CN201176267Y - Earthing two-channel electric gangway - Google Patents

Abstract

The utility model relates to a grounding type double channel electric accommodation ladder, which comprises a variable angle escalator, a carrier loader and a crane, wherein the escalator is formed by an upper horizontal platform, an inclined ladder section and a lower horizontal platform. The utility model is characterized in that the escalator can realize a ring operating escalator of rotary single chain in plane parallel with the continuous step of the inclined ladder section, wherein the step is provided with a guide wheel and double washboards, and the chain is a universal section chain, and is corresponding to the inclined ladder section, and parallel main rails, parallel sub rails and guide rails are symmetrically arranged on two parallel beam frames, the chain is rotated around a driving wheel and a driven wheel, and operates along the main rails, and a sub roller and the guide wheel are operated along the sub rails and the guide rails. The utility model has the beneficial effects that the difficult of the walking bordering of passengers is solved as the step is attached with the ground, and an upper channel and a lower channel are provided to bring conveniences for the double direction pass of the passengers.

Description

The electronic gangway ladder of ground connection type binary channel

Technical field

The utility model relates generally to a kind of continuous delivery passenger's electronic gangway ladder, relates in particular to a kind of medium or large passenger plane that is used for and seizes the opportunity personnel's electronic gangway ladder of ground connection type binary channel of usefulness of stepping on, disembark.

Background technology

Current, during the airplane of travelling, generally be the trestle type passage turnover cabin that is provided with by the airport; Adapting to passenger plane in addition stops the place and also adopts and rest in the other mobile gangway ladder of the aircraft cabin of stepping on, disembark.But a large amount of mobile gangway ladders that use in airport are still to climb on foot and step on so far, because the passenger mostly carries some luggage and articles, ascending stair has inconvenience more up and down, to old, weak, sick, residual person particularly difficulty.In recent years the exploitation of Automatic gangway ladder becomes the industry focus, and the report of relevant standing height Automatic gangway ladder and adjustable height Automatic gangway ladder appearred, it as the patent No. Automatic gangway ladder that a kind of adjustment height is provided in the Chinese patent " adjustable height Automatic gangway ladder " of ZL02228247.5, its structure comprises escalator, carrier loader, be arranged at the staircase crane on the carrier loader, escalator comprises the last horizontal stand that flexibly connects successively, the inclination bench reaches horizontal stand three parts down, mainly by roof beam structure, be fixed in the track on the roof beam structure, the step of Orbiting connection roller, drive the driving chain that step moves, drive wheel and actuating device constitute, this gangway ladder has been realized automatic carrying lifting, laborsaving convenience, can adjust the gangway ladder height according to the different hatch of different type of machines simultaneously, improved the use alerting ability, but its defective is: (1) is because escalator is traditional convertible single channel structure, its lower platform and ground-surface distance are minimum also will to be higher than more than 1 meter, therefore still kept transition step on foot before the lower platform, that boards difficultly is not solved; (2) escalator adopts convertible single channel structure, and noise is big and can only realize one-way trip, and passenger and crew member can't be provided current up and down simultaneously needs.

The utility model content

Main purpose of the present utility model is to provide a kind of ground connection type binary channel electronic gangway ladder at the problems referred to above, realize the step ground proximity and have the adjustable for height mobile type electric gangway ladder of two passages up and down, solve the difficulty that the passenger boards on foot with thorough, and bring the convenience of opposing traffic simultaneously.

The technical scheme that its technical matters that solves the utility model adopts is:

The electronic gangway ladder of a kind of ground connection type binary channel, comprise the angle escalator, carrier loader, be arranged at the staircase crane on the carrier loader, the angle escalator is by the last horizontal stand that flexibly connects successively, the inclination bench reaches down, and horizontal stand three parts constitute, mainly comprise roof beam structure, be fixed in the track on the roof beam structure, the step of Orbiting connection roller, drive the driving chain that step moves, driving chain wheel, actuating device and Armrest guardrail, it is characterized in that described angle escalator is by on being separately positioned on, the master of following horizontal stand, realize the strand bar of plane rotation and the continuous step round and round staircase of line tilt bench from driving chain wheel, described step is main for connecting, secondary roller is also set up two skirting board steps of the track adjusting wheel of adjusting step pedal face horizontality, but described chain is the universal-joint chain of vertical-horizontal bidirectional bending, corresponding with step aforementioned and the line tilt bench, be symmetrical arranged the parallel backbone that is positioned at the step inboard on the parallel inclination roof beam structure of two groups of captive joints respectively and be positioned at the parallel secondary rail in the step outside and the guided way that walks abreast, described universal-joint chain ring is around the master, rotate from driving chain wheel, and along parallel backbone operation, secondary roller and track adjusting wheel are respectively along parallel secondary rail and parallel guided way operation.

Described universal-joint chain is to constitute by some chain elements are hinged, each chain element is by the minor axis chain link and the major axis chain link is hinged forms, chain lobe and outer chain lobe in minor axis chain link and major axis chain link are equipped with, interior chain lobe is the bending part that is similar to the U type with outer chain lobe, its bending part correspondence respectively has the comb teeth shape gap that can mutually plug together vertical with the open end end face, open end is provided with the axis hole vertical with end face, the minor axis chain link is by the interior chain lobe that plugs together mutually with the alignment of open end axis hole, outer chain lobe, bearing between interior chain lobe open end is set in the main roller on the bearing and runs through axis hole and the minor axis of bearing composition; The major axis chain link is by the interior chain lobe, the outer chain lobe that plug together mutually with the alignment of open end axis hole, and the bearing between interior chain lobe open end is set in the main roller on the bearing and runs through axis hole and the major axis of bearing composition, and major axis is used to connect described step; The minor axis links is crossed the comb teeth shape gap of chain lobe in it and the comb teeth shape gap of the outer chain lobe of major axis chain link plugs together the formation hinge hole mutually, and hinge therefrom passes, and the hinge two ends are respectively by bearing suit power wheel, and power wheel and described master and slave driving chain wheel mesh.

Described connection master, secondary roller and two skirting board steps of setting up track adjusting wheel are mainly by interior, outer step bracket, be fixed in the pedal tread at two stands top, be fixed in the skirting board of support front and back side, be fixed on the outer support and extend to the exterior right angle bending part formula connecting rod that wheel design and secondary roller are housed of step and constitute, the wheel design that is arranged at the connecting rod top is sleeved on the jag vertical pivot of lower end by the horizontal guide sheave of embedded bearing, and possess the axle housing and the cap formation in gap with it at jag vertical pivot outside suit, correspondence has and possesses the gap with track adjusting wheel and make track adjusting wheel stretch out axle housing and the exterior hole of taking turns of cap on axle housing and the cap, and the wheel hole is provided with track adjusting wheel braking retaining edge; Secondary roller is vertically installed in the connecting rod bottom that is positioned at the step bottom, and the inner support of step is provided with the axis hole that connects main roller.

Described horizontal guide sheave outer rim is provided with all grooves of ring.

The parallel inclination roof beam structure of described two groups of captive joints is made up of inboard roof beam structure and outside roof beam structure respectively, every group of roof beam structure cross section is bracket " [] " shape, step, backbone, secondary rail and guided way are loaded on wherein, the cross sectional shape of backbone is the lumen with squarish of a side opening, described two parallel backbones are symmetrically fixed on towards step on the inwall of inboard roof beam structure of aforementioned two groups of roof beams structure with opening respectively, the universal-joint chain is vertical with main roller, power wheel is horizontally disposed with and is loaded in the backbone, guided way is provided with and embeds protruding stupefied in the track adjusting wheel outer rim groove, guided way and secondary rail are articulated in one respectively and adjust the connecting rod two ends, and on two groups of parallel roof beams structure outside inwalls, fixedly installing pivot shaft with the main roller coaxial position, adjust rod hinge connection on it.

Be provided with the anti-shake support between the parallel inclination roof beam structure of described two groups of captive joints.

Described horizontal stand front end down is equipped with folding gentle slope plate.

The beneficial effects of the utility model are: because the angle escalator that provides is by on being separately positioned on, the master of following horizontal stand, realize the strand bar of plane rotation and the continuous step round and round staircase of line tilt bench from power wheel, but the double-legged kickplate step of tape guide wheel and the universal-joint chain structure of vertical-horizontal bidirectional bending have been adopted, the step that this structure makes on the chain and hung keeps translational motion, need not overturn, so it is overhead very near at gangway ladder near end step, the small-sized gentle slope plate that need only cost an activity herein is a close proximity to ground, the passenger can walk several steps like a cork and promptly climb up gangway ladder, has solved the difficulty that gangway ladder is stepped on the existing horse block rank on foot of boarding; This device has been realized binary channel, makes the personnel of seizing the opportunity can be simultaneously up, descending, brings very big action convenient; During this external gangway ladder height adjustment, make the step pedal plane remain horizontality, step does not have the upset smoothness run, noise is little, moves more stablely, and the utility model is novel, practical, be particularly useful for large and medium-sized passenger plane, its structure is simplified slightly and also be can be used for the large building or the overline bridge of passing by on one's way, and is suitable for popularization.

Description of drawings

Fig. 1 is a main TV structure scheme drawing of the present utility model;

Fig. 2 is the plan structure scheme drawing (dismounting roof beam structure) of Fig. 1;

Fig. 3 a is the main TV structure scheme drawing of step;

Fig. 3 b is the plan structure scheme drawing of step;

Fig. 3 c is the left TV structure scheme drawing of step;

Fig. 3 d is the right TV structure scheme drawing of step;

Fig. 4 a is the main TV structure scheme drawing of cardan wheel chain;

Fig. 4 b is the plan structure scheme drawing of cardan wheel chain;

Fig. 5 is the A-A section-drawing of Fig. 2.

Among the figure: 1 gentle slope plate, 2 handrails protect and block, 3 times horizontal stands, 4 from driving chain wheel, 5 steps, the 5-1 skirting board, 5-2 secondary roller, 5-3 connecting rod, 5-4 cap, 5-5 jag vertical pivot, 5-6 axle housing, 5-7 track adjusting wheel, 5-8 main roller axis hole, 5-9 keeps off the edge, and 5-10 takes turns hole, 5-11 inner support, 5-12 outer support, the 5-13 pedal tread, 5-14 groove, 6 levers, 7-1 cylinder, the 7-2 cylinder, 8 levers, 9 anti-shake framves, 10 hydraulic pressure legs, 11 trucies, 12 electrical motors, 13 reductors, 14 sprocket for main drive, horizontal stand on 15,16 flexible frameworks, 17 hinges, 18 hinges, 19 nuts, 20 secondary rails, 21 guided ways, 21-1 fin, 22 chains, 22-1 comb teeth shape gap, the outer chain lobe of 22-2,22-3 main roller, chain lobe in the 22-4 minor axis, 22-5,22-6 comb teeth shape gap, 22-7 hinge, the 22-8 power wheel, 22-9 major axis, 22-10 bearing, 22-11 bearing,, 23 backbones, 24 roof beam structure groups, 25 fixed cross beams, 26 adjust connecting rod, 27 pivot shafts, 28 minor axis chain links, 29 major axis chain links.

Below in conjunction with drawings and Examples the utility model is described in detail.

The specific embodiment

Fig. 1-Fig. 5 shows the electronic gangway ladder of a kind of ground connection type binary channel, the angle escalator that comprises same as the prior art, carrier loader, be arranged at the staircase crane on the carrier loader, the angle escalator is by the last horizontal stand that flexibly connects successively, the inclination bench reaches down, and horizontal stand three parts constitute, mainly comprise roof beam structure, be fixed in the track on the roof beam structure, the step of Orbiting connection roller, drive the driving chain that step moves, driving chain wheel, actuating device and Armrest guardrail, of the present utility modelly be characterised in that above-mentioned angle escalator is by on being separately positioned on, following horizontal stand 15,3 master, from driving chain wheel 14,4 realize the strand bar of plane rotation and the continuous step round and round staircase of line tilt bench, described step 5 is main for connecting, secondary roller 22-3,5-2 also sets up two skirting board steps of the track adjusting wheel 5-7 that adjusts step pedal face horizontality, but above-mentioned chain 22 is the universal-joint chain of vertical-horizontal bidirectional bending, corresponding with step aforementioned and the line tilt bench, be symmetrical arranged the parallel backbone 23 that is positioned at step 5 inboards on the parallel inclination roof beam structure 24 of two groups of captive joints respectively and be positioned at the parallel secondary rail 20 in step 5 outsides and the guided way 21 that walks abreast, universal-joint chain 22 is around the master, from driving chain wheel 14,4 rotations, and along parallel backbone 23 operations, secondary roller 5-2 and track adjusting wheel 5-7 are respectively along parallel secondary rail 20 and 21 operations of parallel guided way.

Above-mentioned universal-joint chain 22 is to constitute by some chain elements are hinged, as Fig. 4 a, shown in Fig. 4 b, each chain element is by minor axis chain link 28 and 29 hinged compositions of major axis chain link, chain lobe 22-5 and outer chain lobe 22-2 in minor axis chain link 28 is equipped with major axis chain link 29, interior chain lobe is the bending part that is similar to the U type with outer chain lobe, its bending part correspondence respectively has the comb teeth shape gap 22-6 that can mutually plug together vertical with the open end end face, 22-1, open end is provided with the axis hole vertical with end face, minor axis chain link 28 is by the interior chain lobe 22-5 that plugs together mutually with the alignment of open end axis hole, outer chain lobe 22-2, bearing 22-11 between interior chain lobe open end is set in the main roller 22-3 on the bearing and runs through axis hole and the minor axis 22-4 of bearing 22-11 composition; Major axis chain link 29 is by the interior chain lobe 22-5, the outer chain lobe 22-2 that plug together mutually with the alignment of open end axis hole, bearing 22-11 between interior chain lobe open end, be set in the main roller 22-3 on the bearing and run through axis hole and the major axis 22-9 of bearing composition, major axis 22-9 is used to connect above-mentioned step 5; Minor axis chain link 28 plugs together the formation hinge hole mutually by the comb teeth shape gap 22-6 of chain lobe 22-5 in it and the comb teeth shape gap 22-1 of major axis chain link 29 outer chain lobe 22-2, hinge 22-7 therefrom passes, hinge 22-7 two ends are respectively by bearing 22-10 suit power wheel 22-8, and power wheel 22-8 and above-mentioned master and slave driving chain wheel 14,4 mesh.Universal-joint chain 22 is because its hinge 22-7 is vertical with long and short axle 22-4,22-9, so main roller 22-3 rotates in vertical direction, power wheel 22-8 rotates in the horizontal direction, Gu whole chain can the both direction bending, the chain that drives step when step on upper and lower horizontal stand during horizontal rotation can be made horizontal curvature; When the step of inclination bench during on upper and lower slope chain can do the vertical direction bending, by path of motion servo-actuated freely.

As Fig. 3 a, Fig. 3 b, Fig. 3 c, shown in Fig. 3 d, above-mentioned connection master, secondary roller 22-3,5-2 and two skirting board steps 5 of setting up track adjusting wheel 5-7 are mainly by interior, outer step bracket 5-11,5-12, be fixed in the pedal tread 5-13 at two stands top, be fixed in the skirting board 5-1 of two stands front and back side, be fixed in outer support 5-11 and go up and extend to the step 5 exterior right angle bending part formula connecting rod 5-3 formations that wheel design and secondary roller 5-2 are housed, the wheel design that is arranged at connecting rod 5-3 top is sleeved on the jag vertical pivot 5-5 of lower end by the horizontal guide sheave 5-7 of embedded bearing, and possess the axle housing 5-6 and the cap 5-4 formation in gap with it at jag vertical pivot outside suit, the horizontal guide sheave outer rim is provided with all groove 5-14 of ring, the last correspondence of axle housing 5-6 and cap 5-4 has possesses the gap with track adjusting wheel and makes track adjusting wheel stretch out axle housing and the exterior hole 5-10 that takes turns of cap, the wheel hole is provided with track adjusting wheel braking retaining along 5-9, is used to prevent that horizontal guide sheave from tilting; Secondary roller 5-2 is vertically installed in the connecting rod 5-3 bottom that is positioned at step 5 bottoms, and the inner support 5-12 of step 5 is provided with the axis hole 5-8 that connects main roller 22-3, and in the actual fabrication, the major axis 22-9 of above-mentioned chain 22 is screwed among the axis hole 5-8, and fixing with nut 19.

Fig. 5 is the A-A section-drawing of Fig. 1, the annexation that line tilt bench roof beam structure group and step, backbone, secondary rail and guided way are gone up in the left side is shown in the utility model, because of line tilt bench on line tilt bench and the left side under the right side is the left-right symmetric structure, so scheme omission.In the present embodiment, the parallel inclination roof beam structure 24 of two groups of above-mentioned captive joints is made up of inboard roof beam structure and outside roof beam structure respectively, and two groups of roof beams structure are fixed as one by the fixed cross beam 25 of bottom interval setting in the actual fabrication.Every group of roof beam structure cross section is bracket " [] " shape, step 5, backbone 23, secondary rail 20 and guided way 21 are loaded on wherein, the cross sectional shape of backbone 23 is the lumen with squarish of a side opening, above-mentioned two parallel backbones 23 are symmetrically fixed on towards step on the inwall of inboard roof beam structure of two groups of roof beams structure 24 with opening respectively, and universal-joint chain 22 is vertical with main roller 22-3, power wheel 22-8 is horizontally disposed with and is loaded in the backbone 23.Here, the effect of backbone 23 is guiding chain 22 curved on request, does big revolution to drive perpendicular to the step of chain, when the straight-line motion occasion, forces the vertical chain walking of step simultaneously.Guided way 21 is provided with the protruding stupefied 21-1 that embeds among the track adjusting wheel 5-7 outer rim ring week groove 5-14, guided way 21 is articulated in by hinge 17,18 respectively with secondary rail 20 and adjusts connecting rod 26 two ends, and on two groups of parallel roof beam structure 24 outside inwalls, fixedly install pivot shaft 27 with main roller 22-3 coaxial position, adjust connecting rod 26 and be hinged on this pivot shaft.

Characteristic in conjunction with above step, roof beam structure group, backbone, secondary rail and guided way about tape guide wheel is set forth, and as can be seen, step connects three different rollers; One is main roller 22-3, is contained on the universal-joint chain 22, by major axis 22-9 and 5 inboard linking to each other of step; A secondary roller is loaded on the step outside, and another is that track adjusting wheel 5-7 is loaded on the secondary roller homonymy, and main roller and secondary roller all play the effect of supporting step 5.The track adjusting wheel outer rim is provided with a groove 5-14, the protruding stupefied 21-1 of guided way 21 is embedded in wherein, when electronic gangway ladder height adjustment that the utility model provides, the angle of inclination bench changes, guided way 21 is with respect to backbone 23 Level Changes, guided way 21 drives track adjusting wheel 5-7 the state of step pedal face 5-13 is done corresponding change, promptly adjusts the height of guided way 21 with respect to backbone 23, just can adjust the state of step pedal face 5-13.Adjust connecting rod 26 with one between guided way 21 and the secondary rail 20 flexibly connects for this reason, backbone 23 is fixed on the inboard roof beam structure of roof beam structure group 24 of inclination flighting, when inclination flighting inclination angle changes, adjust connecting rod 26 and follow swing, this has just changed the distance between guided way 21 and the backbone 23, so the state of step pedal face obtains adjusting, and remains level.

Down horizontal stand 2 of the present utility model is platforms of a kind of framed structure, in rotating step 5 and chain 22 are housed from driving chain wheel 3, framework close proximity to ground, front end are equipped with folding gentle slope plate 1, and the guiding passenger climbs up gangway ladder, during making, gentle slope plate 1 can be by being articulated and connected with following horizontal stand 2; And the line tilt bench forms binary channel, and left bench is up, keeps supplying row and seizes the opportunity personnel and use, and right bench is descending, seizes the opportunity personnel's use for descending.Last horizontal stand 15 also is a framed structure, compiles two parallel inclination bench, forms spacious large platform available buffer discrepancy cabin crowd, built-in motor 12, reductor 13, sprocket for main drive 14, rotating step 5, chain 22 etc.For making whole gangway ladder stable, be provided with anti-shake support 9 at 24 in the roof beam structure of two groups of captive joints, solves overhead on the problem of rocking of horizontal stand.Corresponding hatch is provided with flexible framework 16 on last horizontal stand, so that dock with aircraft hatch elasticity.Adopt active articulated manner of the prior art between this three part.In the utility model two groups of roof beam structure arranged outside present escalator Armrest guardrail 2 commonly used, the handrail guardrail is equipped with the handrail with step synchronized operation.

Above-mentioned staircase crane has adopted the four-bar linkage structure of horizontal stand on the horizontal displacement that uses in the prior art, lower end and carrier loader are hinged, upper end and last horizontal stand are hinged. and 6,8 on lever supports with hydraulic ram 7-2, promote hydraulic ram 7-2, make lever swing, soon upward horizontal stand is parallel lifts.

Carrier loader adopts ten of repacking to take turns truck 10 in the present embodiment, and the gangway ladder of carrying a load on the back is walked in the airport.Having hydraulic power unit in the carrier loader provides hydraulic power, and one of electrical generator is installed on the car, and step and handrail operating power are provided, and chassis has four hydraulic pressure legs 31, and car with wheel jack-up, makes the gangway ladder smooth working behind the assigned address.(hydraulic power unit, electrical generator is not shown.)

Concrete operations:

Fig. 1 is a main TV structure scheme drawing of the present utility model; Fig. 2 is the plan structure scheme drawing of Fig. 1, shows the trend of step.In the time will starting working, at first by truck 10 escalator being transported to the pool seat in the plane puts, make horizontal stand outlet alignment machine hatch, generally locate to stop, start oil cylinder 7-1 apart from 200 millimeters in aircraft, with the position of descending horizontal stand 2 to move close proximity to ground to, the height on the plane separation ground of horizontal stand 15 is minimum 3 meters on this moment, stops oil cylinder 7-1, starts oil cylinder 7-2, continue jack-up and go up horizontal stand 14, make it concordant, stop oil cylinder 7-2, promote flexible framework 16 with engine room hatchway, it is docked with engine room hatchway, lay four hydraulic pressure pin 31, with firm escalator, so far dead work is ready with tire jack-up.Start mobile generator, press the gangway ladder start button, realize that around master and slave driving chain wheel the strand bar of plane rotation and the continuous step of line tilt bench begin round and round, transport the passenger.After work is finished, press the gangway ladder stop button, by opposite program escalator is transported then.

The utility model is changed the mode of motion of traditional gangway ladder; In gangway ladder, remain translational motion with a kind of special type step, never upset, and its function is constant.This electronic gangway ladder is mainly used in medium or large passenger plane and seizes the opportunity personnel's usefulness of stepping on, disembark.Promptly can be used for office building, auditoriums, hotels to substitute existing escalator facility as if on structure, simplifying slightly, also can be used for the overline bridge of passing by on one's way.

Claims (7)

1, the electronic gangway ladder of a kind of ground connection type binary channel, comprise the angle escalator, carrier loader, be arranged at the staircase crane on the carrier loader, the angle escalator is by the last horizontal stand that flexibly connects successively, the inclination bench reaches down, and horizontal stand three parts constitute, mainly comprise roof beam structure, be fixed in the track on the roof beam structure, the step of Orbiting connection roller, drive the driving chain that step moves, driving chain wheel, actuating device and Armrest guardrail, it is characterized in that described angle escalator is by on being separately positioned on, the master of following horizontal stand, realize the strand bar of plane rotation and the continuous step round and round staircase of line tilt bench from driving chain wheel, described step is main for connecting, secondary roller is also set up two skirting board steps of the track adjusting wheel of adjusting step pedal face horizontality, but described chain is the universal-joint chain of vertical-horizontal bidirectional bending, corresponding with step aforementioned and the line tilt bench, be symmetrical arranged the parallel backbone that is positioned at the step inboard on the parallel inclination roof beam structure of two groups of captive joints respectively and be positioned at the parallel secondary rail in the step outside and the guided way that walks abreast, described universal-joint chain ring is around the master, rotate from driving chain wheel, and along parallel backbone operation, secondary roller and track adjusting wheel are respectively along parallel secondary rail and parallel guided way operation.

2, the electronic gangway ladder of ground connection type binary channel according to claim 1, it is characterized in that described universal-joint chain is to constitute by some chain elements are hinged, each chain element is by the minor axis chain link and the major axis chain link is hinged forms, chain lobe and outer chain lobe in minor axis chain link and major axis chain link are equipped with, interior chain lobe is the bending part that is similar to the U type with outer chain lobe, its bending part correspondence respectively has the comb teeth shape gap that can mutually plug together vertical with the open end end face, open end is provided with the axis hole vertical with end face, the minor axis chain link is by the interior chain lobe that plugs together mutually with the alignment of open end axis hole, outer chain lobe, bearing between interior chain lobe open end is set in the main roller on the bearing and runs through axis hole and the minor axis of bearing composition; The major axis chain link is by the interior chain lobe, the outer chain lobe that plug together mutually with the alignment of open end axis hole, and the bearing between interior chain lobe open end is set in the main roller on the bearing and runs through axis hole and the major axis of bearing composition, and major axis is used to connect described step; The minor axis links is crossed the comb teeth shape gap of chain lobe in it and the comb teeth shape gap of the outer chain lobe of major axis chain link plugs together the formation hinge hole mutually, and hinge therefrom passes, and the hinge two ends are respectively by bearing suit power wheel, and power wheel and described master and slave driving chain wheel mesh.

3, the electronic gangway ladder of ground connection type binary channel according to claim 1, it is characterized in that described connection master, secondary roller and two skirting board steps of setting up track adjusting wheel are mainly by interior, outer step bracket, be fixed in the pedal tread at two stands top, be fixed in the skirting board of support front and back side, be fixed on the outer support and extend to the exterior right angle bending part formula connecting rod that wheel design and secondary roller are housed of step and constitute, the wheel design that is arranged at the connecting rod top is sleeved on the jag vertical pivot of lower end by the horizontal guide sheave of embedded bearing, and possess the axle housing and the cap formation in gap with it at jag vertical pivot outside suit, correspondence has and possesses the gap with track adjusting wheel and make track adjusting wheel stretch out axle housing and the exterior hole of taking turns of cap on axle housing and the cap, and the wheel hole is provided with track adjusting wheel braking retaining edge; Secondary roller is vertically installed in the connecting rod bottom that is positioned at the step bottom, and the inner support of step is provided with the axis hole that connects main roller.

4, the electronic gangway ladder of ground connection type binary channel according to claim 3 is characterized in that described horizontal guide sheave outer rim is provided with all grooves of ring.

5, according to claim 1,2, the electronic gangway ladder of 3 or 4 described ground connection type binary channel, the parallel inclination roof beam structure that it is characterized in that described two groups of captive joints is made up of inboard roof beam structure and outside roof beam structure respectively, every group of roof beam structure cross section is bracket " [] " shape, step, backbone, secondary rail and guided way are loaded on wherein, the cross sectional shape of backbone is the lumen with squarish of a side opening, described two parallel backbones are symmetrically fixed on towards step on the inwall of inboard roof beam structure of aforementioned two groups of roof beams structure with opening respectively, the universal-joint chain is vertical with main roller, power wheel is horizontally disposed with and is loaded in the backbone, guided way is provided with and embeds protruding stupefied in the track adjusting wheel outer rim groove, guided way and secondary rail are articulated in one respectively and adjust the connecting rod two ends, and on two groups of parallel roof beams structure outside inwalls, fixedly installing pivot shaft with the main roller coaxial position, adjust rod hinge connection on it.

6, the electronic gangway ladder of ground connection type binary channel according to claim 1 is characterized in that being provided with the anti-shake support between the parallel inclination roof beam structure of described two groups of captive joints.

7, the electronic gangway ladder of ground connection type binary channel according to claim 1 is characterized in that described horizontal stand front end down is equipped with folding gentle slope plate.

Images