Boarding bridge access cab apron device and employed roller devices thereof
Technical field
The utility model relates to a kind of passenger loading bridge passage cab apron device, particularly relates to a kind of passenger loading bridge passage cab apron device with cab apron picking-up device.
Background technology
In passenger loading bridge equipment, active tunnel comprises the first passage that fixedly sets up and the second channel that can relative first passage moves forward and backward at least, first passage rear end and rotation platform are hinged, front end puts in the second channel, by nylon slide block (roller) device and second channel socket, make second channel relatively first passage move forward and backward, to realize the flexible of passage, wherein first passage is provided with cab apron at the transition position of itself and second channel, with the diff-H and the seal clearance of transition two passages, increase attractive in appearance.
Existing a kind of connecting bridge cab apron device as shown in Figure 1, the pin jointed end 131 of cab apron 13 is articulated in the end of first passage base plate 11 by hinge 14, cab apron 13 can rotate around the axle center of hinge 14,132 of its free ends directly are overlapped on the base plate ornament 121 that is layed on the second channel base plate 12, when the relative first passage of second channel moves forward and backward, produce cliding friction between the free end 132 of cab apron 13 and the base plate ornament 121, thereby wearing and tearing base plate ornament 121 has influenced its service life.
Another kind of existing connecting bridge cab apron device as shown in Figure 2, the pin jointed end 231 of cab apron 23 is articulated in the end of first passage base plate 21 by hinge 24, cab apron 23 can rotate around the axle center of hinge 24, a pair of resilient holder part 25 has been welded in the bottom surface of first passage base plate 21, holder part 25 extends to the bottom of cab apron 23, its latter end is provided with regulates bolt 251 with cab apron 23 picking-ups, its free end 232 is not contacted with base plate ornament 221, and adjusting bolt 251 can be regulated the distance between cab apron free end 232 and the base plate ornament 221 according to demand.Like this, cab apron 23 no longer weares and teares and is layed in base plate ornament 221 on the second channel base plate 22 when the relative first passage of second channel moves forward and backward, in the time of above the people goes to cab apron 23, cab apron 23 can fall to base plate ornament 221, and the people makes cab apron 23 self-returns by the elastic force of holder part 25 later.This structure actv. has been avoided the friction between cab apron free end 232 and the base plate ornament 221, but, because it is loosening easily to regulate bolt 251, influenced result of use, and, because cab apron 23 can fall to base plate ornament 221 when the people stepped on the cab apron 23, step on empty sensation so can allow the people produce, feel is not steady and sure.
For this reason, be necessary to provide a kind of improved passage cab apron device to solve the deficiency of above two kinds of cab apron shape devices.
The utility model content
The purpose of this utility model is to provide a kind of Boarding bridge access cab apron device, can produce bigger friction between the cab apron device of solution prior art and the base plate ornament, and cab apron can fall to producing the not steady and sure problem of feel.
Another purpose of the present utility model is to provide a kind of roller devices that is used for cab apron device, can regulate contacting between the base plate of cab apron and passage easily.
To achieve these goals, the utility model provides a kind of Boarding bridge access cab apron device, be arranged between first passage and the second channel, comprise cab apron and picking-up device, this cab apron comprises pin jointed end and free end, and pin jointed end is articulated in the base plate end of first passage by hinge, and wherein this picking-up device comprises the roller devices that is arranged on the cab apron, this roller devices comprises supporting seat, is fixed on this cab apron; Roller shaft is fixed on the supporting seat; And roller, be enclosed within on this roller shaft, and contact with the base plate of second channel.This roller devices is preferably the opposed respectively both sides at this cab apron.In the passage cab apron device of the present utility model, this roller devices is arranged on the position that makes this cab apron leave second channel base plate one preset distance.This supporting seat is welded on the cab apron bottom surface, and supporting seat is provided with a supported hole that runs through, and this roller shaft passes this supported hole.This roller shaft can be fixed on the supporting seat by nut.Roller devices of the present utility model is used for the spacing shaft shoulder by one, is resisted against on the side of this cab apron and in this roller outside and be used to limit the sleeve of this roller and limit roller.This sleeve utilizes pin and roller shaft to be fixed together by being separately positioned on the pin-and-hole on it and on the roller shaft.The free end both sides of this cab apron are provided with the breach that cooperates with this roller devices.
A kind of roller devices that is used for the Boarding bridge access cab apron device comprises a supporting seat, is fixed on this cab apron; Roller shaft is fixed on the supporting seat; And roller, be enclosed within on this roller shaft.This supporting seat is provided with the supported hole that runs through, and passes through for this roller shaft.This roller devices also comprises a sleeve that is used for the spacing shaft shoulder and is arranged on this roller outside, and this sleeve is fixed by pin-and-hole and this roller shaft.
Technique effect of the present invention is:
After adopting above-mentioned such structure, because roller is with cab apron holder preset distance of base plate from second channel, the weight pressure-bearing that can not make cab apron on covering base plate ornament, therefore, when second channel when first passage moves, roller contacts with the base plate ornament, the cliding friction that friction of rolling between them produces during much smaller than cab apron and base plate ornament direct contact is simultaneously because the roller devices good rigidly, in the time of on the passenger steps on cab apron, cab apron can not fall, the feel having peace of mind.
In addition, because roller devices of the present utility model is arranged on the both sides of cab apron, do not have the problem that it is regulated after installation, its operation is very easy.
Description of drawings
Fig. 1 is the combination side schematic view of a kind of existing Boarding bridge access cab apron device and second channel base plate and base plate ornament;
Fig. 2 is the combination side schematic view of another kind of existing Boarding bridge access cab apron device and second channel base plate and base plate ornament;
Fig. 3 is the combination side sectional view of the utility model Boarding bridge access cab apron device and second channel base plate and base plate ornament;
Fig. 4 is the part sectional view of Boarding bridge access cab apron device among Fig. 3;
Fig. 5 is the part sectional view of the roller devices of Boarding bridge access cab apron device among Fig. 4.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
See also Fig. 3 and Fig. 4, the Boarding bridge access cab apron device is made up of cab apron 33 and a pair of roller devices 37 that is symmetricly set in cab apron 33 both sides, cab apron 33 comprises pin jointed end 331, free end 332 and the interconnecting gangway 333 between pin jointed end 331 and free end 332, pin jointed end 331 links to each other with hinge 34 1 ends by screw 35, the other end of hinge 34 is fixed on the base plate 31 of first passage by screw 36, like this, cab apron 33 can rotate around the axle center of hinge 34.
See also Fig. 3 to Fig. 5, roller devices 37 comprises supporting seat 371, roller shaft 372 and roller 373, wherein supporting seat 371 is welded on the bottom surface of cab apron interconnecting gangway 333, it is provided with supported hole 3711, roller shaft 372 1 ends are provided with pin-and-hole 3721, the other end is provided with screw thread 3722, the centre is provided with the shaft shoulder 3723, an end that is provided with screw thread 3722 inserts in the supported hole 3711, the shaft shoulder 3723 is stuck on the side of cab apron 33, has an end of screw thread 3722 fixing with nut 374, and flat gasket 375 and clamping washer 378 are arranged between nut 374 and the supporting seat 371, like this, just roller shaft 372 has been fixed on the supporting seat 371.The end that roller shaft 372 is provided with pin-and-hole 3721 is inserted in roller 373, be inserted in sleeve 376 then, sleeve 376 is provided with pin-and-hole 3761, the pin-and-hole 3721 of roller shaft and the pin-and-hole 3761 of sleeve are aimed at back insertion pin 377, sleeve 376 can be fixed on the roller shaft 372, thereby roller 373 is limited between the sleeve 376 and the shaft shoulder 3723.
See also Fig. 3, roller 373 contacts with base plate ornament 321 on being laid on second channel base plate 32, and according to the technical solution of the utility model, roller 373 can be arranged to by supporting seat 371 cab apron 33 be held up.Be understandable that, by roller devices of the present utility model is arranged on the preposition, after making that ornament on the base plate of roller and second channel contacts, can realize easily making it touch the surface of ornament, be also just to have reduced the friction between cab apron and the ornament surface greatly like this when second channel slides with respect to first passage.
Be more preferably; make its free end 332 exceed institute's shop fixtures plate ornament 321 certain distances on the base plate 32 of second channel; like this; when the relative first passage of second channel slides; 33 of the cab aprons base plate ornament 321 that can not rub; roller 373 rolls on base plate ornament 321 surfaces; force of sliding friction when the force of rolling friction that this rolling produced is far smaller than cab apron 33 and contacts with base plate ornament 321; thereby well protected base plate ornament 321; and, because the rigidity of roller devices 37 is better, in the time of above the people steps on cab apron 33; cab apron 33 can not fall, the feel having peace of mind.In addition, for making compact conformation of the present utility model, the utility model caves in the free end of cab apron and forms breach 38 from both sides, be used to be provided with roller devices 37.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.