CN107605307A - Switching mechanism, locking mechanism and anterior self-locking device - Google Patents
Switching mechanism, locking mechanism and anterior self-locking device Download PDFInfo
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- CN107605307A CN107605307A CN201710821254.3A CN201710821254A CN107605307A CN 107605307 A CN107605307 A CN 107605307A CN 201710821254 A CN201710821254 A CN 201710821254A CN 107605307 A CN107605307 A CN 107605307A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The present invention relates to technical field of rail traffic, specifically, is related to a kind of switching mechanism, locking mechanism and anterior self-locking device.Anterior self-locking device includes rotary shaft, turning arm, driving element, push rod, lock arm, limit element.Wherein, when the first push rod and rotary shaft are located at same straight line, and second push rod and rotary shaft when being located at same straight line, the anterior self-locking device is in dead-centre position, at dead-centre position, two push rod compresses in length are to shortest length, and after dead-centre position is crossed, the anterior self-locking device reaches latched position, and while anterior self-locking device locks to the front end of switching mechanism, realized by rear portion locking device and the rear portion of the locking mechanism is locked, further improve switching mechanism locking reliability.
Description
Technical field
The present invention relates to technical field of rail traffic, specifically, is related to a kind of switching mechanism, locking mechanism and front portion certainly
Locking device.
Background technology
Skeleton and drive mechanism of the switching mechanism as EMUs front end kuppe, in single-row operation, make at kuppe
In closing, lock-out state, complete train aerodynamics profile is formed, reduces windage and wind is made an uproar, while can also avoid inside
The part such as hitch encroached on by sleet；When needing coupled running, kuppe is set to be in unlatching, latched position, so as to hitch energy
It is enough complete, accessible to hang together, and can adapt to the influence that hitch pivot angle is brought when being run in different sweeps.
Switching mechanism is generally an independent part with locking mechanism, and it is carried out when switching mechanism is closed and is opened
Locking, to ensure that switching mechanism is maintained at closed or open position in track vehicle operation.
Traditional switching mechanism is generally latch minor with locking mechanism and locked, due to gap between lock pin and locked groove be present,
When switching mechanism loses source of the gas, locking is not firm enough, and switching mechanism has certain free gap, and rail vehicle can be made when running
Into the fine rotation of switching mechanism motion pivoted arm, mechanism has been damaged, while has also resulted in front end kuppe and is not closed completely,
Rain, snow, debris can enter inside kuppe, and the parts such as the hitch of inside are caused necessarily to encroach on.Therefore a kind of opening/closing machine is designed
Structure self-locking locking mechanism, can eliminate lock up gap when switching mechanism locks, at the same in off position under can also eliminate cabin
Free gap between door, avoids the invasion and attack of rain, snow, debris, has certain practical value.
Existing switching mechanism locking mechanism, as China Patent No. CN103510783B discloses a kind of opening with self-locking device
Mechanism is closed, is specifically disclosed directly below content：Switching mechanism includes bottom plate, radome fairing, radome fairing support arm and power source pusher cylinder,
Locking device is set between radome fairing support arm and power source pusher cylinder, the locking device side can be in radome fairing support arm
Being moved in first chute, opposite side is arranged in power source pusher cylinder, during switching mechanism opens or closes, locking dress
Put motion, can and radome fairing support arm formation mechanism dead point, locking device is vertical with radome fairing support arm during dead point, and spring pressure
It is reduced to most short.I.e. above-mentioned locking device is using a kind of vertical dead point mode, in this mode, need the roller devices of locking device with
First chute of radome fairing support arm extremely coordinates, once the first chute long-time stress deformation or roller devices damage, all will
Influence the formation at vertical dead point.
The content of the invention
It is an object of the invention to provide a kind of switching mechanism, locking mechanism and anterior self-locking device, pass through linear pattern dead point
Mode, it is ensured that locking mechanism reliability.
The technical scheme is that：A kind of anterior self-locking device of rail vehicle switching mechanism, the anterior self-locking device
Including：
Rotary shaft, rotary shaft are connected with switching mechanism bottom plate, and can be rotated relative to switching mechanism bottom plate；Turning arm,
Including first rotating arm and the second turning arm, two turning arms are with rotating axis connection, and can rotate and rotate with rotary shaft；
Driving element, driving element side are connected with switching mechanism bottom plate, and driving element opposite side is connected respectively with two turning arms, are driven
During dynamic member motion, two turning arm synchronous axial systems can be driven；Push rod, including the first push rod and the second push rod, the
One push rod is hinged with first rotating arm, and can be rotated with first rotating arm and be shunk and rotate, the second push rod and the second rotation
Pivoted arm is hinged, and can be rotated with the second turning arm and be shunk and rotate；Lock arm, including the first lock arm and the second lock arm,
First lock arm side is hinged with the first push rod, and can be shunk with the first push rod and be rotated and rotate, and the first lock arm is another
Side is connected with switching mechanism bottom plate, and can be rotated relative to switching mechanism bottom plate；Second lock arm side and the second push
Bar is hinged, and can be shunk with the second push rod and be rotated and rotate, and the second lock arm opposite side is connected with switching mechanism bottom plate, and
It can be rotated relative to switching mechanism bottom plate；Two lock arms can withstand on switching mechanism close stance after switching mechanism locking
Put at limited block；Limit element, limit element are connected with switching mechanism bottom plate, and two can be locked when switching mechanism locks
Fixed arm carries out spacing.Wherein, when the first push rod and rotary shaft are located at same straight line, and the second push rod and rotation axle position
When same straight line, the anterior self-locking device is in dead-centre position, and at dead-centre position, two push rod compresses in length are to most short
Length, and after dead-centre position is crossed, the anterior self-locking device reaches latched position.
Preferably, the rotary shaft is single main shaft, and single main shaft is connected simultaneously with two turning arms, and two turning arms are simultaneously
Rotated with common single main shaft rotation.
Preferably, the rotary shaft is double main shafts, including the first main shaft and the second main shaft, the first main shaft and the second main shaft
It is connected respectively with first rotating arm and the second turning arm, first rotating arm and the second turning arm are led with the first main shaft and second respectively
Axle rotates and rotated.
Preferably, the turning arm includes the first articulated section, second connecting portion and the 3rd articulated section, and turning arm passes through
One articulated section is hinged with driving element, and drives turning arm motion by driving element；Turning arm passes through second connecting portion and rotation
Axis connection, and turning arm can rotate and rotate with rotary shaft；Turning arm is hinged by the 3rd articulated section with push rod, and can be driven
Two push rod, which are shunk, to be rotated.
Preferably, the anterior self-locking device also includes the first additional shaft, the first additional shaft and rotation axis connection, and first
Additional shaft is linked with rotary shaft, and the first additional shaft is leant out to switching mechanism base plate external.
Preferably, first push rod and the second push rod use elastic rod.
Preferably, elastomer is set in the driving element, after dead-centre position is crossed, the front portion is maintained by elastomer
The elastic force of self-locking device simultaneously keeps self-locking state.
A kind of rail vehicle switching mechanism locking mechanism, the locking mechanism include：
Anterior self-locking device, anterior self-locking dress is the anterior self-locking device described in preceding claim；Actuated element, transmission
Element side is connected with driving element, and actuated element opposite side is hinged with two turning arms, and actuated element is used for driving element
Driving force be sent to two turning arms；Rear portion locking device, rear portion locking device are connected with actuated element, rear portion locking device
It can be moved with actuated element, and rear portion locking can be carried out to switching mechanism when anterior self-locking device locks.
Preferably, the actuated element includes：
Kinematic link, including the first kinematic link and the second kinematic link, two kinematic links respectively with two turning arms
It is be hinged, and two turning arms can be driven to rotate；Connecting rod mounting seat, connecting rod mounting seat are hinged with two kinematic links；Driving shaft, it is main
Moving axis side is connected with driving element, and is moved with driving element；Driving shaft opposite side is connected with connecting rod mounting seat, and the company of drive
Bar mounting seat is moved；Driving shaft is connected with rear portion locking device simultaneously, and drives rear portion locking device motion.
Preferably, the actuated element also includes transmission guide holder, and transmission guide holder is connected with switching mechanism bottom plate, passed
Action-oriented seat is provided with active shaft through-hole, and driving shaft moves along driving shaft via path all the time horizontal through active shaft through-hole.
Preferably, the actuated element also includes limit stops, and limit stops include two backwards to the first limit set
Position backstop and the second limit stops, two limit stops are respectively arranged at connecting rod mounting seat both sides, and the first limit stops direction
The rotation shaft side of anterior self-locking device, it is defined for the propulsion scope to driving element；Second limit stops direction
Guide holder side is driven, is defined for the reverse scope to driving element.
Preferably, the driving shaft is provided with connecting portion, and the driving shaft at connecting portion is arranged to horizontal plane, and connecting portion is used
It is spacing in being carried out to rear portion locking device, the connecting hole with active axis connection is set at connecting portion.
Preferably, the rear portion locking device includes：
Guide holder is locked, locking guide holder is connected with switching mechanism bottom plate；Locking guide holder is run through in bearing pin, bearing pin both sides,
And can be leant out when switching mechanism locks outside locking guide holder, rear portion locking is carried out to switching mechanism；Back link, back link
Side is hinged with driving shaft, and can be rotated with driving shaft；Back link opposite side and hinge, and bearing pin can be driven horizontal
Motion.
Preferably, the component that the rear portion locking device includes two sets of back links be arrangeding in parallel, bearing pin is formed, bearing pin
Including the first bearing pin and the second bearing pin, the both sides of two bearing pins are through locking guide holder；When switching mechanism locks, two bearing pins
Rear portion locking is carried out to switching mechanism both sides respectively；Back link includes the first back link and the second back link, two back links one
Side is hinged with driving shaft, and can be rotated with driving shaft；Two back link opposite sides, and can respectively with two hinges
Drive two bearing pin horizontal movements.
A kind of rail vehicle switching mechanism, the switching mechanism include locking mechanism described above.
The present invention having the beneficial effect that compared with prior art：
For the locking mechanism after dead-centre position is crossed, the elastic rod being provided with by push rod maintains have certain elastic force, even if
Driving element does not work, and can keep lock arm turned position, i.e., lock arm will not be caused to retract, and realizes the locking mechanism oneself
Lock, it is ensured that switching mechanism moves pivoted arm or kuppe hatch door is reliably maintained at and opens or closes position, avoids producing lock up gap,
Gap is constant between can ensureing kuppe hatch door when switching mechanism is closed, while switching mechanism locking reliability is improved
Avoid that kuppe hatch door flash stitch brings unsightly and the drawback such as sleet debris invasion and attack.
The locking mechanism can be also realized manually from locking, in order to when mechanical self-latching fails surely, can be achieved manually
Manually from locking, further to realize the reliability from locking mechanism.Such as when driving element loses source of the gas, can manually it pass through
Ratchet spanner drives the first additional shaft to rotate, and realizes the locking and unblock of locking mechanism, convenient and reliable.Avoid as traditional locking machine
Structure need to be separately provided so that manual operation checks window, reduce switching mechanism structural complexity.
The locking mechanism is provided with anterior self-locking device and rear portion locking device, and the locking is realized by anterior self-locking device
Mechanism locks to the front end of switching mechanism, is realized while front end locks further through rear portion locking device to the locking mechanism
Rear portion locks, and improves switching mechanism locking reliability.
Brief description of the drawings
Fig. 1 is the anterior self-locking device structural representation (one) with double main shafts；
Fig. 2 is the anterior self-locking device structural representation (two) with double main shafts；
Fig. 3 is the anterior self-locking device schematic diagram for not including driving element；
Fig. 4 is the anterior self-locking device structural representation with single main shaft；
Fig. 5 is the anterior self-locking device schematic diagram under released state；
Fig. 6 is locking mechanism structural representation；
Fig. 7 is actuated element structural representation；
Fig. 8 is rear portion locking device structure schematic diagram；
Fig. 9 is driving element structural representation；
Figure 10 is the locking mechanism released state schematic diagram；
Figure 11 is the locking mechanism lock-out state schematic diagram.
In figure, 1 rotary shaft；11 single main shafts；12 pairs of main shafts；One 121 main shaft；122 second main shafts；
2 first rotating arms；2 ' second turning arms；21 first articulated sections；22 second articulated sections；23 the 3rd articulated sections；
3 first push rod；3 ' second push rod；
4 first lock arms；4 ' second lock arms；
5 limit elements；51 first caging bolts；52 second caging bolts；
6 driving elements；61 drive links；62 first mounting seats；
7 switching mechanism bottom plates；
8 first additional shafts；
9 actuated elements；91 first kinematic links；91 ' second kinematic links；92 connecting rod mounting seats；93 driving shafts；94 transmissions
Guide holder；95 installing plates；96 first limit stops；96 ' second limit stops；97 connecting portions；98 connecting holes；
10 rear portion locking devices；101 locking guide holders；103 first bearing pins；103 ' second bearing pins；104 first back links；
104 ' second back links.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.
Referring to Fig. 1~Fig. 4, the present invention discloses a kind of anterior self-locking device of rail vehicle switching mechanism, the anterior self-locking
Device includes：
Rotary shaft 1, rotary shaft 1 are connected with switching mechanism bottom plate 7, and can be rotated relative to switching mechanism bottom plate 7；
Turning arm, including the turning arm 2 ' of first rotating arm 2 and second, two turning arms (2,2 ') are connected with rotary shaft 1,
And it can rotate and rotate with rotary shaft 1；
Driving element 6, the side of driving element 6 are connected with switching mechanism bottom plate 7, the opposite side of driving element 6 and two rotations
Arm (2,2 ') connects respectively, when driving element 6 is moved, two turning arms (2,2 ') can be driven to rotate；
Push rod, including the first push rod 3 and the second push rod 3 ', the first push rod 3 and first rotating arm 2 are be hinged, and
It can be rotated with first rotating arm 2 and shrink rotation, the second push rod 3 ' and the second turning arm 2 ' are be hinged, and can be with the second rotation
Pivoted arm 2 ' rotates and shrinks and rotate；
Lock arm, including the first lock arm 4 and the second lock arm 4 ', the side of the first lock arm 4 are cut with scissors with the first push rod 3
Connecing, and can be shunk with the first push rod 3 and rotate and rotate, the opposite side of the first lock arm 4 is connected with switching mechanism bottom plate 7, and
It can be rotated relative to switching mechanism bottom plate 7；The side of second lock arm 4 ' is be hinged with the second push rod 3 ', and can be pushed away with second
Send bar 3 ' to shrink to rotate and rotate, the opposite side of the second lock arm 4 ' is connected with switching mechanism bottom plate 7, and can be relative to opening/closing machine
Structure bottom plate 7 rotates；Two lock arms (4,4 ') can withstand on switching mechanism closed position limited block when switching mechanism locks
Place；
Limit element 5, limit element 5 are connected with switching mechanism bottom plate 7, and two can be locked when switching mechanism locks
Fixed arm (4,4 ') carries out spacing.
Wherein, when the first push rod 3 and rotary shaft 1 are located at same straight line, and the second push rod 3 ' and rotary shaft 1
When same straight line, the anterior self-locking device is in dead-centre position, at dead-centre position, two push rod (3,3 ') compresses in length
To shortest length, and after dead-centre position is crossed, i.e., crossed respectively in the first push rod 3 and the second push rod 3 ' each above-mentioned straight
During line, the anterior self-locking device reaches latched position.
To realize that limit element 5 includes the first caging bolt 51 and second to the reliable spacing of two lock arms (4,4 ')
Caging bolt 52, the first caging bolt 51 and the second caging bolt 52 are both secured to switching mechanism bottom plate 7, the first caging bolt 51
Two lock arms (4,4 ') are respectively facing with the nut side of the second caging bolt 52, when switching mechanism locks, the first spacing spiral shell
The nut side of the caging bolt 52 of bolt 51 and second withstands on two lock arm (4,4 ') sidepieces respectively, and two lock arms (4,4 ') are entered
Row is spacing.
The rotary shaft 1 of anterior self-locking device is used to carry out stress rotation in two turning arm (2,2 ') stress.To realize
Above-mentioned function, rotary shaft 1 can use 12 two kinds of structures of single main shaft 11 and double main shafts.During using single 11 structure of main shaft, referring to Fig. 4,
Single main shaft 11 and two turning arms (2,2 ') connect simultaneously, two turning arms (2,2 ') and meanwhile rotated with common single main shaft 11 and
Rotate.During using double main shafts 12, referring to Fig. 1~Fig. 3, double main shafts 12 include the first main shaft 121 and the second main shaft 122, the first master
The main shaft 122 of axle 121 and second is connected respectively with the turning arm 2 ' of first rotating arm 2 and second, the turning arm of first rotating arm 2 and second
2 ' rotate and rotate with the first main shaft 121 and the second main shaft 122 respectively.
With continued reference to Fig. 1~figure, turning arm is connected simultaneously with rotary shaft 1, push rod and the three of driving element 6, two rotations
Pivoted arm (2,2 ') structure is identical, passes through including the first articulated section 21, the articulated section 23 of second connecting portion 22 and the 3rd, turning arm
One articulated section 21 and driving element 6 are be hinged, and drive turning arm to move by driving element 6；Turning arm passes through second connecting portion 22
With rotating axis connection, and turning arm can rotate and rotate with rotary shaft 1；Turning arm is cut with scissors by the 3rd articulated section 23 with push rod
Connect, and in two turning arm (2,2 ') pivotings, two push rod (3,3 ') can be driven to shrink and rotated.
Push rod uses elastic rod, it is preferred to use and elastomeric spring body structure, elastomeric spring body structure can be compressed in stress,
And when stress mitigates, maintain certain elastic force.First push rod 3 and the structure of the second push rod 3 ' and the complete phase of operation principle
Together, its course of work is described by taking the first push rod 3 as an example below：
Referring to Fig. 5, in the unlocked state, the first push rod 3 does not stress, and its length keeps former long.When driving element 6 drives
When first rotating arm 2 rotates with rotary shaft 1, the first push rod 3 is pressurized and rotated, and when the first push rod 3 and rotary shaft 1 are located at
During same straight line, the anterior self-locking device reaches dead-centre position, and now the first push rod 3 is pressurized and its length reaches most short.Ginseng
See Fig. 2, Fig. 2 anterior self-locking device is in self-locking state, when driving element 6 drives first rotating arm 2 to continue around 1 turn of rotary shaft
When dynamic, the anterior self-locking device crosses dead-centre position, and the first push rod 3, which is pressurized, to be mitigated, the length elongation of the first push rod 3, now,
The side of first lock arm 4 is withstood at the first caging bolt 51, and it is spacing that the opposite side of the first lock arm 4 withstands on switching mechanism closed position
At block, reach self-locking position.Even if now driving element 6 does not work, because the first push rod 3-dimensional holds certain elastic force, pass through
The elastic force of first push rod 3, can keep the present position of the first lock arm 4, i.e., the first lock arm 4 will not be caused to retract, further
Ensure that the first lock arm 4 is withstood at the limited block of switching mechanism closed position all the time, it is ensured that switching mechanism moves pivoted arm or kuppe
Hatch door tightly closes, and realizes the self-locking of the anterior self-locking device.
With continued reference to Fig. 1~2, Fig. 4~5, driving element 6 preferably uses cylinder, and cylinder side connects with switching mechanism bottom plate 7
Connect, cylinder opposite side and two turning arms (2,2 ') connect respectively, Telescopic-cylinder move when, can drive two turning arms (2,
2 ') synchronous axial system.
The above-mentioned mechanical self-latching for the anterior self-locking device determines structure, and the anterior self-locking device can also be realized manually certainly
Locking, in order to when mechanical self-latching fails surely, such as when cylinder loses source of the gas, it can be achieved manually from locking, to enter one
Step realizes the reliability of the anterior self-locking device.To realize that it is attached that the anterior self-locking device also includes first manually from locking
Add axle 8, the first additional shaft 8 uses hexagonal cylindricality.First additional shaft 8 is connected with rotary shaft 1, and the first additional shaft 8 and rotary shaft 1
Linkage, because switching mechanism bottom plate 7 is run through in the side of rotary shaft 1, the first additional shaft 8 is connected to rotary shaft 1 and runs through switching mechanism bottom
The side of plate 7, and lean out to switching mechanism bottom plate 7, that is, expose to vehicle kuppe.When mechanical self-latching fails surely, i.e.,
Cylinder deactivation or when not working, manually can drive the first additional shaft 8, rotary shaft 1 rotate, and then drive two by ratchet spanner
Turning arm (2,2 ') rotates, and drives two push rod (3,3 '), two lock arms (4,4 ') to rotate, and realizes the anterior self-locking
The locking and unblock of device, it is convenient and reliable.
The anterior self-locking device of the present invention is in auto-lock process is realized, by crossing the first push rod 3 behind dead-centre position
And second the elastic force of push rod 3 ' keep the turned position of the first lock arm 4 and the second lock arm 4 ', and then ensure the first lock
The lock arm 4 ' of fixed arm 4 and second is withstood at the limited block of switching mechanism closed position all the time, realizes self-locking.Therefore, as the present invention
A kind of embodiment of anterior self-locking device, to further ensure that auto-lock process reliability, elasticity can be set in driving element 6
Body, after the first push rod 3 and the second push rod 3 ' cross dead-centre position, pass through the first push rod 3 and the second push rod
3 ' maintain the elastic force of the anterior self-locking device and keep self-locking state, and the elastomer by being set in driving element 6 maintains
The anterior self-locking device elastic force, and then keep self-locking state.
And the another embodiment as the anterior self-locking device of the present invention, the first push rod 3 and the second push rod
3 ' do not use elastic rod, elastomer are only set in driving element 6, when the first push rod 3 and the second push rod 3 ' are crossed extremely
Behind point position, the anterior self-locking device elastic force is only maintained by the elastomer set in driving element 6, and then keep self-locking shape
State.
Referring to Fig. 6, invention additionally discloses a kind of rail vehicle switching mechanism locking mechanism, the locking mechanism includes：
Anterior self-locking device, anterior self-locking device are anterior self-locking device described above；
Actuated element 9, the side of actuated element 9 are connected with driving element 6, the opposite side of actuated element 9 and two turning arms (2,
2 ') it is hinged, the driving force of driving element 6 is sent to two turning arms (2,2 ') by actuated element 9；
Rear portion locking device 10, rear portion locking device 10 are connected with actuated element 9, can be moved with actuated element 9, and can be
During anterior self-locking device locking, rear portion locking is carried out to switching mechanism；
Actuated element 9 is arranged between driving element 6 and anterior self-locking device, and as driving element 6 and anterior self-locking
The force transfer element of device, the driving force of driving element 6 is accurately smoothly sent to anterior self-locking device, to drive anterior self-locking
Device realizes self-locking and unblock.
Referring to Fig. 6, Fig. 7, actuated element 9 is included with lower component：
Kinematic link, including the first kinematic link 91 and the second kinematic link 91 ', the first kinematic link 91 and the second transmission
Connecting rod 91 ' is be hinged with the turning arm 2 ' of first rotating arm 2 and second respectively, and two kinematic links (91,91 '), which rotate, drives two rotations
Pivoted arm (2,2 ') rotates；
Connecting rod mounting seat 92, the side of connecting rod mounting seat 92 are connected with driving shaft 93, by the drivening rod mounting seat of driving shaft 93
92 motions；The opposite side of connecting rod mounting seat 92 and two kinematic links (91,91 ') are be hinged, and two transmissions can be promoted to connect simultaneously
Bar (91,91 ') rotates；
Driving shaft 93, the side of driving shaft 93 are connected with driving element 6, drive driving shaft 93 to move by driving element 6；Actively
The opposite side of axle 93 is connected with connecting rod mounting seat 92, and the motion of drivening rod mounting seat is moved by driving shaft 93；Driving shaft 93 simultaneously with
Rear portion locking device 10 connects, and driving shaft 93, which moves, will drive rear portion locking device 10 to be synchronized with the movement.
To ensure that driving shaft 93 also includes without departing from the motion path of setting, the actuated element 9 all the time in stretching motion
Guide holder 94 is driven, i.e., path of being stretched to driving shaft 93 by being driven guide holder 94 is defined.It is driven guide holder 94 and opening and closing
Organization soleplate 7 connects, and transmission guide holder 94 is provided with active shaft through-hole, and driving shaft 93 is suitable horizontal through active shaft through-hole, and all the time
The motion of driving shaft via path.Meanwhile be driven guide holder 94 and be provided with installing plate 95, it is connectable to by the installing plate 95
Rear portion locking device 10, so that rear portion locking device 10 is fixed with switching mechanism bottom plate 7.
And the range of movement for control driving element 6, the actuated element 9 also include limit stops, limit stops include
Two backwards to the first limit stops 96 and the second limit stops 96 ' set, the first limit stops 96 and the second limit stops 96 '
It is respectively arranged at the both sides of connecting rod mounting seat 92.And first limit stops 96 towards anterior self-locking device rotary shaft 1, and can to drive
The propulsion scope of dynamic element 6 is defined；The direction transmission guide holder 94 of second limit stops 96 ' side, and can be to driving member
The reverse scope of part 6 is defined.
Meanwhile for convenience of being connected with rear portion locking device 10, driving shaft 93 is provided with connecting portion 97, the master at connecting portion 97
Moving axis 93 is arranged to horizontal plane, spacing to be carried out to rear portion locking device 10, while two connecting holes 98 are set at connecting portion, with
Rear portion locking device 10 is facilitated to be connected with driving shaft 93.
According to foregoing description, rear portion locking device 10 is realized by driving shaft 93 and is connected with actuated element 9, and can be with transmission
Element 9 moves.When anterior self-locking device locks, rear portion locking is carried out to switching mechanism by rear portion locking device 10.Referring to Fig. 6
~8, rear portion locking device 10 includes：
Guide holder 101 is locked, locking guide holder 101 is connected with switching mechanism bottom plate 7；
Bearing pin, bearing pin both sides can lean out locking guide holder 101 through locking guide holder 101 when switching mechanism locks
Outside, rear portion locking is carried out to switching mechanism；
Back link, back link side is be hinged with driving shaft 93, and can be rotated with driving shaft 93；Back link opposite side and pin
Axle is hinged, and can drive bearing pin horizontal movement.
To realize rear locking two-way to switching mechanism, rear portion locking device 10 includes two sets of back links be arrangeding in parallel, pin
Shaft assembly, i.e., locked after the bilateral of switching mechanism can be achieved respectively.
To realize lock function after above-mentioned bilateral,
Bearing pin includes the first bearing pin 103 and the second bearing pin 103 ', and the both sides of two bearing pins (103,103 ') are through locking
Guide holder 101；First bearing pin 103 can lean out locking guide holder 101 outside side, to switching mechanism when switching mechanism locks
Side is locked；Second bearing pin 103 ' can lean out the locking outside opposite side of guide holder 101 when switching mechanism locks, split
Mechanism opposite side is closed to be locked.
Back link includes the first back link 104 and the second back link 104 ', and the first back link 104 and driving shaft 93 are be hinged,
And it can be rotated with driving shaft 93；The opposite side of first back link 104 and the first bearing pin 103 are be hinged, and can drive the first bearing pin
103 horizontal movements；Second back link 104 ' and driving shaft 93 are be hinged, and can be rotated with driving shaft 93；Second back link 104 '
Opposite side and the second bearing pin 103 ' are be hinged, and can drive the horizontal movement of the second bearing pin 103 '.
It should be noted that the first back link 104 and the second back link 104 ' when being hinged with driving shaft 93, pass through actively
Both are attached by two connecting holes 98 that axle 93 is provided with, and connect after driving the first back link 104 and second by driving shaft 93
The synchronous axial system of bar 104 ', and then when anterior self-locking device locks to switching mechanism, two bearing pins in rear portion locking device 10
(103,103 ') are inserted into the motion pivoted arm of switching mechanism or the lock hole of kuppe hatch door respectively, after being carried out to switching mechanism
Portion locks.
Referring to Fig. 6~9, to ensure that driving force is smoothly sent to turning arm by driving element 6, driving element 6 is further
Including the mounting seat 62 of drive link 61 and first, driving element 6 is connected by drive link 61 with driving shaft 93, and driving element 6 passes through
First mounting seat 62 is connected with switching mechanism bottom plate 7, and when driving element 6 is moved, only drive link 61 drives driving shaft 93 to move.
Referring to Figure 10, for the locking mechanism released state schematic diagram, in the unlocked state, the first push rod 3 does not stress.When
Driving element is moved, and when make it that the first push rod 3 and rotary shaft 1 be located at same straight line, and the second push rod 3 ' and is rotated
When axle 1 is located at same straight line, the anterior self-locking device reaches dead-centre position, and rear portion locking device 10 is with driving element during this period
6 motions.Referring to Figure 11, for the locking mechanism lock-out state schematic diagram, when driving element 6 continues to move so that the anterior self-locking
When device crosses dead-centre position, maintain have certain elastic force by two push rod (3,3 '), anterior self-locking device is reached from lock-bit
To put, two lock arms (4,4 ') are withstood at the limited block of switching mechanism closed position all the time, and anterior locking is carried out to switching mechanism, this
When, two bearing pins (103,103 ') of rear portion locking device 10 are inserted into the motion pivoted arm or kuppe hatch door of switching mechanism respectively
Lock hole in, to switching mechanism carry out rear portion locking.
Above-mentioned locking mechanism also includes feedback element, and feedback element is used to perceiving driving shaft 93 or drive cylinder piston rod
Movement position, and then judge that above-mentioned locking mechanism reaches latched position or unlocked position.When feedback element is used to perceive driving shaft
During 93 movement position, feedback element uses limit switch, feedback element be arranged at the rotary shaft 1 of anterior self-locking device and after
At the locking guide holder 101 of portion's locking device 10, the movement position of driving shaft 93 is perceived；Driven when feedback element is used to perceive
Take offence cylinder piston rod movement position when, feedback element uses magnetic switch, and magnetic switch is arranged at drive cylinder rear and front end, lead to
Perception cylinder piston rod upper magnetic ring position is crossed to perceive drive cylinder piston rod position.
Invention additionally discloses a kind of rail vehicle switching mechanism, and the switching mechanism includes above-mentioned locking mechanism, by above-mentioned
Locking mechanism carries out anterior locking to switching mechanism and rear portion locks.
Invention additionally discloses a kind of rail vehicle kuppe, the kuppe includes above-mentioned switching mechanism and above-mentioned locking machine
Structure, anterior locking and rear portion locking locking are carried out to switching mechanism by locking mechanism, and kuppe is ensured by switching mechanism
Hatch door can reliably be maintained at and open or close position, avoid producing lock up gap, ensure that kuppe cabin when switching mechanism is closed
Gap is constant between door.
Finally it should be noted that：Above example is merely to illustrate technical scheme, rather than is limited,
Although the present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part technical characteristic is equally replaced
Change.And these modifications or replacement, the essence of appropriate technical solution is departed from the model of various embodiments of the present invention technical scheme
Enclose.
Claims (14)
1. the anterior self-locking device of a kind of rail vehicle switching mechanism, it is characterised in that the anterior self-locking device includes：
Rotary shaft (1), rotary shaft (1) are connected with switching mechanism bottom plate (7), and can be rotated relative to switching mechanism bottom plate (7)；
Turning arm, including first rotating arm (2) and the second turning arm (2 '), two turning arms (2,2 ') connect with rotary shaft (1)
Connect, and can rotate and rotate with rotary shaft (1)；
Driving element (6), driving element (6) side are connected with switching mechanism bottom plate (7), driving element (6) opposite side and two
Turning arm (2,2 ') connects respectively, when driving element (6) is moved, can drive two turning arm (2,2 ') synchronous axial systems；
Push rod, including the first push rod (3) and the second push rod (3 '), the first push rod (3) are cut with scissors with first rotating arm (2)
Connecing, and can be rotated with first rotating arm (2) and shrink and rotate, the second push rod (3 ') and the second turning arm (2 ') are be hinged, and
It can be rotated with the second turning arm (2 ') and shrink and rotate；
Lock arm, including the first lock arm (4) and the second lock arm (4 '), the first lock arm (4) side and the first push rod (3)
It is be hinged, and can be shunk with the first push rod (3) and rotate and rotate, the first lock arm (4) opposite side and switching mechanism bottom plate (7)
Connection, and can be rotated relative to switching mechanism bottom plate (7)；Second lock arm (4 ') side is be hinged with the second push rod (3 '),
And can be shunk with the second push rod (3 ') and rotate and rotate, the second lock arm (4 ') opposite side connects with switching mechanism bottom plate (7)
Connect, and can be rotated relative to switching mechanism bottom plate (7)；Two lock arms (4,4 ') can withstand on after switching mechanism locking
At the limited block of switching mechanism closed position；
Limit element (5), limit element (5) are connected with switching mechanism bottom plate (7), and can be when switching mechanism locks, to two
Lock arm (4,4 ') carries out spacing.
Wherein, when the first push rod (3) and rotary shaft (1) are located at same straight line, and the second push rod (3 ') and rotary shaft
(1) when being located at same straight line, the anterior self-locking device is in dead-centre position, and at dead-centre position, two push rod (3,3 ') are long
Degree is compressed to shortest length, and after dead-centre position is crossed, the anterior self-locking device reaches latched position.
2. anterior self-locking device according to claim 1, it is characterised in that：The rotary shaft (1) is single main shaft (11), single
Main shaft (11) and two turning arms (2,2 ') connect simultaneously, two turning arms (2,2 ') while are rotated with common single main shaft (11)
And rotate.
3. anterior self-locking device according to claim 1, it is characterised in that：The rotary shaft (1) is double main shafts (12), is wrapped
Include the first main shaft (121) and the second main shaft (122), the first main shaft (121) and the second main shaft (122) respectively with first rotating arm
(2) connected with the second turning arm (2 '), first rotating arm (2) and the second turning arm (2 ') are respectively with the first main shaft (121) and the
Two main shafts (122) rotate and rotated.
4. anterior self-locking device according to claim 1, it is characterised in that：The turning arm includes the first articulated section
(21), second connecting portion (22) and the 3rd articulated section (23), turning arm are cut with scissors by the first articulated section (21) and driving element (6)
Connect, and turning arm motion is driven by driving element (6)；Turning arm is connected by second connecting portion (22) with rotary shaft (1), and is revolved
Pivoted arm can rotate and rotate with rotary shaft (1)；Turning arm is hinged by the 3rd articulated section (23) with push rod, and can drive two
Push rod (3,3 '), which is shunk, to be rotated.
5. anterior self-locking device according to claim 1, it is characterised in that：It is additional that the anterior self-locking device also includes first
Axle (8), the first additional shaft (8) are connected with rotary shaft (1), and the first additional shaft (8) links with rotary shaft (1), and first is additional
Axle leans out outside to switching mechanism bottom plate (7).
6. anterior self-locking device according to claim 1, it is characterised in that：First push rod (3) and the second push
Bar (3 ') uses elastic rod.
7. the anterior self-locking device according to claim 1 or 6, it is characterised in that：Elastomer is set in the driving element,
After dead-centre position is crossed, the elastic force of the anterior self-locking device is maintained by elastomer and keeps self-locking state.
8. a kind of rail vehicle switching mechanism locking mechanism, it is characterised in that the locking mechanism includes：
Anterior self-locking device, anterior self-locking dress is the anterior self-locking device described in claim 1~7；
Actuated element (9), actuated element (9) side are connected with driving element (6), actuated element (9) opposite side and two rotations
Arm (2,2 ') is be hinged, and actuated element (9) is used to the driving force of driving element (6) being sent to two turning arms (2,2 ')；
Rear portion locking device (10), rear portion locking device (10) are connected with actuated element (9), and rear portion locking device (10) can be with biography
Dynamic element (9) motion, and rear portion locking can be carried out to switching mechanism when anterior self-locking device locks.
9. locking mechanism according to claim 8, it is characterised in that：The actuated element (9) includes：
Kinematic link, including the first kinematic link (91) and the second kinematic link (91 '), two kinematic links (91,91 ') are respectively
It is be hinged with two turning arms (2,2 '), and two turning arms (2,2 ') can be driven to rotate；
Connecting rod mounting seat (92), connecting rod mounting seat (92) are be hinged with two kinematic links (91,91 ')；
Driving shaft (93), driving shaft (93) side are connected with driving element (6), and are moved with driving element (6)；Driving shaft (93)
Opposite side is connected with connecting rod mounting seat (92), and drivening rod mounting seat (92) is moved；
Driving shaft (93) while it is connected with rear portion locking device (10), and drives rear portion locking device (10) to move.
10. locking mechanism according to claim 9, it is characterised in that：The actuated element (9) also includes transmission guide holder
(94), it is driven guide holder (94) to be connected with switching mechanism bottom plate (7), transmission guide holder (94) is provided with active shaft through-hole, driving shaft
(93) horizontal through active shaft through-hole, and moved all the time along driving shaft via path.
11. locking mechanism according to claim 9, it is characterised in that：The actuated element (9) also includes limit stops,
Limit stops include two backwards to the first limit stops (96) and the second limit stops (96 ') that set, two limit stops
(96,96 ') are respectively arranged at connecting rod mounting seat (92) both sides, and the first limit stops (96) are towards the rotation of anterior self-locking device
Axle (1) side, for being defined to the propulsion scope of driving element (6)；Second limit stops (96 ') are oriented to towards transmission
Seat (94) side, for being defined to the reverse scope of driving element (6).
12. locking mechanism according to claim 8, it is characterised in that：The rear portion locking device (10) includes：
Guide holder (101) is locked, locking guide holder (101) is connected with switching mechanism bottom plate (7)；
Bearing pin, bearing pin both sides can lean out locking guide holder (101) through locking guide holder (101) when switching mechanism locks
Outside, rear portion locking is carried out to switching mechanism；
Back link, back link side is be hinged with driving shaft (93), and can be rotated with driving shaft (93)；Back link opposite side and pin
Axle is hinged, and can drive bearing pin horizontal movement.
13. locking mechanism according to claim 12, it is characterised in that：The rear portion locking device (10) includes two sets and put down
The component that back link, the bearing pin of row setting are formed,
Bearing pin includes the first bearing pin (103) and the second bearing pin (103 '), and the both sides of two bearing pins (103,103 ') are through locking
Guide holder (101)；When switching mechanism locks, two bearing pins (103,103 ') carry out rear portion locking to switching mechanism both sides respectively；
Back link includes the first back link (104) and the second back link (104 '), two back link (104,104 ') sides with
Driving shaft (93) is be hinged, and can be rotated with driving shaft (93)；Two back link (104,104 ') opposite sides are sold with two respectively
Axle (103,103 ') is be hinged, and can drive two bearing pin (103,103 ') horizontal movements.
14. a kind of rail vehicle switching mechanism, it is characterised in that the switching mechanism includes the lock described in claim 8~13
Determine mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710821254.3A CN107605307B (en) | 2017-09-13 | 2017-09-13 | Switching mechanism, locking mechanism and front self-locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710821254.3A CN107605307B (en) | 2017-09-13 | 2017-09-13 | Switching mechanism, locking mechanism and front self-locking device |
Publications (2)
| Publication Number | Publication Date |
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| CN107605307A true CN107605307A (en) | 2018-01-19 |
| CN107605307B CN107605307B (en) | 2019-05-10 |
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ID=61063897
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710821254.3A Active CN107605307B (en) | 2017-09-13 | 2017-09-13 | Switching mechanism, locking mechanism and front self-locking device |
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| CN (1) | CN107605307B (en) |
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| CN108437948A (en) * | 2018-05-11 | 2018-08-24 | 宁波利维能储能***有限公司 | Battery packages unloading system |
| CN109050550A (en) * | 2018-07-11 | 2018-12-21 | 中车青岛四方车辆研究所有限公司 | A kind of shutter used for rail vehicle |
| CN114084177A (en) * | 2021-12-24 | 2022-02-25 | 株洲九方装备股份有限公司 | Integrated frame opening and closing mechanism and rail transit vehicle |
| CN115230770A (en) * | 2022-08-01 | 2022-10-25 | 今创集团股份有限公司 | Novel front end opening and closing mechanism for motor train unit and motor train unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109050550B (en) * | 2018-07-11 | 2020-04-10 | 中车青岛四方车辆研究所有限公司 | Shutter for rail vehicle |
| CN114084177A (en) * | 2021-12-24 | 2022-02-25 | 株洲九方装备股份有限公司 | Integrated frame opening and closing mechanism and rail transit vehicle |
| CN115230770A (en) * | 2022-08-01 | 2022-10-25 | 今创集团股份有限公司 | Novel front end opening and closing mechanism for motor train unit and motor train unit |
| CN115230770B (en) * | 2022-08-01 | 2023-12-05 | 今创集团股份有限公司 | Novel front end opening and closing mechanism for motor train unit and motor train unit |
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|---|---|
| CN107605307B (en) | 2019-05-10 |
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