includes lower shoe, middle spring plate and upper plate, the middle bullet
Property plate is arranged between the lower shoe and upper plate, and the middle part of the lower connection component is fixedly installed on the branch using bolt
On support component, and upper plate, middle spring part and lower shoe are set described in the screw bolt passes, and the lower connector includes
The engaging ear being wholely set and spacing section of wrapping, wherein, the left end bottom and right-hand member bottom of the lower connector are provided with card
Ear is closed, being provided with arc on the upside of the engaging ear described in two wraps spacing section, between spacing section of the wrapping of the arc at both ends
Enclosing and be set to a cavity, the upper connector includes linkage section, connecting section and the dip section being wholely set, wherein, the linkage section
It is fixedly connected with the bottom surface of turnout rail component, the side of the linkage section is provided with connecting section, and the bottom of the linkage section is set
The extended dip section of winding arc is equipped with, the end set of the dip section has winding head, and the winding head stretches into winding
Enclosed in spacing section of the wrapping in the cavity set, the damping connector connection is arranged on the winding head and the wrapping is spacing
Section between, and it is described damping connector upper end against the connecting section and linkage section for being arranged on the upper connector abutting groove
It is interior, the limited potential head of end set of the dip section for being wrapped in upper connector of the damping connector, the end of the dip section
And spacing section of end of wrapping is provided with stopper slot, the damping connector spacing is arranged on stopper slot using spacing
It is interior.
Further, preferably, the lower fixation kit includes dop, wedge, installing plate and connecting rod, wherein, it is described
Installing plate is fixedly installed in support component, is set between the installing plate and the dop using connecting rod connection, described
The end of dop, which compresses, to be arranged on engaging ear, and the wedge is arranged between the installing plate and dop, will pass through wedge
Shape block and dop are fixed ear is engaged, and position-adjustable is set between the wedge and the installing plate, and the wedge shape
There is auto-lock function between block and the installing plate.
Further, preferably, the bottom surface of the wedge is provided with teeth groove, the top surface of the installing plate is provided with self-locking
Tooth, self-locking is realized in teeth groove by the way that the self-locking tooth is spacing between the wedge and the installing plate.
Further, preferably, being provided with the spring groove to set to the concave on the dip section of the upper connector, a spring
Lower end is fixedly installed on the spring trench bottom, and the upper end of spring is resisted against damping connector surface, and the damping connector is adopted
It is made of elastic wear-resisting material.
Further, preferably, also including range sensor and controller, wherein, the range sensor sets in-orbit
On the component of road one and the component of track two, so as to measure turnout rail component respectively with the component of track one and the component of track two away from
From the controller memory storage is provided with the track of cam path, and the controller feeds back according to the distance of range sensor, and energy
It is enough that the position for becoming rail driving plate is accurately controlled according to the turnning circle of stepper drive motors and the path implementation of cam path.
Further, preferably, the controller is PLC.
Compared with prior art, the beneficial effects of the invention are as follows:
The present invention has abandoned the change rail driving of usual screw mandrel, changes by the way of cam path driving, and cam path wearability is good,
Bigger vibration force may be born, the ability to bear for becoming rail is improved, enhances service life, ensure that and become rail safety, meanwhile,
The present invention track switch is arranged on micro- rotary damping component, track switch can make swing a little in lane change, prevent track switch by
Excessive rigid power, causes track switch fatigue problem, substantially increases the service life of track switch and the adaptivity of track switch lane change.
Brief description of the drawings
Fig. 1 is a kind of application structure schematic diagram for the track switch for becoming rail using cam path of the present invention;
Fig. 2 is a kind of change rail assembly structural representation for the track switch for becoming rail using cam path of the present invention;
Fig. 3 is a kind of micro- rotary damping component structure diagram for the track switch for becoming rail using cam path of the present invention;
Fig. 4 is a kind of another example structure schematic diagram of the cam canister for the track switch for becoming rail using cam path of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-4 are referred to, the present invention provides a kind of technical scheme:A kind of track switch for becoming rail using cam path, it includes rail
The component of road one, the component of track two, turnout rail component 2 and change rail assembly, wherein, the component of track one includes what is be symmetrical set
Two tracks 1, the turnout rail component 2, the end of the turnout rail component 2 have been arranged in pairs between two tracks one
The track two of the component of track two is provided with, is provided with change rail assembly between two turnout rail components, it is characterised in that the change
Rail assembly realizes and the driving for becoming rail driving plate is moved that the change rail driving plate is real using the cam mode of cam canister and cam path
The side-to-side movement of turnout rail component is now controlled, and then realizes lane change, and the end of the turnout rail component uses micro- rotation
Damper assembly is arranged on track pillow, and micro- rotary damping component allows the pendulum a little of -3-3 ° of the turnout rail component work
It is dynamic.
Wherein, as Fig. 2, the change rail assembly include bottom plate 4, slide-and-guide plate 5, vertical driving plate 6, cam canister and stepping
Motor 9, wherein, the bottom plate 4 is fixedly installed in pit, and the upper surface of the bottom plate 4 is provided with cloth vertical with track
The guide groove put, the slide-and-guide plate 5 are equipped with along the slide, vertical connection institute on the slide-and-guide plate 5
State vertical driving plate 6, the top of the vertical driving plate 6 is fixedly connected with the change rail driving plate 3, the change rail driving plate 3 with
The slide-and-guide plate 5 be arranged in parallel, and the top in the pit positioned at the bottom plate is rotatably provided with cam canister, described
Cam canister is provided at both ends with rotating shaft 11, the rotating shaft 11 using bearings in the pit, one end of the rotating shaft 11
Using gear assembly 8 and the drive connection of stepper drive motors 9, the stepper drive motors 9 are fixedly installed on the bottom plate 4,
Cam path 12 is provided with the excircle of the cam, is provided with the driver slot 7 extended vertically in the vertical driving plate, one drives
Dynamic bearing pin 10 stretches into successively is arranged on driver slot with cam path, vertical driving plate is realized will pass through the rotation of driving cam cylinder
Move left and right and then realize and become moving left and right for rail driving plate, realization becomes rail to the left or to the right.
Such as Fig. 3, micro- rotary damping component includes upper connection, 25, lower connector 27, damping connector 20, lower fixation
Component and support component, wherein, the support component includes lower shoe 13, middle spring plate 14 and upper plate 15, the centre
Elastic plate 14 is arranged between the lower shoe 13 and upper plate 15, and the middle part of the lower connection component is fixed using bolt 29 to be set
Put in the support component, and upper plate, middle spring part and lower shoe are set described in the screw bolt passes, under described
Connector includes spacing section 26 of the engaging ear 28 being wholely set and wrapping, wherein, the left end bottom of the lower connector and right-hand member
Bottom is provided with engaging ear 28, and the upside of the engaging ear 28 described in two is provided with arc and wraps spacing section 26, both ends
Enclosed between spacing section of the wrapping of arc and be set to a cavity, the upper connector 25 includes linkage section, the connecting section 24 being wholely set
And dip section, wherein, the linkage section is fixedly connected with the bottom surface of turnout rail component, the side of the linkage section be provided with to
Section 24 is connect, the bottom of the linkage section is provided with the extended dip section of winding arc, and the end set of the dip section has
Winding head, the winding head stretch into around be located at it is described wrapping spacing section enclose in the cavity set, it is described damping connector 20 connection sets
Put between the winding head and spacing section of the wrapping, and the upper end of the damping connector 20 is against being arranged on the upper company
In the connecting section of fitting and the abutting groove of linkage section, the end of the dip section for being wrapped in upper connector of the damping connector 20
Limited location first 22 is set, and the end of the dip section and the end of spacing section of wrapping are provided with stopper slot 23, the damping
Connector spacing is arranged in stopper slot 23 using spacing first 22.
The lower fixation kit includes dop 19, wedge 18, installing plate 16 and connecting rod 21, wherein, the installing plate 16
It is fixedly installed in support component, is set between the installing plate 16 and the dop 19 using the connecting rod 21 connection, it is described
The end of dop 19, which compresses, to be arranged on engaging ear 18, and the wedge 18 is arranged between the installing plate and dop, so as to
Fixed by wedge and dop by ear is engaged, position-adjustable is set between the wedge and the installing plate, and institute
Stating has auto-lock function between wedge and the installing plate.
In the present embodiment, the bottom surface of the wedge is provided with teeth groove, and the top surface of the installing plate is provided with self-locking tooth
17, self-locking is realized in teeth groove by the way that the self-locking tooth is spacing between the wedge and the installing plate.
The spring groove to set to the concave is provided with the dip section of the upper connector, the lower end of a spring 31 is fixedly installed on
The spring trench bottom, the upper end of spring 31 are resisted against damping connector surface, and the damping connector uses elastic wear-resisting
Material is made.
In the present embodiment, in addition to range sensor and controller, wherein, the range sensor is arranged on track one
On component and the component of track two, to measure distance of the turnout rail component respectively with the component of track one and the component of track two, institute
The track that controller memory storage is provided with cam path, such as Fig. 2 are stated, the cam path is curvilinear structures, and the controller is according to distance
The distance feedback of sensor, and can be driven according to the turnning circle of stepper drive motors and the path implementation of cam path to becoming rail
The position of dynamic plate accurately controls.
As it is another be embodiment, cam path can use linear structure as shown in Figure 4.
It can be selected as PLC for controller.
The present invention has abandoned the change rail driving of usual screw mandrel, changes by the way of cam path driving, cam path is wear-resisting
Property it is good, bigger vibration force may be born, improve become rail ability to bear, enhance service life, ensure that become rail safety,
Meanwhile track switch is arranged on micro- rotary damping component by the present invention, track switch can make swing a little, prevent in lane change
Trouble is caused track switch fatigue problem by excessive rigid power, substantially increase track switch service life and track switch lane change from
Adaptability.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of track switch for becoming rail using cam path, it includes the component of track one, the component of track two, turnout rail component and becomes rail
Component, wherein, the component of track one includes two tracks one being symmetrical set, and has been arranged in pairs between two tracks one described
Turnout rail component, the end of the turnout rail component are provided with the track two of the component of track two, two turnout rail components
Between be provided with change rail assembly, it is characterised in that the rail assembly that becomes is realized pair using the cam mode of cam canister and cam path
Become the driving movement of rail driving plate, the side-to-side movement for becoming rail driving plate and realizing control turnout rail component, and then realize and become
Road, and the end of the turnout rail component is arranged on track pillow using micro- rotary damping component, micro- rotary damping group
Part allows the micro-swinging of -3-3 ° of the turnout rail component work, and the controller is PLC.
A kind of 2. track switch for becoming rail using cam path according to claim 1, it is characterised in that:The change rail assembly includes
Bottom plate, slide-and-guide plate, vertical driving plate, cam canister and stepper drive motors, wherein, the bottom plate is fixedly installed on pit
It is interior, the upper surface of the bottom plate be provided with the vertically arranged guide groove of track, the slide-and-guide plate is along the slide
It is equipped with, vertical driving plate described in vertical connection on the slide-and-guide plate, the top of the vertical driving plate is fixedly connected
The change rail driving plate, the change rail driving plate be arranged in parallel with the slide-and-guide plate, are located at the bottom plate in the pit
Top be rotatably provided with cam canister, the cam canister is provided at both ends with rotating shaft, the rotating shaft using bearings in
In the pit, one end of the rotating shaft is using gear assembly and stepper drive motors drive connection, the stepper drive motors
It is fixedly installed on the bottom plate, cam path is provided with the excircle of the cam, is provided with the vertical driving plate perpendicular
The driver slot directly extended, a driving bearing pin stretches into successively is arranged on driver slot with cam path, turning will pass through driving cam cylinder
Dynamic to realize moving left and right and then realizing moving left and right for change rail driving plate for vertical driving plate, realization becomes rail to the left or to the right.
A kind of 3. track switch for becoming rail using cam path according to claim 2, it is characterised in that:Micro- rotary damping group
Part includes upper connector, lower connector, damping connector, lower fixation kit and support component, wherein, the support component includes
Lower shoe, middle spring plate and upper plate, the middle spring plate are arranged between the lower shoe and upper plate, the lower company
The middle part of connected components is fixedly installed in the support component using bolt, and upper plate described in the screw bolt passes, in
Between elastic component and lower shoe set, the lower connector includes the engaging ear being wholely set and spacing section of wrapping, wherein, under described
The left end bottom and right-hand member bottom of connector are provided with engaging ear, and arc bag is provided with the upside of the engaging ear described in two
Enclosed between spacing section, spacing section of the wrapping of the arc at both ends and be set to a cavity, the upper connector includes the company being wholely set
Section, connecting section and dip section are connect, wherein, the linkage section is fixedly connected with the bottom surface of turnout rail component, the linkage section
Side is provided with connecting section, and the bottom of the linkage section is provided with the extended dip section of winding arc, the dip section
End set has a winding head, and the winding head, which stretches into, to be enclosed in the cavity set around being located at spacing section of the wrapping, the damping connection
Part connection is arranged between the winding head and spacing section of the wrapping, and the upper end of the damping connector is against being arranged on
State in the connecting section of upper connector and the abutting groove of linkage section, the dip section for being wrapped in upper connector of the damping connector
The limited potential head of end set, the end of the dip section and the end of spacing section of wrapping are provided with stopper slot, the damping
Connector spacing is arranged in stopper slot using spacing.
A kind of 4. track switch for becoming rail using cam path according to claim 3, it is characterised in that:The lower fixation kit bag
Dop, wedge, installing plate and connecting rod are included, wherein, the installing plate is fixedly installed in support component, the installing plate and institute
State and set using connecting rod connection between dop, the end of the dop, which compresses, to be arranged on engaging ear, and the wedge is set
Put between the installing plate and dop, with will pass through wedge and dop by engage ear fix, the wedge with it is described
Position-adjustable is set between installing plate, and has auto-lock function between the wedge and the installing plate.
A kind of 5. track switch for becoming rail using cam path according to claim 4, it is characterised in that:The bottom surface of the wedge
Be provided with teeth groove, the top surface of the installing plate is provided with self-locking tooth, between the wedge and the installing plate by it is described from
Tooth is spacing that self-locking is realized in teeth groove for lock.
A kind of 6. track switch for becoming rail using cam path according to claim 3, it is characterised in that:The upper connector is stretched
Enter the spring groove for being provided with and setting to the concave in section, the lower end of a spring is fixedly installed on the spring trench bottom, the upper end of spring
Damping connector surface is resisted against, the damping connector is made of elastic wear-resisting material.
A kind of 7. track switch for becoming rail using cam path according to claim 3, it is characterised in that:Also include range sensor
And controller, wherein, the range sensor is arranged on the component of track one and the component of track two, to measure turnout rail group
The part distance with the component of track one and the component of track two respectively, the controller memory storage is provided with the track of cam path, described
Controller feeds back according to the distance of range sensor, and can be according to the turnning circle of stepper drive motors and the rail of cam path
Mark, which is realized, accurately to be controlled the position for becoming rail driving plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711086013.5A CN107757655A (en) | 2017-11-07 | 2017-11-07 | A kind of track switch for becoming rail using cam path |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711086013.5A CN107757655A (en) | 2017-11-07 | 2017-11-07 | A kind of track switch for becoming rail using cam path |
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CN107757655A true CN107757655A (en) | 2018-03-06 |
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CN201711086013.5A Withdrawn CN107757655A (en) | 2017-11-07 | 2017-11-07 | A kind of track switch for becoming rail using cam path |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107839717A (en) * | 2017-11-07 | 2018-03-27 | 上海工程技术大学 | A kind of switch structure of urban track traffic |
CN113293658A (en) * | 2021-05-26 | 2021-08-24 | 燕山大学 | Suspension type ball-joint type two-degree-of-freedom hinge system special for turnout and working process thereof |
CN116674949A (en) * | 2023-06-15 | 2023-09-01 | 中国科学技术大学 | Novel rail-changing vacuum constant-temperature rail transportation device and implementation method |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107839717A (en) * | 2017-11-07 | 2018-03-27 | 上海工程技术大学 | A kind of switch structure of urban track traffic |
CN107839717B (en) * | 2017-11-07 | 2020-04-03 | 上海工程技术大学 | Switch structure of urban rail transit |
CN113293658A (en) * | 2021-05-26 | 2021-08-24 | 燕山大学 | Suspension type ball-joint type two-degree-of-freedom hinge system special for turnout and working process thereof |
CN116674949A (en) * | 2023-06-15 | 2023-09-01 | 中国科学技术大学 | Novel rail-changing vacuum constant-temperature rail transportation device and implementation method |
CN116674949B (en) * | 2023-06-15 | 2024-04-26 | 中国科学技术大学 | Rail-changing vacuum constant-temperature rail transportation device and implementation method |
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