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Boarding bridge lifting device

A technology for lifting devices and boarding bridges, which is applied to ground devices, aircraft parts, transportation and packaging, etc. It can solve the problems of deformation and fracture at the connection between the inner conduit and the beam, and the failure to realize the transition between the outer conduit and the beam. Achieve the effect of stable transmission, high safety factor, firm connection and not easy to loosen

Active Publication Date: 2015-02-18
THYSSENKRUPP AIRPORT SYSTEM (ZHONGSHAN) CO LTD
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0002] The boarding bridge is usually composed of several sections of retractable channel sockets, which can be extended to the door of the aircraft and docked with it when the aircraft is getting on and off the passengers, so that passengers can transfer between the aircraft parking place and the terminal building in the airport , and the aircraft models are different, the height of the aircraft door is also different, so it is necessary to use the lifting system to adjust the height of the channel, but the common lifting system is mainly connected by flange structure or bolts between the conduit and the beam. Therefore, there are the following disadvantages, the transition between the outer conduit and the beam cannot be well realized, so that the connection between the inner conduit and the beam is deformed or even broken under the action of the dynamic load of the boarding bridge

Method used

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Embodiment Construction

[0027] refer to Figure 1 to Figure 9 , the present invention discloses a boarding bridge lifting device, comprising a beam 23 and an inner conduit 25, a moving device 24 is arranged below the beam 23, and the moving device 24 is manufactured using the prior art, and will not be described in detail here. The crossbeam 23 is oppositely provided with a positioning hole, and one end of the inner conduit 25 is inserted into the crossbeam 23 through the positioning hole, and the inner conduit 25 is welded to the crossbeam 23. Through the above-mentioned structure, the inner conduit 25 can be positioned accurately, reducing the vertical position of the inner conduit 25 itself. There is a deviation between the direction and the parallel direction, and the connection with the beam 23 is more firm and not easy to loose, avoiding the deviation between the vertical direction and the parallel direction caused by long-term use, and can better realize the transition between the outer conduit...

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Abstract

The invention discloses a boarding bridge lifting device comprising a beam and an inner guide pipe, wherein a locating hole is relatively formed in the beam; the inner guide pipe is inserted into the beam via the locating hole; the inner guide pipe is welded with the beam; a plunger type hydraulic cylinder is arranged in the inner guide pipe; an outer guide pipe capable of sliding up and down is sleeved on the inner guide pipe; the outer guide pipe is connected with the plunger type hydraulic cylinder by an upper fixing seat; the hydraulic cylinder is connected with the beam by a lower fixing seat; a hydraulic power device is arranged on the beam; and the plunger type hydraulic cylinder is driven by the hydraulic power device.

Description

technical field [0001] The invention relates to a boarding bridge, in particular to a boarding bridge lifting device. Background technique [0002] The boarding bridge is usually composed of several sections of retractable channel sockets, which can be extended to the door of the aircraft and docked with it when the aircraft is getting on and off the passengers, so that passengers can transfer between the aircraft parking place and the terminal building in the airport , and the aircraft models are different, the height of the aircraft door is also different, so it is necessary to use the lifting system to adjust the height of the channel, but the common lifting system is mainly connected by flange structure or bolts between the conduit and the beam. Therefore, there are the following disadvantages: the transition between the outer conduit and the beam cannot be well realized, so that the connection between the inner conduit and the beam is deformed or even broken under the a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64F1/305
Inventor 牛福维张子健梁万江F·沃朋伯格王立明梁博伟
Owner THYSSENKRUPP AIRPORT SYSTEM (ZHONGSHAN) CO LTD
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