CN104554282B - Safety pedal for rail transportation platform - Google Patents
Safety pedal for rail transportation platform Download PDFInfo
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- CN104554282B CN104554282B CN201410338620.6A CN201410338620A CN104554282B CN 104554282 B CN104554282 B CN 104554282B CN 201410338620 A CN201410338620 A CN 201410338620A CN 104554282 B CN104554282 B CN 104554282B
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- Prior art keywords
- fixed frame
- frame base
- slider bar
- movable push
- bar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
- B61B1/02—General arrangement of stations and platforms including protection devices for the passengers
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a safety pedal for a rail transportation platform, which comprises a fixed frame base, a sliding frame and a pedal part. The pedal part is fixedly arranged at the front end of the sliding frame; the sliding frame is connected with roller-type sliding block sets on the fixed frame base in an insertion manner by sliding rails so as to implement telescopic motion. By the telescopic safety pedal, the problem of the potential safety hazard brought to passengers by a gap between the platform and a train door of a train can be effectively solved and obstruction cannot be caused for the train in the running process. Moreover, by coaxial three points (more points also can be provided), the safety pedal is synchronously controlled to extend and retract and the sliding frame of the safety pedal can be subjected to multipoint stressing in the telescoping process so as to enable different positions of the sliding frame to be uniformly stressed in the transverse direction, thereby enabling the safety pedal to be difficult to deform in the long-term running process of the train, prolonging the service life of the safety pedal and ensuring the stability and safety of the safety pedal in the operation process.
Description
Technical field
The present invention relates to field of track traffic, more particularly to track traffic safeguard technology.
Background technology
During urban rail transit construction, in order to ensure the safety traffic of train, often stay between platform and train body
There is certain gap, thus bring certain potential safety hazard to passenger.Easily tripped by gap during passenger getting on/off or
Foot is snapped in gap because stepping on sky.In order to solve this problem, fixation is installed in existing part rail intersection road in platform edge
Rubber pedal, to reduce the gap between platform and train body, meanwhile, during train driving, even if producing with pedal
Friction, does not allow fragile car body yet.
But prior art has following deficiency：
First, although the gap between platform and car body reduces, but still exist, still there is potential safety hazard, for residual
For disease people, infant and the women that wears high heels, this is particularly problematic.
Secondly, during train driving, friction is easily produced between car body and pedal and is clashed into, long-term accumulated, it is easily right
Train causes to damage.Also, the spoilage of platform pedal is of a relatively high, and later maintenance cost is higher.
The content of the invention
The invention mainly solves the technical problem of a kind of rail traffic platform safety tread is provided, can be with effectively solving rail
The potential safety hazard for handing over the gap existed between platform and Train door to bring to passenger, and will not be to the train during traveling
Counteract.
In order to solve above-mentioned technical problem, the invention provides a kind of rail traffic platform safety tread, comprising：
Fixed frame base 400, slider bar 500 and tread elements 600, tread elements 600 are fixed on the front end of slider bar 500；
The fixed at least two groups roller type slide block groups at least three longitudinal beams 402 of fixed frame base 400, per group of rolling
Wheel-type slide block group includes at least one pair of roller type slide block 403, the fixed at least two groups parallel sliding tracks 503 of correspondence, position in slider bar 500
Put corresponding with the roller type slide block group on fixed frame base 400, slider bar 500 is by slide rail 503 and fixed frame base
Roller type slide block group plug-in type connection on 400；
On fixed frame base 400, fix a motor 801 and a power transmission shaft 804, the output shaft of the front end of motor 801 with
The synchronized links of power transmission shaft 804, drive the synchronous axial system of power transmission shaft 804 when motor 801 is rotated；
Fixed frame base 400 is fixed with least three transmission nodes on laterally-distinct position, and each node that is driven is with transmission
By Timing Belt synchronized links between axle 804, each Timing Belt is driven to be driven forward or backwards by power transmission shaft 804；
At least three buckles are fixed in slider bar 500, is connected to respectively at least three Timing Belt, with described each same
There is stretching motion in the transmission forward or backwards of step band.
By the safety tread, the peace that can be brought to passenger with the gap existed between effectively solving platform and Train door
Full hidden danger, and the train during traveling will not be counteracted.
By the flexible of coaxial 3 points (can also be more) Synchronization Control safety treads, it can be ensured that the slip of safety tread
Frame in telescopic process can multiple spot stress, so as to ensure slider bar uniform force on laterally-distinct position, and then when long
Between running in deformation is less likely to occur, extend its service life, it is ensured that its operation during stability and safety.
Used as further improvement, tread elements 600 can be profile of tooth antiskid pedal；Fixed frame pan frontward end is further fixed on one
Group fishback, is meshed with the profile of tooth antiskid pedal in slider bar 500.So as in profile of tooth antiskid pedal retraction fixed frame
During base 400, the rubbish that fishback is cleared away on profile of tooth antiskid pedal automatically can be passed through.
Used as further improvement, the rail traffic platform safety tread can also include a brake 810, with motor 801
It is connected, control is braked to the motor 801 under non-operating state, when the order of the startup of the motor 801 is received, to described
Motor 801 is unlocked.So as to stretch in place in pedal, in the state of motor shuts down, being capable of lock out motor, it is ensured that pedal
Will not move forward and backward.Or, under burst power down mode, can be by the timely lock out motor of brake, control pedal stops stretching
Indention is, it is ensured that pedal remains static under power down mode, will not be elastic, to ensure passenger safety.
As further improvement, arrange one group on the fixed frame base 400, along the snapping motion route and be close to and open
Close, the signal output part of each proximity switch is connected with controller, and each proximity switch is detected to the buckle, in the buckle
Into the proximity switch induction range when, send a signal of telecommunication to controller, the controller is according to sending connecing for the signal of telecommunication
The position of nearly switch determines the moving position of buckle.Such that it is able to the telescopic location for accurately controlling slider bar and tread elements, it is ensured that
Safety tread can stretch in place according to different demands.
Used as further improvement, the rail traffic platform safety tread can also include an anti-collision structure, the anticollision knot
Structure includes a movable push bar 511 and a L-shaped swinging mounting 901, and the movable push bar 511 is installed on the front end cross beam of activity box 500
One end, carry out stretching motion along the crossbeam；The two ends of L-shaped swinging mounting 901 respectively with fixed frame base 400 and living
Dynamic push rod 511 is slidably connected, and the turn end of the L-shaped swinging mounting 901 is rotated with slider bar 500 and is connected, and is rotated by the L-shaped
The horizontal thrust of the movable push bar 511 is converted to pulling force inside in the slider bar 500 by support 901.By the anticollision
Structure, even if just in case train occurs sails platform into and the unreclaimed situation of pedal, and train head is impinged upon on movable push bar, producing
One powerful thrust, by L-shaped swinging mounting, is converted to the inside pulling force of slider bar, so as to automatic by this thrust automatically
By in slider bar and pedal retraction fixed frame base, the further shock of train and pedal is prevented.So as to avoid one as far as possible
Cut and hand over rail train to cause to damage or the dysgenic possibility of operation generation to train.
As further improvement, a movable push bar 510, a L-shaped can also be further included in the anti-collision structure and is rotated
The L like shape swinging mounting 906 of support 905 and, the L like shape swinging mounting 906 increases by one on the basis of L-shaped swinging mounting
Individual 3rd end；The movable push bar 510 is installed on the other end of the front end cross beam of activity box 500, and along the crossbeam flexible fortune is carried out
It is dynamic；Slide with the 3rd end of movable push bar 510 and L like shape swinging mounting 906 respectively and connect in the two ends of the L-shaped swinging mounting 905
Connect, the turn end of the L-shaped swinging mounting 905 is rotated with slider bar 500 and is connected；The two ends of the L like shape swinging mounting 906 point
It is not slidably connected with movable push bar 511 and fixed frame base 400, the turn end and slider bar of the L like shape swinging mounting 906
500 rotate connection.Such that it is able to further prevent during train inverted running, with pedal shock is produced.And, it is ensured that activity on one side
When push rod stress is retracted, the movable push bar of another side also can synchronously be retracted.
As further improvement, each pulley of self installation one in top of the movable push bar 510 and 511.
Used as further improvement, the rail traffic platform safety tread can also include a manual unlocking resetting structure；
The manual unlocking resetting structure includes bull stick 1103 in the trip lever 1102 of a switch 1101, one and a unblock；The slider bar
One reset fulcrum is set on 500；
Trip lever 1102 and unblock transfer bar 1103 are rotatably connected on respectively on fixed frame base 400, trip lever 1102
One end A ends contact in partial angular extents with one end X ends of bull stick 1103 in unblock；The other end B ends of trip lever 1102
Contact in partial angular extents with the reset fulcrum of slider bar 500；The handss of the X ends of bull stick 1103 and brake 810 in unblock
Connected by drawstring between dynamic solution lock-switch；The switch 1101 is fixed on fixed frame base 400, in detection unblock
The turned position of bull stick 1103, switch 1101 includes a signal output part, is connected with controller；
When the trip lever 1102 turns to the first deviation angle, its A end terminates with the X of bull stick 1103 in the unblock
Touch, promote bull stick 1103 in unlocking to turn to the second deviation angle, touch the switch 1101, switch 1101 is by the backward control of shake-up
Device processed sends a signal of telecommunication, indicates that controller withdraws slider bar 500；
When the trip lever 1102 turns to three deviation angles, bull stick 1103 in unblock is promoted to turn to the 4th deviation angle
Degree, the drawstring in unblock between bull stick 1103 and brake 810 is tightened up, and touches the manual unlocking device switch of brake 810, institute
When stating trip lever 1102 and turning to five deviation angles, contact with the reset fulcrum of slider bar 500, with the reset fulcrum be by
Force, withdraws the slider bar 500；
First deviation angle is less than the 5th deviation angle, second skew less than the 3rd deviation angle
Angle is less than the 4th deviation angle.
By the manual unlocking resetting structure, even if there is burst emergency, such as platform power failure pedal cannot withdraw, or
The indivedual pedal catastrophic failures of person cannot withdraw, etc., also in time can be withdrawn on pedal, so as to keep away as far as possible by manpower intervention
Exempting from all hands over rail train to cause to damage or the dysgenic possibility of operation generation to train.
Used as further improvement, the trip lever 1102 is with bull stick 1103 in unblock respectively by support 1104 and 1105 turns
It is dynamic to be connected on fixed frame base 400；Connect a reduction torsion spring, the unblock between the trip lever 1102 and support 1104
Connect a reduction torsion spring between middle bull stick 1103 and support 1105.
Used as further improvement, the switch 1101 is limit switch or proximity switch.
Used as further improvement, the drawstring is steel wire tow line.
As further improvement, at the center of rotation position of trip lever 1102 latch 1106, latch are inserted vertically into
A 1106 external handles, drive latch 1106 to rotate after handle stress, by latch 1106 trip lever 1102 is driven
It is raw to rotate.
Compared with prior art, the main distinction and its effect are embodiment of the present invention：Mainly by fixed frame base
400th, slider bar 500 and tread elements 600 are constituted, and tread elements 600 are fixed on the front end of slider bar 500, and slider bar 500 passes through slide rail
503 are connected with the roller type slide block group plug-in type on fixed frame base 400；On fixed frame base 400, a motor is fixed
801 and a power transmission shaft 804, output shaft and the synchronized links of power transmission shaft 804 of the front end of motor 801, transmission is driven when motor 801 is rotated
The synchronous axial system of axle 804；Fixed frame base 400 is fixed with least three transmission nodes on laterally-distinct position, is respectively driven node
By Timing Belt synchronized links between power transmission shaft 804, each Timing Belt is driven to be driven forward or backwards by power transmission shaft 804；Slide
At least three buckles are fixed on frame 500, are connected to respectively at least three Timing Belt, with the positive of each Timing Belt or
There is stretching motion in reverse drive.By the Telescopic safe pedal, can be with presence between effectively solving platform and Train door
The potential safety hazard brought to passenger of gap, and the train during traveling will not be counteracted.Also, by coaxial three
Point (can also be more) Synchronization Control safety tread it is flexible, it can be ensured that the slider bar of safety tread can in telescopic process
Multiple spot stress, so as to ensure slider bar uniform force on laterally-distinct position, and then does not allow in prolonged running
Easily deform upon, extend its service life, it is ensured that the stability and safety during its operation.
Description of the drawings
Fig. 1 is installed in the safety tread schematic diagram of platform in a better embodiment of the invention；
Fig. 2 is that the safety tread schematic diagram under state is stretched out in a better embodiment of the invention；
Fig. 3 is the safety tread schematic diagram in a better embodiment of the invention under retracted mode；
Fig. 4 is the structure chart of fixed frame base 400 in a better embodiment of the invention；
Fig. 5 is the structure chart of slider bar 500 and tread elements 600 in a better embodiment of the invention；
Fig. 6 is the schematic diagram that slider bar stretches out fixed frame base in a better embodiment of the invention；
Fig. 7 is the schematic diagram of slider bar retraction fixed frame base in a better embodiment of the invention；
Fig. 8 is platform safety tread motor transmission part structure chart in a better embodiment of the invention；
Fig. 8 a are Fig. 8 upper right corner partial enlarged drawings；
Fig. 8 b are Fig. 8 upper left corners partial enlarged drawings；
Fig. 9 is platform safety tread anti-collision structure schematic diagram in a better embodiment of the invention；
Figure 10 is platform safety tread anti-collision structure upward view in a better embodiment of the invention；
Figure 11 is platform safety tread manual unlocking resetting structure schematic diagram in a better embodiment of the invention；
Figure 11 a are Figure 11 right half part partial enlarged drawings；
Figure 12 is safety tread and thereon each L in a better embodiment of the invention after the retraction of movable push bar 510 and 511
The view of shape swinging mounting；
Figure 13 is floor map of the manual unlocking resetting structure under general state in a better embodiment of the invention；
Figure 13 a are Figure 13 right half part partial enlarged drawings；
Figure 14 is that plane of the manual unlocking resetting structure in the first deviation angle is shown in a better embodiment of the invention
It is intended to；
Figure 14 a are Figure 14 right half part partial enlarged drawings；
Figure 15 is that plane of the manual unlocking resetting structure in three deviation angles is shown in a better embodiment of the invention
It is intended to；
Figure 15 a are Figure 15 right half part partial enlarged drawings；
Figure 16 is that plane of the manual unlocking resetting structure in five deviation angles is shown in a better embodiment of the invention
It is intended to；
Figure 16 a are Figure 16 right half part partial enlarged drawings.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with enforcement of the accompanying drawing to the present invention
Mode is described in further detail.
A better embodiment of the invention is related to a kind of rail traffic platform safety tread.For filling up rail traffic platform
Gap between Train door, prevents passenger from being tripped or because stepping on sky and foot is snapped in gap by gap when getting on or off the bus.Should
Safety tread is arranged on station edge of table, as shown in Figure 1.The safety tread extends and retracts two states, respectively such as Fig. 2 and
Shown in Fig. 3, enter the station in train, during car door opening, safety tread is in and stretches out state, it is ensured that seamless company between platform and car door
Connect；Before launch train, safety tread retraction platform, in train travelling process, safety tread is in retracted mode, it is ensured that stand
Certain gap is kept between platform and car body, the safety traffic of train is ensured.
The concrete structure of safety tread is introduced below, the safety tread includes fixed frame base 400, slider bar
500 and tread elements 600, respectively as shown in Figure 4 and Figure 5.Wherein, tread elements 600 are fixed on the front end of slider bar 500.This enforcement
Profile of tooth antiskid pedal is used in mode, in actual applications, it would however also be possible to employ common bright finish pedal.In Fig. 4, fixing
Two groups of roller type slide block groups are secured on three longitudinal beams 402 of frame base 400, per group includes two pair roller type slide blocks 403,
Each roller type slide block 403 is separately fixed at the left and right sides of three longitudinal beams 402, (only shows positioned at fixed frame in Fig. 4
Two couples (four) the roller type slide block 403 of base right half part, is separately mounted to fixed frame base the right and middle longitudinal direction
Liang Shang, fixed frame base left-half equally installs two pair roller type slide blocks 403, positioned at the fixed frame base left side and centre
Longitudinal beam on, its structure and right half part are essentially identical).Correspondence fixes two groups of parallel sliding tracks 503, position in slider bar 500
Corresponding with the roller type slide block group on fixed frame base 400, slider bar 500 is by slide rail 503 and fixed frame base 400
On roller type slide block group plug-in type connection.In the present embodiment, 500 points of slider bar is the two independent little frameworks in left and right
501, each little framework 501 includes two longitudinal beams 502, and on every longitudinal beam 502 slide rail 503 is respectively and fixedly provided with.Slider bar 500 is left
Right two little frameworks 501 are connected by slide rail 503 with the roller type slide block group plug-in type on fixed frame base 400, and two little
Framework 501 carries out stretching motion each via corresponding roller type slide block 403 along slide rail direction.Tread elements 600 are fixed on slip
The front end of frame 500, with the stretching motion of slider bar 500, stretches out or retraction fixed frame base 400, and it extends and retracts shape
State is respectively as shown in Figure 6 and Figure 7.
The top of fixed frame base 400 is covered with load-bearing cover plate, stands for passenger.It is profile of tooth antiskid pedal in tread elements 600
In the case of, the front end of fixed frame base 400 can also be fixed with one group of fishback, anti-skidding step on the profile of tooth in slider bar 500
Plate is meshed.During profile of tooth antiskid pedal retraction fixed frame base 400, profile of tooth is cleared away by fishback automatically anti-skidding
Rubbish on pedal.In the specific implementation, fishback can be fixed on the front end of load-bearing cover plate, as shown in Figure 2.
As shown in Figure 8 (Fig. 8 a and 8b are the partial enlarged drawing in Fig. 8 upper right corner and the upper left corner), in fixed frame base 400
On, motor 801 is installed, on the output shaft 802 of the front end of motor 801, fix a synchronous cog belt wheel 803.Fixed frame base
On 400, a long rotary shaft 804 is also installed, 4 synchronizing jugged belt wheels are secured in rotary shaft 804, synchronization based on one of those
Profile of tooth belt wheel 805, remaining 3 is from synchronizing jugged belt wheel 807.The synchronizing jugged belt wheel 805 of master with it is synchronous on motor output shaft
Profile of tooth belt wheel 804, by same synchronous cog belt 806 (referred to as main synchronous cog belt) synchronized links, the synchronizing jugged card for taking
The latch of the connected synchronizing jugged belt wheel of groove is mutually engaged.When motor 801 is rotated, drive synchronizing jugged belt wheel 803 to rotate, lead to
The serial verb construction of synchronizing jugged belt wheel 803, main synchronous cog belt 806 and the synchronizing jugged belt wheel 805 of master is crossed, rotary shaft 804 is controlled
Rotation, and then by rotary shaft 804 it is synchronous drive diverse location thereon from synchronizing jugged belt wheel 807.
On fixed frame base 400, with rotary shaft 804 on three from the opposite position of synchronizing jugged belt wheel 807, also divide
Three tensioning pulleys 809 (as transmission node) are not provided with, are fixed on fixed frame base 400 by support.Fixed frame
In the corresponding rotary shaft 804 of tensioning pulley 809 on frame base 400 from synchronizing jugged belt wheel 807, by same synchronization
Cog belt 808 (from synchronous cog belt) is connected.Respectively there is forward direction from synchronizing jugged belt wheel 807 in synchronous driving of rotary shaft 804
Or when rotating backward, synchronous drive is driven forward or backwards from synchronous cog belt 808.
A belt fastener 504 (buckle) is each provided with three longitudinal beams 502 of slider bar 500, be connected to respectively 3 from
On synchronous cog belt 808, driven by rotary shaft 804 from synchronous cog belt 808, when being driven forward or backwards, drive belt fastener 504
Move forward and backward, and then drive the elastic motion of slider bar 500.
By above-mentioned Multipoint synchronous drive mechanism, it can be ensured that slider bar 500 in telescopic process can multiple spot stress, from
And ensure slider bar uniform force in horizontal each position, and then it is less likely to occur deformation in prolonged running, prolong
Long its service life, it is ensured that the stability and safety during its operation.
As further improvement, a brake 810 can be connected after motor 801, motor 801 and brake 810 with
Controller connects, and brake 810 is braked control, from controller motor 801 is being received to the motor 801 under non-operating state
During the order of startup, motor 801 is unlocked.So as to stretch in place in pedal, in the state of motor shuts down, Neng Gousuo
Determine motor, it is ensured that pedal will not be moved forward and backward.Or, under burst power down mode, the timely lock out motor of brake can be passed through,
Control pedal stops flexible behavior, it is ensured that pedal remains static under power down mode, will not be elastic, to ensure passenger
Safety.
As further improvement, along the moving line of belt fastener 504 (i.e. along from synchronous cog belt on fixed frame base 400
808) one group of proximity switch 811 is set, as shown in figure 8, the signal output part of each proximity switch 811 is connected with controller, is respectively connect
Closely 811 pairs of belt fasteners 504 of switch are detected, when the belt fastener 504 enters the induction range of a certain proximity switch 811, should
Proximity switch 811 to controller sends a signal of telecommunication, and controller determines belt according to the position of the proximity switch for sending the signal of telecommunication
The moving position of button 504, and then the position being located by belt fastener 504 determines the telescopic location of current pedal part 500, judges to step on
Whether plate 500 is flexible in place.
In the case where belt fastener is metal material, proximity switch 811 can be metal detection sensor.
As further improvement, there is catastrophic failure to prevent safety tread, normally do not retract after pedal stretches out, and
Train normally travel inbound, both produce shock, hand over rail train to cause to damage or the operation generation harmful effect to train,
Increased anti-collision structure in present embodiment on the basis of the above.
It is specific as follows：One movable push bar 511 is installed in one end of the crossbeam foremost of slider bar 500, due to this embodiment party
In formula, slider bar 500 is made up of two independent little frameworks 501, therefore can wherein an independent little framework 501 is foremost
The outboard end installation activity push rod of crossbeam 512, as shown in figure 9, movable push bar 511 is from the outboard end of crossbeam 512 insertion beam pipe,
Linear telescopic is carried out along crossbeam to move.One L-shaped swinging mounting 901 is set, and the two ends of L-shaped swinging mounting 901 are slidably connected respectively
Fixed frame base 400 and movable push bar 511, the turn end of L-shaped swinging mounting 901 rotates connection slider bar 500, forms one and connects
Motivation structure, by the L-shaped swinging mounting, by the horizontal thrust of movable push bar, is converted into act in slider bar inside and pushes away
Power, so as to by the retraction fixed frame base 400 of slider bar 500.That is, inwardly move along a straight line in movable push bar 511 (contracting
Return) when, it is that an inside horizontal thrust is brought in one end of the L-shaped swinging mounting 901 of its connection, and due to L-shaped swinging mounting
901 other end is connected with fixed frame base 400, so as to receive the inside horizontal thrust after, L-shaped swinging mounting 901 will
On the basis of fixed frame base 400, inwardly rotation, and then to producing the inside thrust of a vertical direction to slider bar 500,
Slider bar 500 is promoted to complete retract action.
In a particular application, as shown in Figure 10 (in order to more clearly see the attachment structure of L-shaped swinging mounting clearly, Figure 10 shows
Go out the upward view of the anti-collision structure, also, concealed the base plate on fixed frame base), can consolidate on movable push bar 511
A fixed connecting plate 506, arranges a connecting node 507 on connecting plate 506；One connecting node 404 is set on the base plate of fixed frame 400
(base plate does not show in Fig. 10)；One connecting node 508 is set on the connecting plate 505 of slider bar 500；L-shaped swinging mounting 901
Two ends respectively arrange a slotted hole (902 and 903), are slidably connected with node 507, node 404 respectively by grooved hole 902 and 903
(corresponding node 507 of grooved hole 902, the corresponding node 404 of grooved hole 903 is similar below) (specifically can on node fixing screws
Nut, slides, it would however also be possible to employ other modes are slidably connected as axis in grooved hole), L-shaped swinging mounting 901
Turnover position 904 and node 508 rotate and be connected (equally can be rotated by axis of screw-nut).In movable push bar
When in 511 insertion beam pipes (being linear motion to the right in Figure 10), a horizontal thrust to the right is produced, by grooved hole 902
It is delivered on L-shaped swinging mounting 901, due to other end grooved hole 903 and the fixed frame base 400 of L-shaped swinging mounting 901
Node 404 is connected, and after horizontal thrust is received, L-shaped swinging mounting 901 occurs dextrorotation with node 404 as fulcrum force
Turn, drive node 904 to produce an inside pulling force, so as to slider bar 500 is retracted into fixed frame base 400.Figure 12 shows
After movable push bar 511 is retracted, the view of slider bar 500, tread elements 600 and L-shaped swinging mounting 901.
By the anti-collision structure, even if just in case train occurs sails platform into and the unreclaimed situation of pedal, train head hits
Hit on movable push bar, produce a powerful thrust, by L-shaped swinging mounting, automatically this thrust is converted to into slider bar
Inside pulling force, so as to automatically further hitting for train and pedal in slider bar and pedal retraction fixed frame base, will be prevented
Hit.
It should be noted that in said structure, a L-shaped swinging mounting 901 is only connected on movable push bar 511,
In practical application, movable push bar 511 can be lengthened, thereon the two or more identical L-shaped swinging mountings of lateral connection, often
The connected mode of individual L-shaped swinging mounting is identical with L-shaped swinging mounting 901, such as arrange a L-shaped rotation in left-half
Frame, connects the left-half of movable push bar, slider bar and fixed frame base, and in right half part a L-shaped rotation is also provided with
Frame, connects the right half part of movable push bar, slider bar and fixed frame base.When the stress of movable push bar 511 is retracted, left and right two
Individual L-shaped swinging mounting to left and right two parts of slider bar will transmit an inside pulling force simultaneously, so as to receive increasing slider bar
While the inside pulling force for arriving, it is ensured that slider bar uniform force, contribute to slider bar and inwardly retract.
As further improvement, in order to further prevent during train inverted running, shock is produced with pedal, can slided
The other end of the crossbeam foremost of frame 500 installs a movable push bar, equally, for present embodiment, can be in another independence
Little framework 501 foremost crossbeam 509 outboard end install a movable push bar 510.In order to reach the water of movable push bar 510 simultaneously
Horizontal sliding power is converted into the inside thrust of slider bar, and when the one end of movable push bar 510 or 511 is to contract, drives the other end
The double effectses of synchronous, in present embodiment, further arrange a double swinging mounting serial verb construction, rotate comprising L-shaped
Support 905 and L like shape swinging mounting 906, wherein L like shape swinging mounting 906 increased one on the basis of L-shaped swinging mounting
Individual 3rd end.The two ends (907 and 908) of swinging mounting 905 are slidably connected respectively the of movable push bar 510 and swinging mounting 906
Three ends 910, the turn end 909 of swinging mounting 905 rotates connection slider bar 500.The two ends (911 and 912) of swinging mounting 906 point
Be not slidably connected fixed frame base 400 and movable push bar 511, and the turn end 913 of swinging mounting 906 rotates connection slider bar
500.(in present embodiment, movable push bar 511 is longer than movable push bar 510, and movable push bar 511 inserts crossbeam through crossbeam 512
In 509, it is slidably connected with L-shaped swinging mounting 901 and 906 respectively.) by this pair of swinging mounting serial verb construction, in movable push bar
When in 510 insertion beam pipes (being linear motion to the left in Figure 10), a horizontal thrust to the left will be produced, due to movable push bar
510 are connected with one end 907 of swinging mounting 905, so as to transmit a horizontal thrust to the left to 907 ends of swinging mounting 905,
The rotate counterclockwise of swinging mounting 905 is driven, and because swinging mounting 905 is slidably connected with 906 in end points 910, and then drive turns
Dynamic support 906 turns clockwise, because 911 ends of swinging mounting 906 are connected with fixed frame base 400, so as to swinging mounting
906 will be turned clockwise with 911 ends as fulcrum force, drive node 913 to produce an inside pulling force, so as to slide
Frame 500 retracts fixed frame base 400.
Simultaneously as 912 ends of swinging mounting 906 are connected with movable push bar 511, occur clockwise in swinging mounting 906
During rotation, by the retraction crossbeam 512 of movable push bar 511, and swinging mounting 901 is driven to turn clockwise by synchronous, drive
Node 904 produces an inside pulling force, synchronous with the inside pulling force that node 913 is produced that slider bar 500 is retracted into fixed frame bottom
Seat 400.So that it is guaranteed that the both sides uniform force of slider bar 500, prevents slider bar 500 from producing deformation.
After Figure 12 shows that movable push bar 510 and 511 is retracted, safety tread and thereon the state of each L-shaped swinging mounting is shown
It is intended to.
In order to the left and right two parts stress for further ensuring that slider bar 500 is identical, in present embodiment, L like shape is rotated and propped up
The L bracket part-structure of frame 906 is identical with L-shaped swinging mounting 901, i.e. the angle of its turnover is identical with swinging mounting 901, from
And guarantee during movable push bar 511 is retracted, L-shaped swinging mounting 901 is with L like shape swinging mounting 906 to activity box 500
The size of the inside pulling force of left and right two parts transmission is identical, it is ensured that two parts uniform force of slider bar 500 or so.
It should be noted that the L-shaped swinging mounting 901, L-shaped swinging mounting 905 and L like shape in present embodiment is rotated and propped up
The support turning angle of frame 906 is preferably 90 degree, it is also possible to be suitably adjusted according to the size of product, and its turning angle can be with
More than 90 degree, or less than 90 degree.L-shaped swinging mounting 901, L-shaped swinging mounting 905 and L like shape swinging mounting 906 in Figure 10
Support turning angle is respectively less than 90 degree.
In the same manner, clashed in movable push bar 511, inwardly move along a straight line (retraction) when, drive swinging mounting by synchronous
901 and 906 are turned clockwise, and then drive node 904 and 913 to produce an inside pulling force respectively, same from the right and left
Slider bar 500 is retracted fixed frame base 400 by step.Also, while swinging mounting 906 is turned clockwise, will drive
Swinging mounting 905 carries out rotate counterclockwise, eventually through the rotation of swinging mounting 905, by the retraction crossbeam 509 of movable push bar 510
It is interior.
It can be seen that the anti-collision structure after the improvement, can realize receiving the work(of automatic retraction pedal after shock from both direction
Can, also, the movable push bar of synchronous retraction both direction, safety guarantee function is more comprehensively.
In addition, in order to avoid train head and the shock of movable push bar, causing abrasion (such as scrape paint, draw to train body
Wound), can be at each pulley of self installation one in the top of movable push bar 510 and 511 (pulley 513 and 514), so as to reduce car body and work
Friction between dynamic push rod, further protects the safety of train.
It should be noted that swinging mounting 905,906 and fixed frame base 400, slider bar 500, movable push bar 510
Connected mode, can be identical with the connected mode of swinging mounting 901.A connecting plate can be fixed on movable push bar 510,
One connecting node is set on the connecting plate, by arranging grooved hole on the one end of swinging mounting 905, is realized and movable push bar 510
Being slidably connected of connecting plate (specifically can on node fixing screws nut, slide in grooved hole as axis, also may be used
To be slidably connected using other modes).In the same manner, a connecting plate can be reserved in slider bar 500, and is set on connecting plate
A connecting node is put, the turn end of swinging mounting 905 is rotated with the connecting plate of slider bar 500 and is connected.In the same manner, can be in fixed frame
One connecting node is set on the base plate of frame base 400, by arranging grooved hole on the one end of swinging mounting 906, is realized and is fixed
Frame base 400 is slidably connected.
Further, in order to ensure movable push bar 511 and 510 carries out linear telescopic motion in crossbeam, can push away in activity
Roller is installed on the body of rod of bar 511 and 510, to guarantee that it is linear motion；Or, it is also possible on crossbeam 509 and 512 each
One horizontal line slideway is installed, a sliding shoe is set on every guide rail, sliding shoe is fixed together with the connecting plate of movable push bar,
So that it is guaranteed that movable push bar moves along a straight line along guide rail, as shown in Figure 10.(two guide rails on crossbeam 509 and 512 can be only respectively
It is vertical, it is also possible to be linked as one)
As further improvement, in the rail traffic platform safety tread of present embodiment, can also include that one solves manually
Lock resetting structure, as shown in figure 11 (in order that each part is seen apparent, Figure 11 a have carried out partial enlargement signal to Figure 11).
It is main to include bull stick 1103 in a switch unblock of 1101, one trip lever 1102,.Wherein, switch 1101 can be limit switch
(travel switch), or proximity switch.Trip lever 1102 and unblock transfer bar 1103 are respectively by support 1104 and support
1105 are rotatably connected on fixed frame base 400.Generally, support 1104 and support 1105 can be fixed on fixation
On frame base 400, trip lever 1102 is rotated with support 1104 and is connected, and bull stick 1103 is rotated with support 1105 and is connected in unblock.
Switch 1101 is fixed on fixed frame base 400, and for the turned position of bull stick 1103 in detection unblock, switch 1101 is included
One signal output part, is connected with controller；A latch 1106 is inserted perpendicularly at the center of rotation position of trip lever 1102, by solving
Lock pin 1106 drives trip lever 1102 to rotate.One end (referred to as A ends) of trip lever 1102 and one of bull stick 1103 in unblock
End (referred to as X ends) contacts in partial angular extents.The other end (referred to as B ends) of trip lever 1102 and the fulcrum of slider bar 500
513 contact in partial angular extents, and (Figure 13 shows manual unlocking resetting structure from depression angle as shown in Figure 13 and 13a
In each position annexation, Figure 13 a for Figure 13 partial schematic diagram).In unblock the X ends of bull stick 1103 and brake 810 it
Between by drawstring connect, the preferred steel wire rope of drawstring.The X ends of bull stick 1103, other end connection system in one end connection unblock of drawstring
The manual unlocking device (also known as manual release device) of dynamic device 810.
During trip lever 1102 is rotated, the X end in contact of bull stick 1103 in its A end and unblock, and promote in unblock
Bull stick 1103 rotates.As shown in figure 14, when trip lever 1102 turns to the first deviation angle, bull stick in unblock is promoted
1103 turn to the second inclination angle, and touch switch 1101, switch 1101 produces a signal of telecommunication, is transferred to controller after being touched,
Sent to motor 801 from controller and retract automatically order, motor 801 is rotated, and withdraws slider bar 500.Specifically, if switch
1101 is limit switch, then bull stick 1103 contacts in partial angular extents with the fork of limit switch in unlocking, in unblock
When middle bull stick 1103 turns to the second deviation angle, the fork of limit switch is promoted, touch the limit switch, such as Figure 14 and 14a
Shown (Figure 14 a are the partial schematic diagram of Figure 14).If switch 1101 is proximity switch, bull stick 1103 turns to the in unblock
During two deviation angles, enter proximal to switch induction range, proximity switch sense unblock in bull stick 1103, touch this be close to open
Close.
If bull stick 1103 is turned to after the second deviation angle in unblock, slider bar is not retracted, such as in the power-off state,
Then trip lever 1102 is rotated further, as shown in Figure 15 and 15a the partial schematic diagram of Figure 15 (Figure 15 a for), in 1102 turns of trip lever
When moving to three deviation angles, bull stick 1103 in unblock is promoted to turn to the 4th deviation angle, after reaching the 4th deviation angle, solution
Drawstring in lock between bull stick 1103 and brake 810 is tightened up, and touches the manual unlocking device switch of brake 810, manually solution
Locking device starts, and to motor 801 manual release is carried out.Then, trip lever 1102 is rotated further, and turns to the 5th deviation angle
When, its B end contacts with the fulcrum 513 of slider bar 500, promotes slider bar 500 inwardly to move, and withdraws slider bar, such as Figure 16 and 16a
Shown (Figure 16 a are the partial schematic diagram of Figure 16).In the specific implementation, the A ends of trip lever 1102 can be set to arc, from
And when bull stick 1103 turns to three deviation angles in unblock, the rotary thrust of trip lever 1102 is no longer received, unlock transfer
Bar can not be rotated further by.
When actually used, polygon (such as the square, triangle) rotation of latch 1106 can be inserted in by a handle
Axle, manually rotates handle, drives latch 1106 to rotate, and then drives trip lever 1102 to rotate.Handle is not fixed
It is connected in latch 1106.Corresponding, with the opposite position of latch 1106 on load-bearing cover plate, needs leave unblock
Hole, for handle latch 1106 is inserted in.
A torsion spring 1107 can also be connected between trip lever 1102 and support 1104, as shown in figure 11, in trip lever 1102
During rotating, torsion spring 1107 is tightened up, and after slider bar 500 is retracted, trip lever 1102 no longer receives revolving force, by
Torsion spring 1107 automatically resets trip lever 1102.A torsion spring can equally be connected in unblock between bull stick 1103 and support 1105
(cannot show in Figure 11), during bull stick 1103 rotates in unblock, the torsion spring is tightened up, multiple in trip lever 1102
Behind position, by the torsion spring bull stick in unblock 1103 is resetted automatically.
By the manual unlocking resetting structure, even if there is burst emergency, such as platform power failure pedal cannot withdraw, or
The indivedual pedal catastrophic failures of person cannot withdraw, etc., also in time can be withdrawn on pedal, in non-powering-off state by manpower intervention
Under, only need gently one to pull, touch switch 1101, you can automatically retract pedal；Under powering-off state, handle is rotated further, can be with
Pedal is withdrawn manually.Operation so as to avoid all to hand over rail train to cause damage as far as possible or to train produces bad shadow
Loud possibility.
Although by referring to some of the preferred embodiment of the invention, being shown and described to the present invention,
It will be understood by those skilled in the art that can in the form and details to it, various changes can be made, without departing from this
Bright spirit and scope.
Claims (16)
1. a kind of rail traffic platform safety tread, it is characterised in that include：
Fixed frame base (400), slider bar (500) and tread elements (600), tread elements (600) are fixed on slider bar (500)
Front end；
The fixed at least two groups roller type slide block groups at least three longitudinal beams (402) of fixed frame base (400), per group of rolling
Wheel-type slide block group includes at least one pair of roller type slide block (403), the fixed at least two groups parallel sliding tracks of correspondence in slider bar (500)
(503), position is corresponding with the roller type slide block group on fixed frame base (400), and slider bar (500) is by slide rail (503)
It is connected with the roller type slide block group plug-in type on fixed frame base (400)；On fixed frame base (400), one is fixed electric
Machine (801), drives the slider bar (500) that stretching motion occurs by motor (801)；
Wherein, a power transmission shaft (804), the output shaft and power transmission shaft of motor (801) front end are set on fixed frame base (400)
(804) synchronized links, drive power transmission shaft (804) synchronous axial system when motor (801) is rotated；
Fixed frame base (400) is fixed with least three transmission nodes on laterally-distinct position, each to be driven node and power transmission shaft
(804) by Timing Belt synchronized links between, each Timing Belt is driven to be driven forward or backwards by power transmission shaft (804)；
Slider bar fixes at least three buckles on (500), is connected to respectively at least three Timing Belt, with each synchronization
There is stretching motion in the transmission forward or backwards of band.
2. rail traffic platform safety tread according to claim 1, it is characterised in that the fixed frame base
(400) top is covered with load-bearing cover plate.
3. rail traffic platform safety tread according to claim 1, it is characterised in that the tread elements (600) are tooth
Shape antiskid pedal；
The fixed frame pan frontward end is further fixed on one group of fishback, with the profile of tooth antiskid pedal in slider bar (500)
It is meshed.
4. rail traffic platform safety tread according to claim 1, it is characterised in that also comprising a brake (810),
It is connected with motor (801), control is braked to the motor (801) under non-operating state, starts the motor (801) is received
Order when, to the motor (801) unlock.
5. rail traffic platform safety tread according to claim 1, it is characterised in that the fixed frame base
(400) one group of proximity switch, signal output part and the controller phase of each proximity switch are set on, along the snapping motion route
Even, each proximity switch detects to the buckle, during the induction range for snapping into the proximity switch described, to controller
A signal of telecommunication is sent, the controller determines the moving position of buckle according to the position of the proximity switch for sending the signal of telecommunication.
6. rail traffic platform safety tread according to claim 1, it is characterised in that also comprising an anti-collision structure, institute
Anti-collision structure is stated comprising the second movable push bar (511) and at least one first L-shaped swinging mountings (901), second activity is pushed away
Bar (511) is installed on one end of activity box (500) front end cross beam, and along the crossbeam stretching motion is carried out；
First L-shaped swinging mounting (901) two ends are sliding with fixed frame base (400) and the second movable push bar (511) respectively
Dynamic connection, the turn end of the first L-shaped swinging mounting (901) is rotated with slider bar (500) and is connected, and is turned by first L-shaped
The horizontal thrust of second movable push bar (511) is converted to drawing inside in the slider bar (500) by dynamic support (901)
Power.
7. rail traffic platform safety tread according to claim 6, it is characterised in that also include in the anti-collision structure
First movable push bar (510), the second L-shaped swinging mounting (905) and a L like shape swinging mounting (906), the L like shape is rotated and propped up
Frame (906) increases the 3rd end on the basis of L-shaped swinging mounting；
First movable push bar (510) is installed on the other end of activity box (500) front end cross beam, is stretched along the crossbeam
Motion；
The two ends of the second L-shaped swinging mounting (905) respectively with the first movable push bar (510) and L like shape swinging mounting (906)
The 3rd end be slidably connected, the turn end of the second L-shaped swinging mounting (905) is rotated with slider bar (500) and is connected；
The two ends of the L like shape swinging mounting (906) are sliding with the second movable push bar (511) and fixed frame base (400) respectively
Dynamic connection, the turn end of the L like shape swinging mounting (906) is rotated with slider bar (500) and is connected.
8. rail traffic platform safety tread according to claim 7, it is characterised in that first movable push bar
(510) and/or the second movable push bar (511) is from the outboard end of crossbeam insertion beam pipe, linear telescopic is carried out along crossbeam
Motion.
9. rail traffic platform safety tread according to claim 7, it is characterised in that first movable push bar
(510) and the second movable push bar (511) each pulley of self installation one in top.
10. rail traffic platform safety tread according to claim 8, it is characterised in that before the slider bar (500)
On the crossbeam at end, a horizontal line slideway A is installed, a sliding shoe X, the sliding shoe X and described first are set on guide rail
Movable push bar (510) is mutually fixed, and/or
On the crossbeam of the slider bar (500) front end, a horizontal line slideway B is installed, a sliding shoe is set on guide rail B
Y, the sliding shoe Y are mutually fixed with second movable push bar (511)；
The guide rail A and guide rail B is same guide rail, or, it is two independent rails.
11. rail traffic platform safety treads according to claim 9, it is characterised in that first movable push bar
(510) and/or on the second movable push bar (511) body of rod roller is installed, first movable push bar (510) and/or second live
Dynamic push rod (511) carries out linear telescopic motion by roller in crossbeam.
12. rail traffic platform safety treads according to claim 4, it is characterised in that also multiple comprising a manual unlocking
Bit architecture；
The manual unlocking resetting structure includes bull stick (1103) in a switch (1101), a trip lever (1102) and a unblock；
A reset fulcrum is set on the slider bar (500)；
Trip lever (1102) and unblock transfer bar (1103) are rotatably connected on respectively on fixed frame base (400), trip lever
(1102) one end A ends contact with one end X ends of bull stick (1103) in unblock in partial angular extents；Trip lever (1102)
Other end B ends contact with the reset fulcrum of slider bar (500) in partial angular extents；In unblock the X ends of bull stick (1103) with
Connected by drawstring between the manual unlocking switch of brake (810)；The switch (1101) is fixed on fixed frame base
(400) on, for the turned position of bull stick (1103) in detection unblock, (1101) are switched comprising a signal output part, with control
Device is connected；
When the trip lever (1102) turns to the first deviation angle, its A end terminates with the X of bull stick (1103) in the unblock
Touch, promote bull stick (1103) in unblock to turn to the second deviation angle, touch the switch (1101), switch (1101) is touched
Backward controller sends a signal of telecommunication, indicates that controller withdraws slider bar (500)；
When the trip lever (1102) turns to three deviation angles, bull stick (1103) in unblock is promoted to turn to the 4th deviation angle
Degree, the drawstring in unblock between bull stick (1103) and brake (810) is tightened up, and touches the manual unlocking device of brake (810)
Switch, when the trip lever (1102) turns to five deviation angles, contacts, with described with the reset fulcrum of slider bar (500)
Reset fulcrum is stress point, withdraws the slider bar (500)；
First deviation angle is less than the 5th deviation angle, second deviation angle less than the 3rd deviation angle
Less than the 4th deviation angle.
13. rail traffic platform safety treads according to claim 12, it is characterised in that the trip lever (1102) with
Bull stick (1103) is rotatably connected on fixed frame base by first support (1104) and second support (1105) respectively in unblock
(400) on；
Be connected a reduction torsion spring between the trip lever (1102) and first support (1104), in the unblock bull stick (1103) with
Second support connects a reduction torsion spring between (1105).
14. rail traffic platform safety treads according to claim 12, it is characterised in that the switch (1101) is limited
Bit switch or proximity switch.
15. rail traffic platform safety treads according to claim 12, it is characterised in that the drawstring is steel wire drawing
Rope.
16. rail traffic platform safety treads according to claim 12, it is characterised in that in the rotation of trip lever (1102)
Turn centre and be inserted vertically into a latch (1106), latch (1106) external handle drives latch after handle stress
(1106) rotate, drive trip lever (1102) to rotate by latch (1106).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338620.6A CN104554282B (en) | 2014-07-16 | 2014-07-16 | Safety pedal for rail transportation platform |
| HK15107882.9A HK1207344A1 (en) | 2014-07-16 | 2015-08-14 | A rail transit platform safety pedal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338620.6A CN104554282B (en) | 2014-07-16 | 2014-07-16 | Safety pedal for rail transportation platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104554282A CN104554282A (en) | 2015-04-29 |
| CN104554282B true CN104554282B (en) | 2017-05-03 |
Family
ID=53071615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410338620.6A Active CN104554282B (en) | 2014-07-16 | 2014-07-16 | Safety pedal for rail transportation platform |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104554282B (en) |
| HK (1) | HK1207344A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104875762B (en) * | 2015-06-17 | 2017-04-26 | 河南师范大学 | Winch type step for getting on and off of trains |
| CN104925068A (en) * | 2015-07-01 | 2015-09-23 | 上海嘉成轨道交通安全保障系统股份公司 | Safety pedal of rail traffic platform |
| CN104960525B (en) * | 2015-07-03 | 2017-06-16 | 南京康尼电子科技有限公司 | Urban rail traffic platform clearance automatic compensation mechanism control system and method |
| CN105438187B (en) * | 2015-12-31 | 2019-02-26 | 上海嘉成轨道交通安全保障系统股份公司 | A kind of anti-collision structure of rail traffic platform safety tread |
| CN106043137B (en) * | 2016-05-30 | 2018-03-20 | 上海汽车集团股份有限公司 | Big-and-middle-sized vehicle electric is marked time lever return structure |
| CN106285059B (en) * | 2016-09-18 | 2018-08-21 | 北京机械设备研究所 | A kind of motor-driven extensible pedal for automobile platform |
| CN107901920B (en) * | 2017-11-08 | 2020-03-06 | 中车长春轨道客车股份有限公司 | Platform compensation device |
| CN109733417B (en) * | 2019-03-05 | 2023-08-22 | 方大智创科技有限公司 | Telescopic pedal device for train platform |
| CN110356421B (en) * | 2019-08-22 | 2020-08-25 | 管敏富 | Protection mechanism for subway platform |
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| CN101522502A (en) * | 2006-10-03 | 2009-09-02 | 卡巴吉尔根股份公司 | Gap-bridging device for train platforms |
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| CN101817347A (en) * | 2009-02-26 | 2010-09-01 | 纳博特斯克株式会社 | Pedal device for station |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104554282A (en) | 2015-04-29 |
| HK1207344A1 (en) | 2016-01-29 |
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