CN106499330A - A kind of aircraft maintenance working stand - Google Patents
A kind of aircraft maintenance working stand Download PDFInfo
- Publication number
- CN106499330A CN106499330A CN201610991480.1A CN201610991480A CN106499330A CN 106499330 A CN106499330 A CN 106499330A CN 201610991480 A CN201610991480 A CN 201610991480A CN 106499330 A CN106499330 A CN 106499330A
- Authority
- CN
- China
- Prior art keywords
- fixed
- pieces
- fixed frame
- working stand
- hoistable platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/24—Non-hinged free-standing ladders
- E06C1/28—Non-hinged free-standing ladders multi-part
- E06C1/30—Non-hinged free-standing ladders multi-part extensible, e.g. telescopic
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/397—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders characterised by having wheels, rollers, or runners
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/02—Extending means
- E06C7/04—Hand-operated extending means carried by the ladder
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/06—Securing devices or hooks for parts of extensible ladders
Abstract
A kind of aircraft maintenance working stand, including：There are 4 columns, bottom surface to be only located at the left side, the right side and three frames below for one fixed frame, its, and bottom surface frame is provided with brace reinforcement, and the top of four columns is provided with guiding mechanism, and base of frame is provided with universal travel wheel；One hoistable platform, its have four columns, and top surface is platform, may be installed in the fixed frame, are provided with guide wheel in mesa base, and guide wheel is installed above to be had three pieces that can pull out forward retraction and pull slide plate；One lift drive mechanism, is straight-line motion mechanism, and its standing part is fixed on the fixed frame, motion parts and is fixed on the hoistable platform；One lifting lockable mechanism, on the fixed frame.Present configuration is scientific and reasonable vdiverse in function, and user can be close to the undercarriage of aircraft, wheel cabin, the position such as aircraft flap respectively using the ladder, and when aircraft is by jacking, also can correspondingly adjustment work platform height.
Description
Technical field
The present invention relates to a kind of aircraft maintenance working stand, there are several functions worker can be helped more efficiently to enter for which
Row aircraft maintenance works.
Background technology
Aircraft maintenance job demand maintainer is close to each position of aircraft, including undercarriage, wheel cabin, the aircraft flap
The positions such as the wing.Where these need maintenance position to be located at aircraft difference, and height is different, one when maintainer is close to these positions
As be required for by aircraft maintenance working stand.
The weak point that existing aircraft maintenance working stand is present has：Simple structure single function, if user needs to connect
The nearly different position of aircraft or aircraft need to be accomplished by being replaced as frequently as working stand when being switched to by jacking state.
Content of the invention
The technical problem to be solved, is just to provide a kind of aircraft maintenance working stand, its work(scientific and reasonable for structure
Can be various, user can be close to the undercarriage of aircraft, be taken turns the positions such as cabin, aircraft flap respectively using the ladder, and in aircraft
By during jacking, also can correspondingly adjustment work platform height.
Above-mentioned technical problem is solved, the technical solution used in the present invention is as follows：
A kind of aircraft maintenance working stand, is characterized in that including：
One fixed frame, which has 4 columns, and bottom surface is only located at the left side, the right side and three frames below (i.e. above nothing
Frame), bottom surface frame is provided with brace reinforcement, and the top of four columns is provided with guiding mechanism, and base of frame is provided with universal travel wheel；
One hoistable platform, its have 4 columns, and top surface is platform, may be installed in the fixed frame, sets in mesa base
There is a guide wheel, guide wheel is installed above there are are three pieces that can pull out forward retraction and pull slide plate；
One lift drive mechanism, is straight-line motion mechanism, and it is solid that its standing part is fixed on the fixed frame, motion parts
It is scheduled on the hoistable platform；
One lifting lockable mechanism, on the fixed frame.
Preferably：
The straight-line motion mechanism of the lift drive mechanism is：Proficiency hydraulic cylinder 9, cylinder body are fixed on the fixed frame
On left and right cross bar in the middle part of frame, tailpiece of the piston rod be fixed on the bottom of the hoistable platform.
Described lifting lockable mechanism includes：4 toothed racks, are fixed on 4 columns of the hoistable platform, and crown is downward；4
Individual lock device, on 4 angles at the top for being fixed on the fixed frame, its structure composition includes：Fixed mount 16, structure are two pieces
The facing traverse of rectangular slab, the rear portion on upper edge have connecting rod connection, front portion to be provided with tension spring hook, are provided with coaxial line in the middle of two pieces of rectangular slabs
Axis hole；One handle, front end are provided with transverse axis and through two pieces of rectangular slabs intermediate coaxial bobbin hole rotatable support；One dead bolt,
For riser shape, the corresponding crown downward with the tooth bar in front end, centre is provided with axis hole, is welded in the middle of two pieces of rectangular slabs
In the middle of handle transverse axis, the rear end of upper edge be located on two pieces of rectangular slabs along the connecting rod at rear portion can not on turn over so that lock
Tongue plays locking effect when being stuck on the tooth bar；Four-axle linkage bull stick, is the facing setting of two pieces little rectangular slabs, two pieces of rectangular slabs
Upper edge have connecting rod connection, upper and lower side to be all provided with corresponding through hole, linkage bull stick is through two pieces of squares by the through hole of lower end
On handle transverse axis outside shape plate；Two extension springs, one end is hooked on the fixed mount along anterior tension spring hook, the other end be hooked in described
On the connecting rod of linkage bull stick；Three gangbar, a radicle are provided with elbow bend, and the two ends of each bar are connected to described four
Linkage bull stick upper end through hole in cause four-axle linkage bar rotation when synchronization.
The guiding mechanism on the four columns top is：Two erected parallels and back channel-section steel 18 mutually at a right angle, right angle
Dehisce inwardly to correspond to two sides of four root posts of the hoistable platform, some circular holes are provided with the web of channel-section steel, in channel-section steel
Inner side is provided with the ball that part is exposed on circular hole corresponding to the circular hole position, and ball rear is provided with and is fixed on channel-section steel
Ball tray 17.
On the basis of the above, the present invention can also have following various improvement：
Fixed vertical cat ladder is fixed with behind described fixed frame, is fixed with lifting behind described hoistable platform
Vertical cat ladder is crisscrossed above the fixed vertical cat ladder.
Described fixed frame bottom is additionally provided with spiral liftable lower margin.
Described hoistable platform edge is provided with railing.
Described railing is drawing and pulling type handrail, is provided with latch for fixed lifting rail height.
Described fixed frame bottom is additionally provided with drawbar.
4 angles of hoistable platform of the present invention connect 4 square tubes with tooth bar respectively, realize rising with lifting lockable mechanism
With positioning function when dropping to level altitude, the rotating part of the lifting lockable mechanism at 4 angles respectively with a round steel connection,
Can achieve only to operate a handle, 4 lifting lockable mechanism actions simultaneously；The front end of hoistable platform is equipped with three pieces of slide plates, can root
According to different use environments, a certain distance is skidded off forward.
Beneficial effect：Using the aircraft maintenance working stand of above-mentioned technical proposal, undercarriage, the wheel for being close to aircraft can be realized
The function at multiple positions such as cabin, aircraft flap, while can equally be suitable in the case where aircraft is by jacking certain altitude.
Description of the drawings
Fig. 1 is embodiments of the invention schematic perspective view；
Lifting lockable mechanism schematic perspective views of the Fig. 2 for Fig. 1 embodiments；
Partial exploded views of the Fig. 3 for Fig. 2；
Close-up schematic views of the Fig. 4 for Fig. 2；
Cross-sectional schematics of the Fig. 5 for guiding mechanism.
Reference is expressed as follows：
1- slide plates, 2- drawing and pulling type handrails, 3- hoistable platforms, 4- vertical ladders, 5- lifting lockable mechanisms, 6- tooth bars, 7- wheels,
8- lower margins, 9- hand-hydraulic oil cylinders, 10- drawbars, 11- latches, 12- dead bolts, 13- extension springs, 14- handles, 15- rotating bars, 16- are solid
Determine frame, 17- ball trays, 18- channel-section steels.
Specific embodiment
Referring to Fig. 1 to Fig. 4, the aircraft maintenance working stand embodiment of the present invention, including：
One fixed frame, its there are four columns but bottom surface only have three frames and be located at below with left and right face, i.e. above nothing
Frame, bottom surface frame are provided with brace reinforcement, and base of frame is provided with universal travel wheel 7；Fixation is fixed with behind fixed frame
Vertical cat ladder 4, is fixed with the vertical cat ladder of lifting and crisscrosses between fixed vertical cat ladder behind hoistable platform；Fixed frame bottom
Spiral liftable lower margin 8 is additionally provided with, fixed frame bottom is additionally provided with drawbar 10；
One hoistable platform 3, its have four columns, top surface for platform, may be installed in big space framework and are provided with Guiding machine
Structure；Be provided with hoistable platform bottom and can pull out forward three pieces of retraction and independently pull slide plate 1, can according to different use environments,
Skid off forward a certain distance, hoistable platform edge is provided with railing, railing is drawing and pulling type handrail 2, latch 11 is provided with for fixing
Lifting rail height；
One lift drive mechanism 5, is straight-line motion mechanism, and its standing part is fixed on fixed frame, motion parts and fixes
On hoistable platform；Specifically include：Proficiency hydraulic cylinder 9, cylinder body is fixed on the left and right cross bar in the middle part of fixed frame, piston
Rod end is fixed on the bottom of hoistable platform；
One lifting lockable mechanism, installed in fixed frame, including：Four toothed racks 6, are fixed on four columns of hoistable platform
On, crown is downward；Four lock devices, are fixed on the angle of bottom four of fixed frame, and its structure composition includes：Fixed mount 16：
The facing traverse of two pieces of rectangular slabs, the front portion for having connecting rod connection, upper edge along rear portion on two pieces of rectangular slabs are provided with tension spring hook, centre
It is provided with the axis hole of coaxial line；One handle 14, front end are provided with transverse axis through two pieces of rectangular slab intermediate shaft holes；One dead bolt 12, is riser
Shape, the crown that front end is corresponding and tooth bar is downward, centre are provided with axis hole, are welded in the middle of the handle transverse axis in the middle of two pieces of rectangular slabs,
The rear end of upper edge be located at two pieces of rectangular slabs on along the connecting rod at rear portion can not on turn over so that play when dead bolt is stuck on tooth bar
Locking is acted on；Four-axle linkage bull stick, is the facing setting of two pieces little rectangular slabs, and there is connecting rod connection, up and down on the upper edge of two pieces of rectangular slabs
End is all provided with corresponding through hole, and linkage bull stick is through on the handle transverse axis outside two pieces of rectangular slabs by the through hole of lower end；Two extension springs
13, one end is hooked on two pieces of rectangular slabs along anterior tension spring hook, the other end is hooked on the handle transverse axis outside two pieces of rectangular slabs；Three
Root gangbar, a radicle are provided with elbow bend, make in the upper end through hole of the four-axle linkage bull stick that the two ends of each bar are connected to
Synchronization when obtaining four-axle linkage bar rotation.
Referring to Fig. 5, the guiding mechanism on four column tops is：Two erected parallels and back channel-section steel 18 mutually at a right angle, directly
Two sides of inside four root posts of the corresponding hoistable platform of dehiscing at angle, are provided with some circular holes on the web of channel-section steel,
Corresponding to the circular hole position on the inside of channel-section steel, the ball that part is exposed on circular hole is provided with, ball rear is provided with and is fixed on channel-section steel
On ball tray 17.
The present invention is divided into standing part and liftable part, and two parts are connected by hydraulic cylinder 9, the foot of liftable part four
A toothed rack 6 is welded to each, four angles of underframe of standing part welded to each a lifting lockable mechanism 5.
Fig. 2 is that 4 feet of the connected mode schematic diagram for lifting lockable mechanism, tooth bar and hoistable platform are welded, lockable mechanism
And welding of underframe, when hoistable platform declines, all unlock by only need to operating a handle.
Fig. 3 is the structural representation for lifting lockable mechanism, and handle 14 is welded together with dead bolt 12, rotating bar 15, fixed
Frame 16 is connected by extension spring 13 with rotating bar 15, and this mechanism can achieve 12 automatic unlocking of dead bolt when tooth bar 6 rises, and pass through extension spring
Make dead bolt angle be fixed on on plane-parallel, unblock is can achieve by rotating handle, decline tooth bar.
This invention compared with prior art, with advantages below：This working stand does not wherein install bottom bar on one side due to bottom,
Airplane wheel can be avoided, working stand propulsion wheel overhead, allows worker to carry out the maintenance work of landing gear position；By
Pullable handrail is used in hoistable platform, when aircraft wheel cabin is needed access to, handrail can be put down, be made working stand
Total height working stand can be made smooth advances under aircraft wheel cabin less than airframe minimum point；In addition, this working stand due to
Light structure, using flexible, the advantages of height adjustable, it may also be used for other positions that aircraft maintenance is needed access to.Due to this work
Make ladder widely applicable, vdiverse in function, the work that worker frequently changes working stand can be reduced, improve labor efficiency and equipment makes
With rate, while reducing the demand to simple function working stand, cost is reduced.
Claims (9)
1. a kind of aircraft maintenance working stand, is characterized in that including：
There are four columns, bottom surface to be only located at the left side, the right side and three frames below for one fixed frame, its, and bottom surface frame sets
There is brace to strengthen, the top of four columns is provided with guiding mechanism, and base of frame is provided with universal travel wheel (7)；
One hoistable platform (3), its have four columns, and top surface is platform, may be installed in the fixed frame, sets in mesa base
There is a guide wheel, guide wheel is installed above there are are three pieces that can pull out forward retraction and pull slide plate (1)；
One lift drive mechanism, is straight-line motion mechanism, and its standing part is fixed on the fixed frame, motion parts and is fixed on
On the hoistable platform；
One lifting lockable mechanism (5), on the fixed frame.
2. aircraft maintenance working stand according to claim 1, is characterized in that：The linear motion machine of the lift drive mechanism
Structure is：Proficiency hydraulic cylinder (9), cylinder body is fixed on the left and right cross bar in the middle part of the fixed frame, tailpiece of the piston rod is fixed on
The bottom of the hoistable platform.
3. aircraft maintenance working stand according to claim 1 and 2, is characterized in that：Described lifting lockable mechanism (5) bag
Include：Four toothed racks (6), are fixed on four columns of the hoistable platform, and crown is downward；Four lock devices, are fixed on described solid
On four angles at the top for determining framework, its structure composition includes：Fixed mount (16), structure are the facing traverse of two pieces of rectangular slabs,
The rear portion on upper edge has connecting rod connection, front portion to be provided with tension spring hook, is provided with coaxial line axis hole in the middle of two pieces of rectangular slabs；One handle (14),
Front end is provided with transverse axis and through two pieces of rectangular slabs intermediate coaxial bobbin hole rotatable support；One dead bolt (12), is riser shape,
The corresponding crown downward with the tooth bar in front end, centre are provided with axis hole, the handle transverse axis being welded in the middle of two pieces of rectangular slabs
Centre, the rear end of upper edge be located on two pieces of rectangular slabs along the connecting rod at rear portion can not on turn over so that dead bolt is stuck in institute
Locking effect is played when stating on tooth bar；Four-axle linkage bull stick (15), is the facing setting of two pieces little rectangular slabs, two pieces of rectangular slabs upper
Along having connecting rod connection, upper and lower side to be all provided with corresponding through hole, linkage bull stick is through two pieces of rectangular slabs by the through hole of lower end
On outer handle transverse axis；Two extension springs (13), one end is hooked on the fixed mount along anterior tension spring hook, the other end be hooked in described
On the connecting rod of linkage bull stick；Three gangbar, a radicle are provided with elbow bend, and the two ends of each bar are connected to described four
Linkage bull stick upper end through hole in cause four-axle linkage bar rotation when synchronization.
4. aircraft maintenance working stand according to claim 3, is characterized in that：The guiding mechanism (17) on the four columns top
For：Two erected parallels and back channel-section steel (18) mutually at a right angle, four of the inside corresponding hoistable platform of dehiscing at right angle
Two sides of column, are provided with some circular holes on the web of channel-section steel, corresponding to the circular hole position on the inside of channel-section steel, be provided with part
The ball being exposed on circular hole, ball rear are provided with the ball tray (17) being fixed on channel-section steel.
5. aircraft maintenance working stand according to claim 4, is characterized in that：It is fixed with behind described fixed frame
Fixed vertical cat ladder (4), are fixed with the vertical cat ladder of lifting and crisscross on the fixed vertical cat ladder behind described hoistable platform
Side.
6. aircraft maintenance working stand according to claim 5, is characterized in that：Described fixed frame bottom is additionally provided with spiral
Formula liftable lower margin (8).
7. aircraft maintenance working stand according to claim 6, is characterized in that：Described hoistable platform edge is provided with railing.
8. aircraft maintenance working stand according to claim 7, is characterized in that：Described railing is drawing and pulling type handrail (2), if
There is latch (11) to be used for fixed lifting rail height.
9. aircraft maintenance working stand according to claim 8, is characterized in that：Described fixed frame bottom is additionally provided with drawbar
(10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610991480.1A CN106499330B (en) | 2016-11-10 | 2016-11-10 | A kind of aircraft maintenance working stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610991480.1A CN106499330B (en) | 2016-11-10 | 2016-11-10 | A kind of aircraft maintenance working stand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106499330A true CN106499330A (en) | 2017-03-15 |
| CN106499330B CN106499330B (en) | 2019-06-21 |
Family
ID=58323696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610991480.1A Active CN106499330B (en) | 2016-11-10 | 2016-11-10 | A kind of aircraft maintenance working stand |
Country Status (1)
| Country | Link |
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| CN (1) | CN106499330B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701087A (en) * | 2017-10-31 | 2018-02-16 | 二重集团（镇江）重型装备厂有限责任公司 | A kind of adjustable for height step ladder |
| CN108313326A (en) * | 2018-03-16 | 2018-07-24 | 广州飞机维修工程有限公司 | The integral disassembly, assembly device and method of A330 type main landing gears |
| CN109704248A (en) * | 2019-01-17 | 2019-05-03 | 大连理工大学 | The aircraft maintenance scaffold unit of foldable lifting |
| CN109759998A (en) * | 2019-01-08 | 2019-05-17 | 扬州万方电子技术有限责任公司 | A kind of installation vehicle for turbofan aircraft engine |
| CN110065650A (en) * | 2019-05-24 | 2019-07-30 | 中国人民解放军第五七一零工厂 | Electric lifting plane nose repair work platform |
| CN112605957A (en) * | 2020-12-02 | 2021-04-06 | 珠海迪沃航空工程有限公司 | Intelligent aircraft engine disassembling and assembling platform and working method thereof |
| CN113968559A (en) * | 2021-09-22 | 2022-01-25 | 广州飞机维修工程有限公司 | ARJ21 airplane tail cabin approaching platform |
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| CN206220834U (en) * | 2016-11-10 | 2017-06-06 | 广州飞机维修工程有限公司 | A kind of aircraft maintenance working stand |
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| US20030217891A1 (en) * | 2002-05-22 | 2003-11-27 | Jeff Ganiere | Aircraft non-ambulatory loading system |
| JP2006328632A (en) * | 2005-05-23 | 2006-12-07 | Hasegawa Kogyo Co Ltd | Moving workbench |
| CN203114145U (en) * | 2012-10-31 | 2013-08-07 | 中国商用飞机有限责任公司 | Auxiliary working ladder for rear equipment compartment of airplane |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701087A (en) * | 2017-10-31 | 2018-02-16 | 二重集团（镇江）重型装备厂有限责任公司 | A kind of adjustable for height step ladder |
| CN108313326A (en) * | 2018-03-16 | 2018-07-24 | 广州飞机维修工程有限公司 | The integral disassembly, assembly device and method of A330 type main landing gears |
| CN108313326B (en) * | 2018-03-16 | 2023-11-28 | 广州飞机维修工程有限公司 | Integral dismounting device and method for A330 type main landing gear |
| CN109759998A (en) * | 2019-01-08 | 2019-05-17 | 扬州万方电子技术有限责任公司 | A kind of installation vehicle for turbofan aircraft engine |
| CN109759998B (en) * | 2019-01-08 | 2022-02-25 | 扬州万方科技股份有限公司 | Installation vehicle for turbofan aircraft engine |
| CN109704248A (en) * | 2019-01-17 | 2019-05-03 | 大连理工大学 | The aircraft maintenance scaffold unit of foldable lifting |
| CN109704248B (en) * | 2019-01-17 | 2023-12-29 | 大连理工大学 | Foldable lifting aircraft maintenance scaffold unit |
| CN110065650A (en) * | 2019-05-24 | 2019-07-30 | 中国人民解放军第五七一零工厂 | Electric lifting plane nose repair work platform |
| CN110065650B (en) * | 2019-05-24 | 2024-03-12 | 凌云(宜昌)航空装备工程有限公司 | Work platform for repairing aircraft nose of electric lifting aircraft |
| CN112605957A (en) * | 2020-12-02 | 2021-04-06 | 珠海迪沃航空工程有限公司 | Intelligent aircraft engine disassembling and assembling platform and working method thereof |
| CN112605957B (en) * | 2020-12-02 | 2022-03-15 | 珠海迪沃航空工程有限公司 | Intelligent aircraft engine disassembling and assembling platform and working method thereof |
| CN113968559A (en) * | 2021-09-22 | 2022-01-25 | 广州飞机维修工程有限公司 | ARJ21 airplane tail cabin approaching platform |
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| CN106499330B (en) | 2019-06-21 |
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