CN104554282A - Safety pedal for rail transportation platform - Google Patents
Safety pedal for rail transportation platform Download PDFInfo
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- CN104554282A CN104554282A CN201410338620.6A CN201410338620A CN104554282A CN 104554282 A CN104554282 A CN 104554282A CN 201410338620 A CN201410338620 A CN 201410338620A CN 104554282 A CN104554282 A CN 104554282A
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- fixed frame
- frame base
- slider bar
- swinging mounting
- movable push
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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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- 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, particularly relate to track traffic safeguard technology.
Background technology
In urban rail transit construction process, in order to ensure the safety traffic of train, between platform and train body, often leaving certain gap, bringing certain potential safety hazard to passenger thus.Easily tripped by gap in passenger getting on/off process or because stepping on sky, pin snapped in gap.In order to address this problem, existing part rail intersection road, installs fixing rubber pedal at platform edge, to reduce the gap between platform and train body, meanwhile, in train driving process, rubs even if produce with pedal, is also not easy to damage car body.
But prior art has following deficiency:
First, although gap between platform and car body reduces, but still exist, still there is potential safety hazard, for disabled person, infant and the women that wears high heels, this problem is particularly outstanding.
Secondly, in train driving process, easily produce friction between car body and pedal and clash into, long-term accumulated, easily causes damage to train.Further, the damage rate of platform pedal is relatively high, and later maintenance cost is higher.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of rail traffic platform safety tread, effectively can solve the potential safety hazard that rail hands over the gap existed between platform and Train door to bring to passenger, and can not counteract the train in driving process.
In order to solve the problems of the technologies described above, 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 is fixed on the front end of slider bar 500;
Fixing at least two group roller type slide block groups at least three longitudinal beams 402 of fixed frame base 400, often organize roller type slide block group and comprise at least one pair of roller type slide block 403, corresponding fixing at least two group parallel sliding tracks 503 in slider bar 500, position is corresponding with the roller type slide block group on fixed frame base 400, and slider bar 500 is connected with the roller type slide block group plug-in type on fixed frame base 400 by slide rail 503;
On fixed frame base 400, fix motor 801 and a transmission shaft 804, the output shaft of motor 801 front end and transmission shaft 804 synchronized links, when motor 801 rotates, drive transmission shaft 804 synchronous axial system;
The horizontal diverse location of fixed frame base 400 is fixed with at least three transmission nodes, by Timing Belt synchronized links between each transmission node and transmission shaft 804, drives the transmission forward or backwards of each Timing Belt by transmission shaft 804;
Fixing at least three buckles in slider bar 500, at least three Timing Belts described in being connected to respectively, with the generation of the transmission forward or backwards fore and aft motion of described each Timing Belt.
By this safety tread, effectively can solve the potential safety hazard that the gap that exists between platform and Train door is brought to passenger, and can not the train in driving process be counteracted.
Stretching by coaxial 3 points (also can be more) synchro control safety tread, can guarantee the slider bar of safety tread in telescopic process can multiple spot stressed, thus ensure slider bar uniform force on horizontal diverse location, and then in long operational process, deformation is less likely to occur, extend its service life, ensure the stability in its operation process and safety.
As further improvement, tread elements 600 can be profile of tooth antiskid pedal; Fixed frame pan frontward end is also fixed with one group of fishback, is meshed with the described profile of tooth antiskid pedal in slider bar 500.Thus in the process of profile of tooth antiskid pedal retraction fixed frame base 400, automatically can be cleared away the rubbish on profile of tooth antiskid pedal by fishback.
As further improvement, this rail traffic platform safety tread can also comprise a drg 810, is connected with motor 801, carries out control for brake to the motor 801 under non-operating state, when receiving the order that described motor 801 starts, unlocks described motor 801.Thus put in place pedal is flexible, under the state that motor shuts down, can lock out motor, guarantee that pedal can not move forward and backward.Or under burst power down mode, can pass through the timely lock out motor of drg, control pedal stops flexible behavior, ensures that pedal remains static under power down mode, can not be elastic, to ensure passenger safety.
As further improvement, on described fixed frame base 400, along described snapping motion route, one group of proximity switch is set, the signal output part of each proximity switch is connected with controller, each proximity switch detects described buckle, when described buckle enters the induction range of this proximity switch, send an electric signal to controller, described controller determines the moving position of buckle according to the position of the proximity switch sending electric signal.Thus accurately can control the telescopic location of slider bar and tread elements, ensure that safety tread according to different demand, can stretch and put in place.
As further improvement, this rail traffic platform safety tread can also comprise a collision protection structure, described collision protection structure comprises movable push bar 511 and a L shape swinging mounting 901, and described movable push bar 511 is installed on one end of activity box 500 front end cross beam, carries out fore and aft motion along described crossbeam; Described L shape swinging mounting 901 two ends respectively with fixed frame base 400 and movable push bar 511 sliding block joint, turn end and the slider bar 500 of described L shape swinging mounting 901 are rotationally connected, and by described L shape swinging mounting 901, the horizontal thrust of described movable push bar 511 are converted to pulling force inside in described slider bar 500.By this collision protection structure, even if just in case there is train to sail platform and the unreclaimed situation of pedal into, train head impinges upon in pusher, produce a powerful thrust, by L shape swinging mounting, automatically this thrust is converted to the inside pulling force of slider bar, thus automatically by slider bar and pedal retraction fixed frame base, prevents the further shock of train and pedal.Thus avoid all trackings hand over train to cause damage or produce dysgenic possibility to the operation of train as far as possible.
As further improvement, can also comprise movable push bar 510, L shape swinging mounting 905 and a L like shape swinging mounting 906 in described collision protection structure further, described L like shape swinging mounting 906 increases the 3rd end on the basis of L shape swinging mounting; Described movable push bar 510 is installed on the other end of activity box 500 front end cross beam, carries out fore and aft motion along described crossbeam; The two ends of described L shape swinging mounting 905 respectively with the 3rd end sliding block joint of movable push bar 510 and L like shape swinging mounting 906, turn end and the slider bar 500 of described L shape swinging mounting 905 are rotationally connected; The two ends of described L like shape swinging mounting 906 respectively with movable push bar 511 and fixed frame base 400 sliding block joint, turn end and the slider bar 500 of described L like shape swinging mounting 906 are rotationally connected.Thus when can prevent train inverted running further, produce with pedal and clash into.Further, when guaranteeing the stressed retraction of movable push bar, the movable push bar of another side also synchronously can be retracted.
As further improvement, a pulley is installed on the top of described pusher 510 and 511 separately.
As further improvement, described rail traffic platform safety tread can also comprise a manual unlocking resetting structure; Described manual unlocking resetting structure comprises bull stick 1103 in switch 1101, trip lever 1102 and a unblock; Described slider bar 500 is arranged a reset fulcrum;
Trip lever 1102 and unblock transfer bar 1103 are rotatably connected on fixed frame base 400 respectively, and one end A end of trip lever 1102 is held with one end X of bull stick 1103 in unblock and contacted in partial angular extents; The other end B end of trip lever 1102 contacts in partial angular extents with the reset fulcrum of slider bar 500; In unblock, the X of bull stick 1103 is held and is connected by stay cord between the manual unlocking switch of drg 810; Described switch 1101 is fixed on fixed frame base 400, and for detecting the turned position of bull stick 1103 in unblock, switch 1101 comprises a signal output part, is connected with controller;
When described trip lever 1102 turns to the first deviation angle, its A holds the X end in contact with bull stick 1103 in described unblock, promote bull stick 1103 in unblock and turn to the second deviation angle, touch described switch 1101, switch 1101 sends an electric signal by touching backward controller, and slider bar 500 regained by indicating controller;
When described trip lever 1102 turns to the 3rd deviation angle, promote bull stick 1103 in unblock and turn to the 4th deviation angle, stay cord in unblock between bull stick 1103 and drg 810 tightens up, touch the manual unlocking device switch of drg 810, when described trip lever 1102 turns to the 5th deviation angle, prop up point cantact with the reset of slider bar 500, with described reset fulcrum for stress point, regain described slider bar 500;
Described first deviation angle is less than described 3rd deviation angle and is less than described 5th deviation angle, and described second deviation angle is less than described 4th deviation angle.
By this manual unlocking resetting structure, even if there is burst emergency situation, as platform power failure pedal cannot be regained, or indivedual pedal catastrophic failure cannot be regained, etc., also by manpower intervention, in time pedal is regained, thus avoid all trackings hand over train to cause damage or produce dysgenic possibility to the operation of train as far as possible.
As further improvement, described trip lever 1102 is rotatably connected on fixed frame base 400 with bull stick 1103 in unblock respectively by support 1104 and 1105; Described trip lever 1102 is connected a reduction torsion spring with between support 1104, is connected a reduction torsion spring in described unblock between bull stick 1103 with support 1105.
As further improvement, described switch 1101 is limit switch or proximity switch.
As further improvement, described stay cord is steel wire tow line.
As further improvement, vertically insert a latch 1106 at the centre of gration position of trip lever 1102, the external handle of latch 1106, the stressed rear drive latch 1106 of handle rotates, and drives trip lever 1102 to rotate by latch 1106.
Embodiment of the present invention compared with prior art, the key distinction and effect thereof are: form primarily of fixed frame base 400, slider bar 500 and tread elements 600, tread elements 600 is fixed on the front end of slider bar 500, and slider bar 500 is connected with the roller type slide block group plug-in type on fixed frame base 400 by slide rail 503; On fixed frame base 400, fix motor 801 and a transmission shaft 804, the output shaft of motor 801 front end and transmission shaft 804 synchronized links, when motor 801 rotates, drive transmission shaft 804 synchronous axial system; The horizontal diverse location of fixed frame base 400 is fixed with at least three transmission nodes, by Timing Belt synchronized links between each transmission node and transmission shaft 804, drives the transmission forward or backwards of each Timing Belt by transmission shaft 804; Fixing at least three buckles in slider bar 500, at least three Timing Belts described in being connected to respectively, with the generation of the transmission forward or backwards fore and aft motion of described each Timing Belt.By this Telescopic safe pedal, effectively can solve the potential safety hazard that the gap that exists between platform and Train door is brought to passenger, and can not the train in driving process be counteracted.And, stretching by coaxial 3 points (also can be more) synchro control safety tread, can guarantee the slider bar of safety tread in telescopic process can multiple spot stressed, thus ensure slider bar uniform force on horizontal diverse location, and then in long operational process, deformation is less likely to occur, extend its service life, ensure the stability in its operation process and safety.
Accompanying drawing explanation
Fig. 1 is the safety tread schematic diagram being arranged on platform in the present invention one better embodiment;
Fig. 2 is the safety tread schematic diagram under state of stretching out in the present invention one better embodiment;
Fig. 3 is the safety tread schematic diagram in the present invention one better embodiment under retracted mode;
Fig. 4 is fixed frame base 400 constructional drawing in the present invention one better embodiment;
Fig. 5 is the constructional drawing of slider bar 500 and tread elements 600 in the present invention one better embodiment;
Fig. 6 is the schematic diagram that in the present invention one better embodiment, slider bar stretches out fixed frame base;
Fig. 7 is the schematic diagram of slider bar retraction fixed frame base in the present invention one better embodiment;
Fig. 8 is platform safety tread motor transmission part constructional drawing in the present invention one better embodiment;
Fig. 8 a is Fig. 8 upper right corner partial enlarged drawing;
Fig. 8 b is Fig. 8 upper left corner partial enlarged drawing;
Fig. 9 is platform safety tread collision protection structure schematic diagram in the present invention one better embodiment;
Figure 10 is platform safety tread collision protection structure upward view in the present invention one better embodiment;
Figure 11 is platform safety tread manual unlocking resetting structure schematic diagram in the present invention one better embodiment;
Figure 11 a is Figure 11 right half part partial enlarged drawing;
Figure 12 is after in the present invention one better embodiment, movable push bar 510 and 511 is retracted, the view of safety tread and upper each L shape swinging mounting thereof;
Figure 13 is the plan sketch of manual unlocking resetting structure under general state in the present invention one better embodiment;
Figure 13 a is Figure 13 right half part partial enlarged drawing;
Figure 14 is the plan sketch of manual unlocking resetting structure when the first deviation angle in the present invention one better embodiment;
Figure 14 a is Figure 14 right half part partial enlarged drawing;
Figure 15 is the plan sketch of manual unlocking resetting structure when the 3rd deviation angle in the present invention one better embodiment;
Figure 15 a is Figure 15 right half part partial enlarged drawing;
Figure 16 is the plan sketch of manual unlocking resetting structure when the 5th deviation angle in the present invention one better embodiment;
Figure 16 a is Figure 16 right half part partial enlarged drawing.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.
The present invention one better embodiment relates to a kind of rail traffic platform safety tread.For filling up the gap between rail traffic platform and Train door, prevent passenger from being tripped by gap when getting on or off the bus or pin snaps in gap because stepping on sky.This safety tread is arranged on station edge of table, as shown in Figure 1.This safety tread has and stretches out and retraction two states, and respectively as shown in Figures 2 and 3, enter the station at train, during car door opening, safety tread is in the state of stretching out, and guarantees seamless link between platform and car door; Before launch train, safety tread retraction platform, in train travelling process, safety tread is in retracted mode, guarantees to keep certain gap between platform and car body, ensures the safety traffic of train.
Be introduced the concrete structure of safety tread below, this safety tread comprises fixed frame base 400, slider bar 500 and tread elements 600, respectively as shown in Figure 4 and Figure 5.Wherein, tread elements 600 is fixed on the front end of slider bar 500.What adopt in present embodiment is profile of tooth antiskid pedal, in actual applications, also can adopt common light face pedal.In Fig. 4, three longitudinal beams 402 of fixed frame base 400 secure two groups of roller type slide block groups, often group comprises 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, (in Fig. 4, only show two couples (four) the roller type slide block 403 being positioned at fixed frame base right half part, be arranged on longitudinal beam on the right of fixed frame base and middle respectively, fixed frame base left-half installs two pair roller type slide blocks 403 equally, be positioned on the fixed frame base left side and middle longitudinal beam, its structure and right half part are substantially identical).In slider bar 500, correspondence fixes two groups of parallel sliding tracks 503, and position is corresponding with the roller type slide block group on fixed frame base 400, and slider bar 500 is connected with the roller type slide block group plug-in type on fixed frame base 400 by slide rail 503.In the present embodiment, slider bar 500 is divided into two, left and right independently small frame 501, and each small frame 501 comprises two longitudinal beams 502, and every root longitudinal beam 502 is all fixed with slide rail 503.Slider bar about 500 two small frames 501 are connected with the roller type slide block group plug-in type on fixed frame base 400 by slide rail 503, and two small frames 501 carry out fore and aft motion each via the roller type slide block 403 of correspondence along slide rail direction.Tread elements 600 is fixed on the front end of slider bar 500, along with the fore and aft motion of slider bar 500, stretches out or retraction fixed frame base 400, and it stretches out distinguishes as shown in Figure 6 and Figure 7 with retracted mode.
Be covered with load-bearing cover plate above fixed frame base 400, stand for passenger.When tread elements 600 is profile of tooth antiskid pedal, fixed frame base 400 front end can also be fixed with one group of fishback, is meshed with the profile of tooth antiskid pedal in slider bar 500.In the process of profile of tooth antiskid pedal retraction fixed frame base 400, automatically clear away the rubbish on profile of tooth antiskid pedal by fishback.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 is the partial enlarged drawing in Fig. 8 upper right corner and the upper left corner), on fixed frame base 400, motor 801 is installed, on the output shaft 802 of motor 801 front end, fixes a synchronous cog belt wheel 803.On fixed frame base 400, also install a long turning cylinder 804, turning cylinder 804 secures 4 synchronizing jugged belt wheels, one of them is main synchronizing jugged belt wheel 805, and all the other 3 is from synchronizing jugged belt wheel 807.Main synchronizing jugged belt wheel 805 and the synchronizing jugged belt wheel 804 on motor output shaft, by same synchronous cog belt 806 (being called main synchronous cog belt) synchronized links, the latch of the connected synchronizing jugged belt wheel of the draw-in groove on synchronous cog belt is engaged mutually.When motor 801 rotates, synchronizing jugged belt wheel 803 is driven to rotate, by the serial verb construction of synchronizing jugged belt wheel 803, main synchronous cog belt 806 and main synchronizing jugged belt wheel 805, control the rotation of turning cylinder 804, so by turning cylinder 804 synchronously drive diverse location on it from synchronizing jugged belt wheel 807.
On fixed frame base 400, with on turning cylinder 804 three from synchronizing jugged belt wheel 807 opposite position, be also respectively arranged with three tensioning pulleys 809 (as transmission node), be fixed on fixed frame base 400 by support.On the turning cylinder 804 that tensioning pulley 809 on fixed frame base 400 is corresponding with it from synchronizing jugged belt wheel 807, be in transmission connection by same synchronous cog belt 808 (from synchronous cog belt).When turning cylinder 804 synchronously drives and respectively occurs to rotate forward or backwards from synchronizing jugged belt wheel 807, synchronously drive from synchronous cog belt 808 transmission forward or backwards.
Three longitudinal beams 502 of slider bar 500 are provided with separately a belt clamps 504 (buckle), be connected to 3 respectively from synchronous cog belt 808, drive from synchronous cog belt 808 by turning cylinder 804, forward or backwards during transmission, drive belt clamps 504 to seesaw, and then drive the elastic motion of slider bar 500.
By above-mentioned Multipoint synchronous drive mechanism; can guarantee slider bar 500 in telescopic process can multiple spot stressed; thus ensure slider bar uniform force in horizontal each position; and then in long operational process, deformation is less likely to occur; extend its service life, ensure the stability in its operation process and safety.
As further improvement, can connect a drg 810 after motor 801, motor 801 is all connected with controller with drg 810, and the motor 801 under drg 810 pairs of non-operating state carries out control for brake, when receiving the order that motor 801 starts from controller, motor 801 is unlocked.Thus put in place pedal is flexible, under the state that motor shuts down, can lock out motor, guarantee that pedal can not move forward and backward.Or under burst power down mode, can pass through the timely lock out motor of drg, control pedal stops flexible behavior, ensures that pedal remains static under power down mode, can not be elastic, to ensure passenger safety.
As further improvement, fixed frame base 400 arranges one group of proximity switch 811 along belt clamps 504 moving line (namely edge is from synchronous cog belt 808), as shown in Figure 8, the signal output part of each proximity switch 811 is connected with controller, each proximity switch 811 pairs of belt clampss 504 detect, when this belt clamps 504 enters the induction range of a certain proximity switch 811, this proximity switch 811 sends an electric signal to controller, controller determines the moving position of belt clamps 504 according to the position of the proximity switch sending electric signal, and then the telescopic location of current pedal part 500 is determined by the position at belt clamps 504 place, judge that whether tread elements 500 is flexible to put in place.
When belt clamps is metal material, proximity switch 811 can be metal detection sensor.
As further improvement, catastrophic failure is there is in order to prevent safety tread, normally do not retract after pedal stretches out, and train normally travels inbound, both produce clashes into, tracking is handed over train to cause and is damaged or produce harmful effect to the operation of train, adding collision protection structure on the basis of the above in present embodiment.
Specific as follows: a movable push bar 511 is installed in one end of the crossbeam foremost of slider bar 500, due in present embodiment, slider bar 500 by two independently small frame 501 form, therefore the external side end of independent small frame 501 crossbeam 512 foremost wherein movable push bar can be installed, as shown in Figure 9, movable push bar 511 inserts in beam pipe from crossbeam 512 external side end, carries out linear telescopic move along crossbeam.One L shape swinging mounting 901 is set, two ends sliding block joint fixed frame base 400 and the movable push bar 511 respectively of L shape swinging mounting 901, the turn end of L shape swinging mounting 901 is rotationally connected slider bar 500, form an interlinked mechanism, by this L shape swinging mounting, by the horizontal thrust of movable push bar, be converted into the inside thrust acted in slider bar, thus fixed frame base 400 that slider bar 500 is retracted.That is, when movable push bar 511 inwardly does straight-line motion (retraction), an inside horizontal thrust is brought in one end for its L shape swinging mounting 901 connected, and be connected with fixed frame base 400 due to the other end of L shape swinging mounting 901, thus after receiving this inside horizontal thrust, L shape swinging mounting 901 will with fixed frame base 400 for benchmark, inside rotation, and then produce the inside thrust of a vertical direction to slider bar 500, promote slider bar 500 and complete retract action.
In a particular application, as shown in Figure 10 (in order to more clearly see the connection structure of L shape swinging mounting clearly, Figure 10 shows the upward view of this collision protection structure, and, conceal the base plate on fixed frame base), a plate 506 can be fixed on movable push bar 511, connecting panel 506 be arranged connecting joint 507; The base plate of fixed frame 400 is arranged connecting joint 404 (base plate does not show in Fig. 10); The connecting panel 505 of slider bar 500 arranges connecting joint 508; L shape swinging mounting 901 two ends respectively arrange a slotted hole (902 and 903), by grooved hole 902 and 903 respectively with node 507, node 404 sliding block joint (grooved hole 902 corresponding node 507, grooved hole 903 corresponding node 404, below roughly the same) (specifically can on node fix screw nut, slide in grooved hole as axis, also other modes can be adopted to carry out sliding block joint), the turnover position 904 of L shape swinging mounting 901 is rotationally connected with node 508 (same can be that axis rotates with screw-nut).When movable push bar 511 inserts in beam pipe (in Figure 10 for the right straight-line motion), produce a horizontal thrust to the right, be delivered on L shape swinging mounting 901 by grooved hole 902, because the other end grooved hole 903 of L shape swinging mounting 901 is connected with the node 404 of fixed frame base 400, after receiving horizontal thrust, L shape swinging mounting 901 with node 404 for fulcrum force, there is clickwise, drive node 904 to produce an inside pulling force, thus slider bar 500 is retracted fixed frame base 400.After Figure 12 shows movable push bar 511 retraction, the view of slider bar 500, tread elements 600 and L shape swinging mounting 901.
By this collision protection structure, even if just in case there is train to sail platform and the unreclaimed situation of pedal into, train head impinges upon in pusher, produce a powerful thrust, by L shape swinging mounting, automatically this thrust is converted to the inside pulling force of slider bar, thus automatically by slider bar and pedal retraction fixed frame base, prevents the further shock of train and pedal.
It should be noted that, in said structure, movable push bar 511 is only connected to a L shape swinging mounting 901, in actual applications, movable push bar 511 can be lengthened, the two or more identical L shape swinging mounting of lateral connection thereon, the connection mode of each L shape swinging mounting is all identical with L shape swinging mounting 901, such as a L shape swinging mounting is set in left-half, connect movable push bar, the left-half of slider bar and fixed frame base, at right half part, a L shape swinging mounting is also set, connect movable push bar, the right half part of slider bar and fixed frame base.When the stressed retraction of movable push bar 511; left and right two parts simultaneously to slider bar are transmitted an inside pulling force by two, left and right L shape swinging mounting; thus while increasing the inside pulling force that is subject to of slider bar, guarantee slider bar uniform force, contribute to slider bar and inwardly retract.
As further improvement, during in order to prevent train inverted running further, produce with pedal and clash into, at the other end of the crossbeam foremost of slider bar 500, a movable push bar can be installed, equally, for present embodiment, at the external side end of another independent small frame 501 crossbeam 509 foremost, a movable push bar 510 can be installed.In order to reach simultaneously, the horizontal thrust of movable push bar 510 is converted into the inside thrust of slider bar, and when movable push bar 510 or 511 one end is inwardly shunk, drive the double effects of other end synchronous, in present embodiment, a two swinging mounting serial verb construction is set further, comprise L shape swinging mounting 905 and L like shape swinging mounting 906, wherein L like shape swinging mounting 906 is on the basis of L shape swinging mounting, adds the 3rd end.Two ends (907 and 908) the difference sliding block joint movable push bar 510 of swinging mounting 905 and the 3rd end 910 of swinging mounting 906, the turn end 909 of swinging mounting 905 is rotationally connected slider bar 500.Two ends (911 and 912) sliding block joint fixed frame base 400 and the movable push bar 511 respectively of swinging mounting 906, the turn end 913 of swinging mounting 906 is rotationally connected slider bar 500.(in present embodiment, movable push bar 511 is longer than movable push bar 510, and movable push bar 511 inserts in crossbeam 509, respectively with L shape swinging mounting 901 and 906 sliding block joint through crossbeam 512.) by this pair of swinging mounting serial verb construction, when movable push bar 510 inserts in beam pipe (in Figure 10 for left straight-line motion), by generation one horizontal thrust left, because movable push bar 510 is connected with one end 907 of swinging mounting 905, thus transmit a horizontal thrust left to 907 ends of swinging mounting 905, drive swinging mounting 905 left-hand revolution, again because swinging mounting 905 and 906 is at end points 910 sliding block joint, and then drive swinging mounting 906 clickwise, because 911 ends of swinging mounting 906 are connected with fixed frame base 400, thus swinging mounting 906 will with 911 ends for fulcrum force, carry out clickwise, node 913 is driven to produce an inside pulling force, thus slider bar 500 is retracted fixed frame base 400.
Simultaneously, because 912 ends of swinging mounting 906 are connected with movable push bar 511, when there is clickwise in swinging mounting 906, movable push bar 511 is retracted in crossbeam 512, and will synchronously drive swinging mounting 901 that clickwise occurs, drive node 904 to produce an inside pulling force, synchronous with the inside pulling force that node 913 produces slider bar 500 is retracted fixed frame base 400.Thus guarantee slider bar 500 both sides uniform force, prevent slider bar 500 from producing deformation.
After Figure 12 shows movable push bar 510 and 511 retraction, the view of safety tread and upper each L shape swinging mounting thereof.
Stressed identical in order to guarantee left and right two parts of slider bar 500 further; in present embodiment; the L bracket part-structure of L like shape swinging mounting 906 is identical with L shape swinging mounting 901; namely the angle of its turnover is identical with swinging mounting 901; thus guarantee in the process of retracting at movable push bar 511; L shape swinging mounting 901 and L like shape swinging mounting 906 are identical to the size of the inside pulling force that left and right two parts of activity box 500 transmit, and guarantee slider bar about 500 two parts uniform force.
It should be noted that, the support turning angle of the L shape swinging mounting 901 in present embodiment, L shape swinging mounting 905 and L like shape swinging mounting 906 is preferably 90 degree, also suitably can adjust according to the size of product, its turning angle can be greater than 90 degree, or is less than 90 degree.The support turning angle of the L shape swinging mounting 901 in Figure 10, L shape swinging mounting 905 and L like shape swinging mounting 906 is all less than 90 degree.
In like manner, clashed at movable push bar 511, when inwardly doing straight-line motion (retraction), clickwise is carried out by synchronously driving swinging mounting 901 and 906, and then drive node 904 and 913 to produce an inside pulling force respectively, synchronously slider bar 500 is retracted fixed frame base 400 from the right and left.Further, while swinging mounting 906 carries out clickwise, drive swinging mounting 905 is carried out left-hand revolution, eventually through the rotation of swinging mounting 905, movable push bar 510 is retracted in crossbeam 509.
Visible by the collision protection structure after this improvement, can realize receiving the function of clashing into rear automatic retraction pedal from both direction, and the movable push bar of synchronous retraction both direction, safety guarantee function is more comprehensively.
In addition; in order to avoid the shock of train head and pusher; wearing and tearing (as scraping paint, scuffing) are caused to train body; a pulley (pulley 513 and 514) can be installed separately on the top of pusher 510 and 511; thus the friction reduced between car body and pusher, the further safety of protection train.
It should be noted that, the connection mode of swinging mounting 905,906 and fixed frame base 400, slider bar 500, pusher 510, can be identical with the connection mode of swinging mounting 901.Namely a plate can be fixed on movable push bar 510, this connecting panel arranges connecting joint, by arranging grooved hole on swinging mounting 905 one end, realize with the sliding block joint of the connecting panel of movable push bar 510 (specifically can on node fix screw nut, slide in grooved hole as axis, other modes also can be adopted to carry out sliding block joint).In like manner, can reserve a plate, and on connecting panel, arrange connecting joint in slider bar 500, the turn end of swinging mounting 905 and the connecting panel of slider bar 500 are rotationally connected.In like manner, connecting joint can being set on the base plate of fixed frame base 400, by arranging grooved hole on swinging mounting 906 one end, realizing the sliding block joint with fixed frame base 400.
Further, in crossbeam, carry out linear telescopic motion in order to ensure movable push bar 511 and 510, on the body of rod of movable push bar 511 and 510, roller can be installed, to guarantee that it is straight-line motion; Or also can install a horizontal line slideway separately on crossbeam 509 and 512, every bar guide rail arranges a sliding shoe, and the connecting panel of sliding shoe and movable push bar is fixed together, thus guarantees that movable push bar is along guide rail straight-line motion, as shown in Figure 10.(two guide rails on crossbeam 509 and 512 independently, also can be linked as one)
As further improvement, in the rail traffic platform safety tread of present embodiment, a manual unlocking resetting structure can also be comprised, as shown in figure 11 (in order to make each parts see more clear, Figure 11 a has carried out partial enlargement signal to Figure 11).Mainly comprise bull stick 1103 in switch 1101, trip lever 1102, unblock.Wherein, switch 1101 can be limit switch (travel switch), also can be proximity switch.Trip lever 1102 and unblock transfer bar 1103 are rotatably connected on fixed frame base 400 respectively by support 1104 and support 1105.Generally, can be fixed on fixed frame base 400 by support 1104 and support 1105, trip lever 1102 and support 1104 are rotationally connected, and in unblock, bull stick 1103 and support 1105 are rotationally connected.Switch 1101 is fixed on fixed frame base 400, and for detecting the turned position of bull stick 1103 in unblock, switch 1101 comprises a signal output part, is connected with controller; Vertically insert a latch 1106 at the centre of gration position of trip lever 1102, drive trip lever 1102 to rotate by latch 1106.One end (being called that A holds) of trip lever 1102 contacts in partial angular extents with one end (being called that X holds) of bull stick 1103 in unblock.The other end (being called that B holds) of trip lever 1102 contacts in partial angular extents with the fulcrum 513 of slider bar 500, as shown in Figure 13 and 13a (Figure 13 shows the annexation at each position manual unlocking resetting structure from depression angle, Figure 13 a is the partial schematic diagram of Figure 13).In unblock, the X end of bull stick 1103 is connected by stay cord with between drg 810, the preferred steel rope of stay cord.One end of stay cord connects the X end of bull stick 1103 in unblock, the manual unlocking device (also known as manual release device) of other end connecting brake 810.
In the process of trip lever 1102 rotation, its A holds the X end in contact with bull stick 1103 in unblock, and in promotion unblock, bull stick 1103 rotates.As shown in figure 14, when trip lever 1102 turns to the first deviation angle, promote bull stick 1103 in unblock and turn to the second inclination angle, touch switch 1101, switch 1101 is touched rear generation one electric signal, is transferred to controller, sends automatic retraction order by controller to motor 801, motor 801 rotates, and regains slider bar 500.Specifically, if switch 1101 is limit switch, in then unlocking, bull stick 1103 contacts with the fork of limit switch in partial angular extents, when in unblock, bull stick 1103 turns to the second deviation angle, promote the fork of limit switch, touch this limit switch, as shown in figs. 14 and 14 a (Figure 14 a is the partial schematic diagram of Figure 14).If switch 1101 is proximity switch, then, when in unlocking, bull stick 1103 turns to the second deviation angle, enter the induction range of proximity switch, proximity switch senses bull stick 1103 in unblock, touches this proximity switch.
If after in unlocking, bull stick 1103 turns to the second deviation angle, 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 (Figure 15 a is the partial schematic diagram of Figure 15), when trip lever 1102 turns to the 3rd deviation angle, promote bull stick 1103 in unblock and turn to the 4th deviation angle, after reaching the 4th deviation angle, stay cord in unblock between bull stick 1103 and drg 810 tightens up, touch the manual unlocking device switch of drg 810, manual unlocking device starts, and carries out manual release to motor 801.Then, trip lever 1102 is rotated further, and when turning to the 5th deviation angle, its B end contacts with the fulcrum 513 of slider bar 500, promotes slider bar 500 and inwardly moves, regain slider bar, as shown in Figure 16 and 16a (Figure 16 a is the partial schematic diagram of Figure 16).In the specific implementation, the A of trip lever 1102 end can be set to arc, thus when bull stick 1103 turns to the 3rd deviation angle in unblock, no longer receive the rotary thrust of trip lever 1102, in unblock, bull stick can no longer rotate.
When reality uses, polygon (as square, the triangle) S. A. of latch 1106 can be inserted in by a handle, manually rotate handle, drive latch 1106 to rotate, and then drive trip lever 1102 to rotate.Handle is not fixedly connected in latch 1106.Corresponding, with latch 1106 opposite position on load-bearing cover plate, need to leave unlock hole, be inserted in latch 1106 for handle.
A torsion spring 1107 can also be connected, as shown in figure 11, in the process that trip lever 1102 rotates between trip lever 1102 with support 1104, torsion spring 1107 is tightened up, after slider bar 500 is retracted, trip lever 1102 no longer receives rotational force, is automatically resetted by trip lever 1102 by torsion spring 1107.Can connect a torsion spring (cannot show in Figure 11) equally between bull stick 1103 with support 1105 in unblock, in the process that bull stick 1103 rotates in unblock, this torsion spring is tightened up, and after trip lever 1102 resets, is automatically resetted by bull stick in unblock 1103 by this torsion spring.
By this manual unlocking resetting structure, even if there is burst emergency situation, as platform power failure pedal cannot be regained, or indivedual pedal catastrophic failure cannot be regained, etc., also by manpower intervention, in time pedal is regained, under non-powering-off state, only need one to pull gently, touch switch 1101, gets final product automatic drawing back pedal; Under powering-off state, be rotated further handle, can manually pedal be regained.Thus avoid all trackings hand over train to cause damage or produce dysgenic possibility to the operation of train as far as possible.
Although by referring to some of the preferred embodiment of the invention, to invention has been diagram and describing, but those of ordinary skill in the art should be understood that and can do various change to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (17)
1. a rail traffic platform safety tread, is characterized in that, comprises:
Fixed frame base 400, slider bar 500 and tread elements 600, tread elements 600 is fixed on the front end of slider bar 500;
Fixing at least two group roller type slide block groups at least three longitudinal beams 402 of fixed frame base 400, often organize roller type slide block group and comprise at least one pair of roller type slide block 403, corresponding fixing at least two group parallel sliding tracks 503 in slider bar 500, position is corresponding with the roller type slide block group on fixed frame base 400, and slider bar 500 is connected with the roller type slide block group plug-in type on fixed frame base 400 by slide rail 503; On fixed frame base 400, fix a motor 801, drive described slider bar 500 that fore and aft motion occurs by motor 801.
2. rail traffic platform safety tread according to claim 1, it is characterized in that, fixed frame base 400 arranges a transmission shaft 804, the output shaft of motor 801 front end and transmission shaft 804 synchronized links, when motor 801 rotates, drive transmission shaft 804 synchronous axial system;
The horizontal diverse location of fixed frame base 400 is fixed with at least three transmission nodes, by Timing Belt synchronized links between each transmission node and transmission shaft 804, drives the transmission forward or backwards of each Timing Belt by transmission shaft 804;
Fixing at least three buckles in slider bar 500, at least three Timing Belts described in being connected to respectively, with the generation of the transmission forward or backwards fore and aft motion of described each Timing Belt.
3. rail traffic platform safety tread according to claim 1, is characterized in that, is covered with load-bearing cover plate above described fixed frame base 400.
4. rail traffic platform safety tread according to claim 1, is characterized in that, described tread elements 600 is profile of tooth antiskid pedal;
Described fixed frame pan frontward end is also fixed with one group of fishback, is meshed with the described profile of tooth antiskid pedal in slider bar 500.
5. rail traffic platform safety tread according to claim 1, is characterized in that, also comprises a drg 810, be connected with motor 801, control for brake being carried out to the motor 801 under non-operating state, when receiving the order that described motor 801 starts, described motor 801 being unlocked.
6. rail traffic platform safety tread according to claim 2, it is characterized in that, on described fixed frame base 400, along described snapping motion route, one group of proximity switch is set, the signal output part of each proximity switch is connected with controller, each proximity switch detects described buckle, when described buckle enters the induction range of this proximity switch, send an electric signal to controller, described controller determines the moving position of buckle according to the position of the proximity switch sending electric signal.
7. rail traffic platform safety tread according to claim 1, it is characterized in that, also comprise a collision protection structure, described collision protection structure comprises movable push bar 511 and at least one L shape swinging mounting 901, described movable push bar 511 is installed on one end of activity box 500 front end cross beam, carries out fore and aft motion along described crossbeam;
Described L shape swinging mounting 901 two ends respectively with fixed frame base 400 and movable push bar 511 sliding block joint, turn end and the slider bar 500 of described L shape swinging mounting 901 are rotationally connected, and by described L shape swinging mounting 901, the horizontal thrust of described movable push bar 511 are converted to pulling force inside in described slider bar 500.
8. rail traffic platform safety tread according to claim 7, it is characterized in that, also comprise movable push bar 510, L shape swinging mounting 905 and a L like shape swinging mounting 906 in described collision protection structure, described L like shape swinging mounting 906 increases the 3rd end on the basis of L shape swinging mounting;
Described movable push bar 510 is installed on the other end of activity box 500 front end cross beam, carries out fore and aft motion along described crossbeam;
The two ends of described L shape swinging mounting 905 respectively with the 3rd end sliding block joint of movable push bar 510 and L like shape swinging mounting 906, turn end and the slider bar 500 of described L shape swinging mounting 905 are rotationally connected;
The two ends of described L like shape swinging mounting 906 respectively with movable push bar 511 and fixed frame base 400 sliding block joint, turn end and the slider bar 500 of described L like shape swinging mounting 906 are rotationally connected.
9. the rail traffic platform safety tread according to claim 7 or 8, is characterized in that, described movable push bar 510 and/or movable push bar 511 insert in beam pipe from the external side end of described crossbeam, carry out linear telescopic move along crossbeam.
10. the rail traffic platform safety tread according to claim 7 or 8, is characterized in that, a pulley is installed on the top of described pusher 510 and 511 separately.
11. rail traffic platform safety treads according to claim 9, is characterized in that, on the described crossbeam of described slider bar 500 front end, one horizontal line slideway A is installed, guide rail is arranged a sliding shoe X, described sliding shoe X and described movable push bar 511 fix, and/or
On the described crossbeam of described slider bar 500 front end, install a horizontal line slideway B, guide rail B is arranged a sliding shoe Y, described sliding shoe Y and described movable push bar 511 fix;
Described guide rail A and guide rail B is same guide rail, or, be two independent rails.
12. rail traffic platform safety treads according to claim 10, is characterized in that, described movable push bar 510 and/or 511 body of rod is provided with roller, and described movable push bar 510 and/or 511 carries out linear telescopic motion by roller in crossbeam.
13. rail traffic platform safety treads according to claim 5, is characterized in that, also comprise a manual unlocking resetting structure;
Described manual unlocking resetting structure comprises bull stick 1103 in switch 1101, trip lever 1102 and a unblock; Described slider bar 500 is arranged a reset fulcrum;
Trip lever 1102 and unblock transfer bar 1103 are rotatably connected on fixed frame base 400 respectively, and one end A end of trip lever 1102 is held with one end X of bull stick 1103 in unblock and contacted in partial angular extents; The other end B end of trip lever 1102 contacts in partial angular extents with the reset fulcrum of slider bar 500; In unblock, the X of bull stick 1103 is held and is connected by stay cord between the manual unlocking switch of drg 810; Described switch 1101 is fixed on fixed frame base 400, and for detecting the turned position of bull stick 1103 in unblock, switch 1101 comprises a signal output part, is connected with controller;
When described trip lever 1102 turns to the first deviation angle, its A holds the X end in contact with bull stick 1103 in described unblock, promote bull stick 1103 in unblock and turn to the second deviation angle, touch described switch 1101, switch 1101 sends an electric signal by touching backward controller, and slider bar 500 regained by indicating controller;
When described trip lever 1102 turns to the 3rd deviation angle, promote bull stick 1103 in unblock and turn to the 4th deviation angle, stay cord in unblock between bull stick 1103 and drg 810 tightens up, touch the manual unlocking device switch of drg 810, when described trip lever 1102 turns to the 5th deviation angle, prop up point cantact with the reset of slider bar 500, with described reset fulcrum for stress point, regain described slider bar 500;
Described first deviation angle is less than described 3rd deviation angle and is less than described 5th deviation angle, and described second deviation angle is less than described 4th deviation angle.
14. rail traffic platform safety treads according to claim 13, is characterized in that, described trip lever 1102 is rotatably connected on fixed frame base 400 with bull stick 1103 in unblock respectively by support 1104 and 1105;
Described trip lever 1102 is connected a reduction torsion spring with between support 1104, is connected a reduction torsion spring in described unblock between bull stick 1103 with support 1105.
15. rail traffic platform safety treads according to claim 13, is characterized in that, described switch 1101 is limit switch or proximity switch.
16. rail traffic platform safety treads according to claim 13, is characterized in that, described stay cord is steel wire tow line.
17. rail traffic platform safety treads according to claim 13, it is characterized in that, a latch 1106 is vertically inserted at the centre of gration position of trip lever 1102, the external handle of latch 1106, the stressed rear drive latch 1106 of handle rotates, and drives 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 |
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| CN201410338620.6A CN104554282B (en) | 2014-07-16 | 2014-07-16 | Safety pedal for rail transportation platform |
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| CN104554282A true CN104554282A (en) | 2015-04-29 |
| CN104554282B CN104554282B (en) | 2017-05-03 |
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| CN201410338620.6A Active CN104554282B (en) | 2014-07-16 | 2014-07-16 | Safety pedal for rail transportation platform |
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| HK (1) | HK1207344A1 (en) |
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| CN104875762A (en) * | 2015-06-17 | 2015-09-02 | 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***股份公司 | Safety pedal of rail traffic platform |
| CN105438187A (en) * | 2015-12-31 | 2016-03-30 | 上海嘉成轨道交通安全保障***股份公司 | Anti-collision structure for rail transit platform safety tread |
| CN106043137A (en) * | 2016-05-30 | 2016-10-26 | 上海汽车集团股份有限公司 | Return structure for electric step lever of large and medium-sized vehicle |
| CN106285059A (en) * | 2016-09-18 | 2017-01-04 | 北京机械设备研究所 | A kind of motor-driven extensible pedal for automobile 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 |
| CN107901920A (en) * | 2017-11-08 | 2018-04-13 | 中车长春轨道客车股份有限公司 | A kind of platform compensation device |
| CN109733417A (en) * | 2019-03-05 | 2019-05-10 | 方大智创科技有限公司 | Railway platform telescopic footboard device |
| CN110356421A (en) * | 2019-08-22 | 2019-10-22 | 覃春梅 | A kind of subway platform protection mechanism |
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| WO2020177160A1 (en) * | 2019-03-05 | 2020-09-10 | 方大智创科技有限公司 | Retractable train platform stepping board apparatus |
| CN109733417A (en) * | 2019-03-05 | 2019-05-10 | 方大智创科技有限公司 | Railway platform telescopic footboard device |
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| HK1207344A1 (en) | 2016-01-29 |
| CN104554282B (en) | 2017-05-03 |
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