CN202671164U - Maintenance working ladder lifting basket - Google Patents
Maintenance working ladder lifting basket Download PDFInfo
- Publication number
- CN202671164U CN202671164U CN 201220344884 CN201220344884U CN202671164U CN 202671164 U CN202671164 U CN 202671164U CN 201220344884 CN201220344884 CN 201220344884 CN 201220344884 U CN201220344884 U CN 201220344884U CN 202671164 U CN202671164 U CN 202671164U
- Authority
- CN
- China
- Prior art keywords
- base plate
- hanging basket
- fence
- permanent seat
- square steel
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a maintenance working ladder lifting basket which comprises rectangular folding rails which are formed by connection of rails on three sides and a rigid base plate through an articulated mechanism. A free edge of the base plate (9) in a working state can respectively restrict horizontal positions of two rear pillars (33) of a left rail and a back rail through limiting blocks (5). A movable seat (26) sleeved on each rear pillar and buckles (25) connected between the movable seat and a foot end handle (21) constitute two groups of buckle assemblies, movable handles fixedly connected with fixing seats (24) drive the buckles, pressing rings (27) are pulled to lock the pillars, foot ends of the pillars at two sides of the rail of a fixed edge of the rails on the base plate are provided with pedal fixing seats (12) in assembled mode, a base rotating shaft (14) is connected with the base plate through the pedal fixing seats (12), the fixing seats are connected with the base plate through an extension spring mechanism, and the base plate is folded by the extension spring mechanism through a long back shaft. The volume of the maintenance working ladder lifting basket after folding is just 26% that of the maintenance working ladder lifting basket in spreading.
Description
Technical field
The utility model relates to a kind of aircraft maintenance maintenance equipment that is mainly used in, specifically the utility model relates to a kind of high-order maintenance mechanism that supplies the ground maintenance personnel aircraft to be carried out ground maintenance work, is to promote the ground maintenance personnel for the airplane tail group working stand to arrive the lifting hanging basket that elevated platform is carried out the maintenance operation.
Background technology
The ground maintenance forces hinders for the maintenance that solves owing to transport plane fuselage length and height, need to implement maintenance to aircraft by maintenance plant maintenance workplatform, but the terrain clearance of dorsal fin, wing, horizontal tail etc. is about 6 meters, and transport plane fuselage length and height have brought the inconvenience of safeguarding to the ground service guarantee.If the ground maintenance personnel adopt traditional vertical ladder to climb elevated platform, not only safety is very poor, and the afterbody working stand is in storage and during travelling position, and traditional vertical ladder can not shrink, and takes up room larger; If adopting, the ground maintenance personnel are introduced into elevated platform, lift again and stretch 6 meters high working positions of elevated platform arrival, act extends through the not steady of journey, easily causes safety issue, and the existence of these problems all affects the operability of airplane tail group working stand elevated platform handling labor.
Summary of the invention
The utility model provides a kind of steadily reliable, safe for the weak point that above-mentioned prior art exists, and folding maneuverability takes up room little.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of locomotive work ladder promotes hanging basket, comprise, the rotatable folding rectangle foldable fence that is mainly formed by three fences of linkage connection and rigid plate, it is characterized in that, the position that the free edge of base plate 9 limits respectively two rear column 33 horizontal directions on left fence and the rear enclosure by positive stop 5 in working order the time, and the sliding seat 26 by suit on the rear column 33 and be connected in mutually sliding seat 26 with foot handle 21 between two groups of latch components of latch closure 25 compositions, drive latch closure 25 by the free handle 21 that connects firmly at permanent seat 24, pulling compaction hoop 27 locking columns guarantee in working order firm of hanging basket; On the foot of fence two heel posts of base plate 9 fixed edges, be equipped with pedal permanent seat 12, base plate turning cylinder 14 is by pedal permanent seat 12 base plates 9 that link to each other, and permanent seat 12 is provided with mutually repeatedly base plate 9, by the extension spring mechanism of long rear axle folded chassis.
The utlity model has following beneficial effect.
Mainly consist of main stressed member by head tree and the base plate that can fold, its excess-three face is made of the fence that can fold rod member.Lifting process is steadily reliable, and is safe.Three rotating fences that are comprised of linkage and the hanging basket of rotating step base plate form, three fences and step base plate all have folder function, are convenient to minimize utilize space and transportation.The ground maintenance personnel enter the lifting hanging basket, and there is the fence restriction at the four sides, and safety can be effectively protected; Promoting hanging basket is to move in guide rail, and idler wheel mechanism has limited the swing of hanging basket effectively, can guarantee the steadily reliable of lifting process; The turning cylinder place arranges extension spring mechanism, can guarantee rotary bottom plate under the state that draws in, because the effect of spring force can keep fixing, can not cause because of the deadweight that promotes hanging basket lifting hanging basket Automatic-expanding to draw in.Three fences that can freely rotate are lower in working order fixes its position by latch components, has guaranteed the firm of fence, and easy to operate.The step base plate is at the control position that launches and folding off-position, fix its position by one group of extension spring by the effect of spring tension, guarantee that the step base plate can not swing arbitrarily at the control position that launches, off-position after folding can also by being close to the fence after folding, guarantee that fence can not scatter because of Action of Gravity Field after folding.
Hand foldable is motor-driven flexibly, takes up room little: the fence and the base plate that promote hanging basket consist of one group of fold mechanism, and be simple and reliable.Can be the ground maintenance man winding to elevated platform, hanging basket is fixed its position by two groups of snap closes in working order the time, has guaranteed that the ground maintenance personnel operate steadily in being promoted to the process of elevated platform.Can fold at the off working state hanging basket, can effectively save the space of off working state.Promote the volume of hanging basket after folding little, only have 26% when launching.Folded state occupies the bulk of occupying in open mode 26% space, is that the afterbody working stand vacateed the minimum profile size of enough inner spaces and convenient transportation, and having solved hanging basket, to occupy the space large, storage and the inconvenient problem of transportation.
Description of drawings
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is that the utility model locomotive work ladder promotes the hanging basket axis side view.
Fig. 2 is the partial enlarged drawing of the utility model latch components.
Fig. 3 is that the utility model promotes the axis side view after hanging basket folds.
Among the figure: 1 rear side cross bar, 2 vertical cross bars, 3 right angle seats, 4 lock columns, 5 positive stops, 6 front and back square steel, 7 connect pad, 8 lock pins, 9 base plates, 10 springs, 11 spring mounting seats, 12 pedal permanent seats, 13 connecting panels, 14 base plate rotational pins, 15 steel rope pressing plates, 16 steel rope voussoirs, 17 Connection Blocks, 18 head trees, lock on 19,20 main right angle seats, 21 handles, 22 locks, 23 bearing pins, 24 permanent seats, 25 latch closures, 26 sliding seat, 27 compaction hoops, 28 pedal rotation seats, 29 right square steel, 30 long oblique square steel, 31 short oblique square steel, 32 left square steel, 33 rear columns, 34 connect pad.
The specific embodiment
In Fig. 1, Fig. 2, promote hanging basket and mainly be connected the connection of pedal permanent seat with rotary bottom plate by two head trees, as main stressed member, rotary bottom plate adopts checkered steel plate and the welding of square steel, to guarantee the base plate rigidity.Base plate 9 is connected with pedal permanent seat 12 by base plate rotational pin 14, to guarantee that lift system can fold gathering in off working state.At least nine group hinge axis structures are adopted in three sides that promote hanging basket, form the frame that launches to surround with base plate 9, rear column 33 rectangle, to guarantee the safety of ground maintenance personnel in being promoted to the process of elevated platform; Fence is sleeved on respectively two latch components on the rear column 33 fixedly fence and base plate 9 orthogonal positions by two groups after expansion, to guarantee in working order stable of fence.Two groups of latch components by sliding seat 26 and be connected in mutually sliding seat 26 and foot handle 21 between latch closure 25 form, during snap close, the free handle 21 that connects firmly at permanent seat 24 drives latch closures 25, pulling compaction hoop 27 is with rear column 33 and base plate 9 lockings.
Rotating base plate 9 is checkered steel plate, the rectangle frame that forms with front and back square steel 6 and right square steel 29, left square steel 32 connects firmly, and with base plate 9 lower surface diagonal lines on the oblique square steel 30 of length and short oblique square steel 31 pedal that is welded, as carrying ground maintenance personnel stressed member in the lifting process.Pedal rotation seat 28 connects firmly in the square steel inner chamber on square steel 6 the right, above-mentioned front and back, and the bottom deck assembly that forms thus is assemblied in by base plate rotational pin 14 in the pin-and-hole of pedal permanent seat 12 and realizes turning folding function.Being connected at 18 times foots of both sides head tree of the fixed edge of base plate 9 is equipped with pedal permanent seat 12, and pedal permanent seat 12 is provided with the extension spring mechanism of the base plate 9 that links to each other, and base plate turning cylinder 14 is by pedal permanent seat 12 base plates 19 that link to each other.The position that the free edge of base plate 9 limits the horizontal direction of two rear columns 33 by positive stop 5, and by handle 21, lock 22, bearing pin 23, permanent seat 24, latch closure 25, sliding seat 26, two groups of latch components that compaction hoop 27 forms are locked in respectively on the column of two rear columns 33.
Three rear side cross bars 1 are fixing by 20 riveted joints of three main right angle seats respectively, main right angle seat 20 is movably connected in the upper, middle and lower end of head tree 18, consist of the hinged-support structure, the upper end of vertical cross bar 2 is connected on the rear side cross bar 1 by connecting the pad riveted joint, on the rear side cross bar in the middle of the lower end welding is connected in, can be around the rear enclosure part of head tree 18 rotations thereby form, and consisted of left fence sections with above-mentioned same frame mode, the hinge arrangement that left fence sections and hanging basket door section consist of can rotate around rear column 33 and realize folder function.
Below two head trees 18 of right side, be connected with 13, two connecting panels 13 of two connecting panels that are parallel to each other fixing by Connection Block 17 and pedal permanent seat 12 that two ends are set in right side two head trees 18, and be parallel to each other.For guaranteeing to promote the stationarity of hanging basket motion, with bolt two connecting panels 13 and roll wheel assembly in the guide assembly that is in vertical position are connected simultaneously, guide assembly mainly is welded to form by cross bar by two channel-section steels in opposite directions, the roller of roll wheel assembly is the vertical direction motion in channel-section steel, by on the roll wheel assembly one group 4 axially for laterally and 4 of another groups axially for vertically totally eight rollers limited its all around swing in guide rail, make it can only make vertical direction and move.Steel rope one end is around in the steel rope voussoir 16, it is fixing that steel rope voussoir 16 passes through steel rope pressing plate 15 and bolt and connecting panel 13, thereby realize steel rope and promote being connected of hanging basket, the HM Hydraulic Motor that is fixed on the elevated platform place drives the steel rope motion, moves up and down in guide rail thereby drive whole lifting hanging basket.
Consult Fig. 3.Three fences that are comprised of linkage and step base plate be the rotatable lifting hanging basket of folding afterbody working stand all, hanging basket is lower in working order, the step base plate launches, three fences launch, and by the fixing fence position of snap close, form a rectangle frame, the ground maintenance personnel are sent to the elevated platform operation by this hanging basket.Hanging basket is under off working state, and after three fences and step base plate were folding, by the pulling force tension step base plate of spring, the step base plate was close to movable fence, thereby realizes that it fixes.When the lifting hanging basket is prepared to enter mode of operation, launch rear enclosure, by latch components rear enclosure and left fence and base plate are fixed, thereby promote hanging basket and form a rectangle frame that can open the door in the place ahead, after the ground service personnel enters the lifting hanging basket, by each lock pin 8 of one group up and down in the fence door lock column 4, fixing with upper lock 19, pedal permanent seat 12, thus guarantee the safety of ground maintenance personnel in promoting hanging basket.
When the lifting hanging basket enters off working state, after unclamping latch components by handle 21, hand foldable three limit fences flush with the face at A-pillar place, then in folded chassis upwards, under the effect of extension spring, the spring straining base plate, base plate is close to the fence after folding, thereby guarantee to promote firm after folding of hanging basket, can not scatter because of the self gravitation effect, the profile after folding as shown in Figure 3.
Claims (5)
1. a locomotive work ladder promotes hanging basket, comprise, the rotatable folding rectangle foldable fence that is mainly formed by three fences of linkage connection and rigid plate, it is characterized in that, the horizontal direction position that the free edge of base plate (9) limits respectively two rear columns (33) of left fence and rear enclosure by positive stop (5) in working order the time, and the sliding seat (26) by the upper suit of rear column (33) and be connected in mutually sliding seat (26) and foot handle (21) between two groups of latch components of latch closure (25) composition, drive latch closure (25) by the free handle (21) that connects firmly in permanent seat (24), pulling compaction hoop (27) locking column guarantees in working order firm of hanging basket; On the foot of fence two heel posts of base plate (9) fence fixed edge, be equipped with pedal permanent seat (12), base plate turning cylinder (14) is by the continuous base plate (9) of pedal permanent seat (12), permanent seat (12) is provided with continuous base plate (9), by the extension spring mechanism of long rear axle folded chassis.
2. locomotive work as claimed in claim 1 ladder promotes hanging basket, it is characterized in that, fence is after expansion, by two groups of latch components fixedly fence and orthogonal positions of base plate (9) that are sleeved on respectively on two rear columns (33).
3. locomotive work ladder as claimed in claim 1 promotes hanging basket, it is characterized in that, two groups of latch components by sliding seat (26) and be connected in mutually sliding seat (26) and foot handle (21) between latch closure (25) form, during snap close, the free handle (21) that connects firmly in permanent seat (24) drives latch closure (25), and pulling compaction hoop (27) is with rear column (33) and base plate (9) locking.
4. locomotive work ladder as claimed in claim 1 promotes hanging basket, it is characterized in that, rotating base plate (9) is checkered steel plate, the rectangle frame that forms with front and back square steel (6) and right square steel (29), left square steel (32) connects firmly, and with base plate (9) lower surface diagonal line on the oblique square steel of length (30) and short oblique square steel (31) pedal that is welded.
5. locomotive work ladder as claimed in claim 1 promotes hanging basket, it is characterized in that, it is characterized in that, right side rear column (33) is connected with two connecting panels (13) that are parallel to each other with the below of right side A-pillar (18), it is fixing with joint chair (17) and the pedal permanent seat (12) of right side A-pillar (18) that two connecting panels (13) are set in right side rear column (33) by two ends, and be parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344884 CN202671164U (en) | 2012-07-17 | 2012-07-17 | Maintenance working ladder lifting basket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344884 CN202671164U (en) | 2012-07-17 | 2012-07-17 | Maintenance working ladder lifting basket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202671164U true CN202671164U (en) | 2013-01-16 |
Family
ID=47492081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220344884 Expired - Fee Related CN202671164U (en) | 2012-07-17 | 2012-07-17 | Maintenance working ladder lifting basket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202671164U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014152803A1 (en) * | 2013-03-14 | 2014-09-25 | Plastic Techniques, Inc. | Bucket step insert |
| CN105584962A (en) * | 2014-11-18 | 2016-05-18 | 青岛软控机电工程有限公司 | Safe loading gate, loading platform and loading method |
| CN106044661A (en) * | 2016-08-15 | 2016-10-26 | 陈妮娜 | Safety frame for building construction |
-
2012
- 2012-07-17 CN CN 201220344884 patent/CN202671164U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014152803A1 (en) * | 2013-03-14 | 2014-09-25 | Plastic Techniques, Inc. | Bucket step insert |
| US9287024B2 (en) | 2013-03-14 | 2016-03-15 | Plastic Techiques, Inc. | Bucket step insert |
| CN105584962A (en) * | 2014-11-18 | 2016-05-18 | 青岛软控机电工程有限公司 | Safe loading gate, loading platform and loading method |
| CN106044661A (en) * | 2016-08-15 | 2016-10-26 | 陈妮娜 | Safety frame for building construction |
| CN106044661B (en) * | 2016-08-15 | 2018-05-04 | 山东港基建设集团有限公司 | A kind of construction safe frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20210717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |