CN108455475A - A kind of movable type aircraft cabin equipment transferring platform - Google Patents
A kind of movable type aircraft cabin equipment transferring platform Download PDFInfo
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- CN108455475A CN108455475A CN201810194883.2A CN201810194883A CN108455475A CN 108455475 A CN108455475 A CN 108455475A CN 201810194883 A CN201810194883 A CN 201810194883A CN 108455475 A CN108455475 A CN 108455475A
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000003028 elevating effect Effects 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000007689 inspection Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Abstract
A kind of movable type aircraft cabin equipment transferring platform, including：Pedestal (1) equipped with traveling wheel；Lift main platform (2), it is arranged in the top surface front of pedestal, it includes that cross section is all in " returning " font and lifting frame (2.1,2 in main fixed outer framework nested successively, main intermediate lift frame and most interior master, 2 and 2.3), it is main in the top surface of lifting frame be main platform；Main platform is lifted equipped with main hoist lifting intermediate lift frame and main interior lifting frame；Assist transferring platform (3), it is arranged at the top surface rear portion of pedestal, it includes that cross section is all in " mouth " font and nested successively auxiliary fixed outer framework, auxiliary intermediate lift frame and most interior auxiliary interior lifting frame (3.1,3,2 and 3.3), platform supplemented by the top surface of auxiliary interior lifting frame；Transferring platform is assisted to be equipped with the lifting of auxiliary elevating mechanism, auxiliary intermediate lift frame and auxiliary interior lifting frame；Main platform it is parallel with the relative edge of auxiliary platform and close to.The present invention can highly effective and safe mobile aircraft cabin equipment.
Description
Technical field
The present invention relates to a kind of mobile aircraft cabin equipment transferring platforms.
Background technology
Currently, when carrying out aircraft regular inspection at home, engine room facilities carry out manpower transport by the working stand of level altitude,
There is no dedicated engine room facilities carrying platform.The transport mode efficiency is low, and depends on peopleware and working condition, in personnel
When being not in good state, easily generates equipment landing and cause equipment damage and personnel casualty accidents.
Invention content
The technical problems to be solved by the invention are just to provide a kind of efficient, safety mobile aircraft cabin equipment turn
Transport platform.
Above-mentioned technical problem is solved, the technical solution adopted by the present invention is as follows：
A kind of movable type aircraft cabin equipment transferring platform, it is characterized in that including：
One is equipped with the pedestal 1 of traveling wheel；
The one main platform 2 of lifting, is arranged in the top surface front of the pedestal comprising cross section be all in " returning " font and according to
Lifting frame 2.1,2,2 and 2.3 (that is to say double in the main fixed outer framework of secondary nesting, main intermediate lift frame and most interior master
Layer), the top surface of main interior lifting frame is main platform；Lift main platform equipped with main hoist lifting intermediate lift frame and
Lifting frame in main；
One auxiliary transferring platform 3, be arranged at the top surface rear portion of the pedestal comprising cross section all be in " mouth " font and
Nested auxiliary fixed outer framework, auxiliary intermediate lift frame and most interior auxiliary interior lifting frame 3.1,3,2 and 3.3 (that is to say successively
Single layer), platform supplemented by the top surface of auxiliary interior lifting frame；Transferring platform is assisted to be equipped with the lifting of auxiliary elevating mechanism, auxiliary intermediate liter
Frame and auxiliary interior lifting frame drop；
The main platform is parallel with the relative edge of auxiliary platform and close to both facilitating transfer equipment thereon.
The main platform is equipped with the scalable extendable platform 2.4 docked with aircraft door.
Preferably：The main and auxiliary elevating mechanism includes hoist engine, level-one boom hoist cable and primary pulley group, two level
Boom hoist cable and secondary pulley group, hoist engine are located on fixed outer framework, and the one ends wound of level-one boom hoist cable is in elevator
On machine, the other end is fixed on after primary pulley group on intermediate lift frame；One end of two-stage hoisting steel wire rope is fixed on fixation
It is fixed on interior lifting frame on outer framework, after secondary pulley group of the other end through being fixed on intermediate lift frame.
Preferably：The main intermediate lift frame adapts to mesh plus the range minimum altitude of main interior lifting frame
The first floor of preceding all binary channels passenger planes can hatch door height, promote maximum height and meet the double-deck binary channels passenger plane such as A380/B747
Second layer hatch door height, and reserved certain altitude surplus；The auxiliary interior lifting frame range should meet minimum altitude
Not higher than 0.3 meter, maximum height is consistent with main platform.
The interior lifting frame top surface platform should have the work area that area is more than 4 meters × 4 meters, and bearing capacity is not
Less than 2.5 tons；The auxiliary interior lifting frame top surface platform should have the work area that area is more than 2 meters × 4 meters, bearing capacity
Not less than 1 ton.
The main platform is equipped with guiding and anti-falling mechanism comprising：It is erected at the phase of the main platform and auxiliary platform
Two opposite channel steels of opposite side both sides, opening, channel steel endosternum are fixed with the ratchet bar of setting, and main platform corresponding position is equipped with can
Control ratchet is engaged with ratchet bar, by controlling ratchet realization fall arrest and platform being oriented to based on.
These are all the prior arts below, therefore are not repeated.
Fixation outer framework, intermediate lift frame and the most interior interior lifting frame for lifting main platform and assisting transferring platform
Frame is mutual, is equipped with the lifting of riser guide mechanism guides.
The pedestal traveling wheel carries driving mechanism, constitutes from running gear.
The main platform is equipped with limiting device, it is ensured that auxiliary transferring platform cannot surmount main platform when being promoted, to real
The story-leveling function of existing two platforms；
The mobile aircraft cabin equipment transferring platform of the present invention further includes dynamic system, safety system and control
Monitoring system.
Advantageous effect：The present invention realizes the height of lifting platform by establishing the mechanical composition part using Double tabletop as core
Effect and safety, avoid colliding with aircraft from structural principle, and by safety system and monitoring system, realize each
The self safety of platform and mutual safety guarantee, and realize from walking function, to effectively meet platform in narrow hangar
It is adjusted in space close with aircraft.It is of the invention can effective guarantee is wide, narrow body aircraft is under service mode, transhipment cabin is set
Standby efficient and demand for security.
It actually uses and assesses through applicant, remove main cabin equipment by A380 airplane complete machines, 30 people of daily outfit carry out aircraft
Below deck equipment is disassembled, and per airplane, dismounting is at least saved 4 days every time, you can saved for 30 × 8 × 4 totally 960 working hours, according to the country
The 40 dollars of calculating of average each working hour, 1 frame A380 regular inspections can save 3.8 ten thousand dollars of work time cost at present, other narrow body machines
It can reduce by about 1.2 ten thousand dollars of work time costs.According to GAMECO, about 20 frame wide-bodied aircrafts carry out depth inspection (containing 1 every year on average at present
Frame A380), 26.6 ten thousand dollars of working hour expense can be saved altogether.It saves aircraft and stops a duration 42 days, the saving time is sufficient for increase by 1
Airplane depth is examined, and 5% depth inspection production capacity is promoted.
Description of the drawings
Fig. 1 is that (main platform and auxiliary transferring platform are all promoted to most one of stereoscopic schematic diagram of working condition of the present invention
It is high)；
Fig. 2 is the front view of one of working condition of the present invention；
Fig. 3 is the vertical view of one of working condition of the present invention；
Fig. 4 is the left view of one of working condition of the present invention；
Fig. 5 be working condition of the present invention stereoscopic schematic diagram two (main platform and assist transferring platform all drop to most
It is low)；
Fig. 6 is two front view of working condition of the present invention；
Fig. 7 is two vertical view of working condition of the present invention；
Fig. 8 is two left view of working condition of the present invention；
Fig. 9 is pedestal of the invention and main hoistable platform and the signal of auxiliary rotating platform first order stationary frame structure
Figure；
Figure 10 is the Winding rope machine pulley blocks schematic diagram of the elevating mechanism of the present invention；
Figure 11 is the pedestal schematic side view of the present invention；
Figure 12 is the pedestal schematic top plan view of the present invention；
Figure 13 is main platform guiding and anti-falling mechanism schematic cross-sectional view.
Reference numeral meaning in figure：1- pedestals；2- lifts main platform；The main fixed outer frameworks of 2.1-；The main intermediate lifts of 2.2-
Frame；Lifting frame in 2.3- master；Lifting frame top surface platform and the scalable extension docked with aircraft door are flat in 2.4- master
Platform (is built in following)；3- assists transferring platform；The auxiliary fixed outer frameworks of 3.1-；The auxiliary intermediate lift frames of 3.2-；The auxiliary interior liters of 3.3-
Frame drops；4- elevating mechanisms；5- is oriented to and anti-falling mechanism, 5.1- channel steels, 5.2 ratchet bars, the controllable ratchets of 5.3-.
Specific implementation mode
Referring to Fig. 1 to Figure 13, mobile aircraft cabin equipment transferring platform embodiment of the invention includes：
One is equipped with the pedestal 1 of traveling wheel (see Figure 11 and Figure 12)；
The one main platform 2 of lifting, is arranged in the top surface front of pedestal 1 comprising cross section is all in " returning " font and embedding successively
Lifting frame 2.3 in main fixed outer framework 2.1, main intermediate lift frame 2.2 and the most interior master covered, that is to say bilayer；It is interior
The top surface of lifting frame is main platform；It lifts main platform and lifts main intermediate lift frame and main interior liter equipped with main hoist 4
Frame 2.3 drops；
One auxiliary transferring platform 3, is arranged at the top surface rear portion of pedestal 1 comprising cross section is all in " mouth " font and successively
Nested auxiliary fixed outer framework, auxiliary intermediate lift frame and most interior auxiliary interior lifting frame 3.1,3,2 and 3.3, that is to say single layer
's.Platform supplemented by the top surface of auxiliary interior lifting frame；Transferring platform is assisted to be equipped with the lifting of auxiliary elevating mechanism, auxiliary intermediate lift frame
With auxiliary interior lifting frame.Main platform is parallel with the relative edge of auxiliary platform and close to both facilitating transfer equipment thereon.On main platform
Equipped with the scalable extendable platform 2.4 docked with aircraft door.
Referring to Figure 10, main and auxiliary elevating mechanism 4 includes hoist engine, level-one boom hoist cable and primary pulley group, two-stage hoisting
Steel wire rope and secondary pulley group, hoist engine are located on main fixed outer framework, and the one ends wound of level-one boom hoist cable is in hoist engine
The upper, other end is fixed on after primary pulley group on main intermediate lift frame；One end of two-stage hoisting steel wire rope is fixed on main solid
Determine on outer framework, be fixed on after secondary pulley group of the other end through being fixed on main intermediate lift frame in main on lifting frame.
Play the role of lifting speed put it is twice.
Main intermediate lift frame adapts to current all binary channels plus the range minimum altitude of main interior lifting frame
The first floor of passenger plane can hatch door height, promoted maximum height meet the double-deck binary channels passenger plane such as A380/B747 second layer hatch door it is high
Degree, and reserved certain altitude surplus；The auxiliary interior lifting frame range should meet minimum altitude and be not higher than 0.3 meter,
Maximum height is consistent with main platform.
Interior lifting frame top surface platform area is more than 4 meters × 4 meters of work area, and bearing capacity is not less than 2.5 tons；In auxiliary
Lifting frame top surface platform should have the work area that area is more than 2 meters × 4 meters, and bearing capacity is not less than 1 ton.
Referring to Figure 13, main platform is equipped with guiding and anti-falling mechanism 5 comprising：It is erected at the main platform and auxiliary platform
Relative edge both sides, opposite two channel steels 5.1 of opening, channel steel endosternum is fixed with the ratchet bar 5.2 of setting, and main platform corresponds to
Position is engaged equipped with controllable ratchet 5.3 with ratchet bar, by controlling ratchet realization fall arrest and platform being oriented to based on.
These are all the prior arts below, therefore are not repeated.
It is mutual to lift lifting frame in the main fixed outer framework, main intermediate lift frame and most interior master of main platform,
And between the auxiliary fixed outer framework and auxiliary interior lifting frame of auxiliary transferring platform, it is equipped with the lifting of riser guide mechanism guides；
Pedestal traveling wheel carries driving mechanism, constitutes from running gear；Main platform is equipped with limiting device, it is ensured that auxiliary transferring platform is promoted
Shi Buneng surmounts main platform, to realize the story-leveling function of two platforms.
The mobile aircraft cabin equipment transferring platform of the present invention further includes dynamic system, safety system and control
Monitoring system.
Duplex platform system, is core of the invention function, and other systems are designed around this system and provide clothes
Business.
This duplex platform system has main platform level altitude and is docked with aircraft door, and assistance platform has efficiently
Lift transport function；And can guarantee the lifting not collision caused by the shaking of itself with aircraft of assistance platform, omit personnel
Necessity of each lifting platform docking aircraft door.Meanwhile main platform has the scalable extendable platform docked with aircraft door,
To meet the safety requirements made up with the gap of aircraft door；
Further include by safety system, specifically based on the mobile engine room facilities transferring platform of duplex platform system
Include through reinforcement jacking system, height self-locking system, the safe decorum of backup and depend on main platform assistance platform it is flat
Layer and anti-drop system and load monitor system.
Safety system has Intelligence Feedback warning function and auto-action function, can guarantee in the normal service system of foundation
Occurs the safety assurance of case of emergency under degree.
Control and monitoring system, are acquired each security function, the power output of platform, control, can be in safety report
Effectively locked under the conditions of police, load offset etc. are a variety of platform operation, support personnel, aircraft and engine room facilities safety.Together
When, it is operated in order to facilitate personnel, control system has 2 sets of line traffic controls, a set of remote control system with priority function, can be convenient
Personnel observe and operate at various locations.
It is the indispensable component part of entire platform device from running gear.In conjunction with the production status of domestic MRO, machine
Allow the space that posture was walked and adjusted to equipment very narrow in library.It relies on trailer adjustment posture and needs very big place, together
The internal combustion engine vehicles while passing hangar of Shi Minhang regulations has stringent control requirement.Have the platform from walking function, is to solve
The important means of walking and pose adjustment in hangar.
Each system of this platform, the Core Feature being all designed around realize comprehensive utilization, it is ensured that increasingly narrow
In hangar space, the safe and efficient transport function for realizing aircraft cabin equipment.
It is the work for meeting large-scale main cabin part and being sent out from aircraft door, putting and turn to lift main platform 2 its function, simultaneously
It can be used as main cabin part and send out the transfer storage area after hatch door；It is not high that auxiliary interior lifting frame range should meet minimum altitude
In 0.3 meter, ground storage platform vehicle is transmitted to convenient for main cabin equipment；Maximum height is consistent with main platform；To assist transhipment flat
Platform can be used between main platform and ground quickly being transported main cabin equipment.
Claims (6)
1. a kind of movable type aircraft cabin equipment transferring platform, it is characterized in that including：
One is equipped with the pedestal (1) of traveling wheel；
The one main platform (2) of lifting, is arranged in the top surface front of the pedestal comprising cross section is all in " returning " font and successively
Lifting frame in nested main fixed outer framework, main intermediate lift frame and most interior master (2.1,2,2 and 2.3), it is main in lifting
The top surface of frame is main platform；Main platform is lifted equipped with main hoist lifting intermediate lift frame and main interior lifting frame；
One auxiliary transferring platform (3), be arranged at the top surface rear portion of the pedestal comprising cross section all be in " mouth " font and according to
The auxiliary fixed outer framework of secondary nesting, auxiliary intermediate lift frame and most interior auxiliary interior lifting frame (3.1,3,2 and 3.3), auxiliary interior liter
Platform supplemented by the top surface of drop frame；Transferring platform is assisted to be equipped with the lifting of auxiliary elevating mechanism, auxiliary intermediate lift frame and auxiliary interior liter
Frame drops；
The main platform is parallel with the relative edge of auxiliary platform and close to both facilitating transfer equipment thereon.
2. movable type aircraft cabin equipment transferring platform according to claim 1, it is characterized in that：It is set on the main platform
There is the scalable extendable platform (2.4) docked with aircraft door.
3. movable type aircraft cabin equipment transferring platform according to claim 1 or 2, it is characterized in that：The main and auxiliary liter
Descending mechanism includes hoist engine, level-one boom hoist cable and primary pulley group, two-stage hoisting steel wire rope and secondary pulley group, hoist engine
It is located on fixed outer framework, the one ends wound of level-one boom hoist cable is on hoist engine, other end fixation after primary pulley group
On intermediate lift frame；One end of two-stage hoisting steel wire rope is fixed on fixed outer framework, the other end is through being fixed on intermediate liter
It is fixed on interior lifting frame after secondary pulley group on drop frame.
4. movable type aircraft cabin equipment transferring platform according to claim 1 or 2 or 3, it is characterized in that：The master is flat
Platform is equipped with guiding and anti-falling mechanism (5) comprising：It is erected at relative edge both sides, the opening phase of the main platform and auxiliary platform
To two channel steels (5.1), channel steel endosternum is fixed with the ratchet bar (5.2) of setting, and main platform corresponding position is equipped with controllable spine
Wheel (5.3) is engaged with ratchet bar.
5. movable type aircraft cabin equipment transferring platform according to claim 4, it is characterized in that：The main intermediate lift
The first floor that frame adapts to current all binary channels passenger planes plus the range minimum altitude of main interior lifting frame can hatch door height
Degree promotes the second layer hatch door height that maximum height meets the double-deck binary channels passenger plane such as A380/B747, and more than reserved certain altitude
Amount；The auxiliary interior lifting frame range should meet minimum altitude and be not higher than 0.3 meter, maximum height and main platform one
It causes.
6. movable type aircraft cabin equipment transferring platform according to claim 5, it is characterized in that：The interior lifting frame
Top surface platform area is more than 4 meters × 4 meters, and bearing capacity is not less than 2.5 tons；The auxiliary interior lifting frame top surface platform area is big
In 2 meters × 4 meters, bearing capacity is not less than 1 ton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194883.2A CN108455475A (en) | 2018-03-09 | 2018-03-09 | A kind of movable type aircraft cabin equipment transferring platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810194883.2A CN108455475A (en) | 2018-03-09 | 2018-03-09 | A kind of movable type aircraft cabin equipment transferring platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108455475A true CN108455475A (en) | 2018-08-28 |
Family
ID=63217286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810194883.2A Withdrawn CN108455475A (en) | 2018-03-09 | 2018-03-09 | A kind of movable type aircraft cabin equipment transferring platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108455475A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4701097A (en) * | 1986-09-22 | 1987-10-20 | Fmc Corporation | Rear platform lift |
| JP2000120360A (en) * | 1998-10-16 | 2000-04-25 | Matsuoka Kenki Kk | Self-traveling ladder |
| CN104444926A (en) * | 2014-12-06 | 2015-03-25 | 吉林赛金得智能机械制造有限公司 | Non-interference multipoint synchronization lifter |
| CN104743468A (en) * | 2013-12-31 | 2015-07-01 | 中核武汉核电运行技术股份有限公司 | Nuclear reactor pressure container examination lifting and positioning platform |
| CN204607535U (en) * | 2015-04-03 | 2015-09-02 | 沈阳宝通门业有限公司 | A kind of aircraft rear door maintenance platform with two grade of ascend and descend column |
| CN105383708A (en) * | 2015-12-16 | 2016-03-09 | 中国人民解放军军事交通学院 | Lift loading and unloading ferrying device for airport |
| CN105501461A (en) * | 2015-12-16 | 2016-04-20 | 中国人民解放军军事交通学院 | Semi-trailer type ferry device realizing lift loading and unloading in airport |
| CN206108605U (en) * | 2016-09-19 | 2017-04-19 | 中都国脉电梯有限公司 | Vertical lift elevator anti -falling device |
| CN106915711A (en) * | 2017-03-30 | 2017-07-04 | 浙江大学 | A kind of single lowering or hoisting gear for driving multistage synchronization lifting |
| CN208120661U (en) * | 2018-03-09 | 2018-11-20 | 广州飞机维修工程有限公司 | A kind of movable type aircraft cabin equipment transferring platform |
-
2018
- 2018-03-09 CN CN201810194883.2A patent/CN108455475A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4701097A (en) * | 1986-09-22 | 1987-10-20 | Fmc Corporation | Rear platform lift |
| JP2000120360A (en) * | 1998-10-16 | 2000-04-25 | Matsuoka Kenki Kk | Self-traveling ladder |
| CN104743468A (en) * | 2013-12-31 | 2015-07-01 | 中核武汉核电运行技术股份有限公司 | Nuclear reactor pressure container examination lifting and positioning platform |
| CN104444926A (en) * | 2014-12-06 | 2015-03-25 | 吉林赛金得智能机械制造有限公司 | Non-interference multipoint synchronization lifter |
| CN204607535U (en) * | 2015-04-03 | 2015-09-02 | 沈阳宝通门业有限公司 | A kind of aircraft rear door maintenance platform with two grade of ascend and descend column |
| CN105383708A (en) * | 2015-12-16 | 2016-03-09 | 中国人民解放军军事交通学院 | Lift loading and unloading ferrying device for airport |
| CN105501461A (en) * | 2015-12-16 | 2016-04-20 | 中国人民解放军军事交通学院 | Semi-trailer type ferry device realizing lift loading and unloading in airport |
| CN206108605U (en) * | 2016-09-19 | 2017-04-19 | 中都国脉电梯有限公司 | Vertical lift elevator anti -falling device |
| CN106915711A (en) * | 2017-03-30 | 2017-07-04 | 浙江大学 | A kind of single lowering or hoisting gear for driving multistage synchronization lifting |
| CN208120661U (en) * | 2018-03-09 | 2018-11-20 | 广州飞机维修工程有限公司 | A kind of movable type aircraft cabin equipment transferring platform |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180828 |
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| WW01 | Invention patent application withdrawn after publication |