CN2679035Y - Boarding vehicle for aeroplane - Google Patents
Boarding vehicle for aeroplane Download PDFInfo
- Publication number
- CN2679035Y CN2679035Y CN 200420025505 CN200420025505U CN2679035Y CN 2679035 Y CN2679035 Y CN 2679035Y CN 200420025505 CN200420025505 CN 200420025505 CN 200420025505 U CN200420025505 U CN 200420025505U CN 2679035 Y CN2679035 Y CN 2679035Y
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- China
- Prior art keywords
- ladder
- guide
- hinged
- fixed cover
- ramp
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- Expired - Lifetime
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Abstract
The utility model belongs to accessory equipment of civil aviation aeroplane, in particular to a boarding vehicle used for embarkation and disembarkation for passengers. According to the design offered by the utility model, a driving cap is equipped on the chassis of the automobile; a bottom bracket is installed on the rear part of the chassis; the middle part of the bottom bracket is hinged with a lift mechanism; a passenger lift is hinged to the upper part of the lift mechanism; the rear part of the passenger lift and the rear part of the bottom bracket are hinged; the front part of the passenger lift is a platform and the rear part is connected with a tail lift; a compression bar is equipped on the tail lift. The utility model is characterized in that in the lift mechanism, guide sleeves are arranged on both sides of a tilting cylinder; the two guide sleeves and the tilting cylinder are connected by a cross beam or/and a knee-piece; a guide post which can move up and down is arranged in the guide sleeves and a self-hold mechanism is equipped between the guide post and the guide sleeves. The utility model can raise the stability and reliability of the passenger lift and extends the service life and is also convenient to operate and maintain.
Description
Technical field
The utility model belongs to a kind of accessory equipment of aircarrier aircraft, the go on or off the plane ladder vehicle of usefulness of specifically a kind of passenger.
Background technology
Aircarrier aircraft is when on-board and off-board, a kind of elevator of movable type is used in the capital, this elevator generally is installed on the civil aviaton's special-use vehicle that is referred to as ladder vehicle, after aircraft reaches the airport, this ladder vehicle is opened the objective door place to aircraft, under the effect of cylinder piston, elevator is given rise to certain height, so that the passenger goes on or off the plane.
In the prior art, the lifting mechanism of lifting elevator includes two hoist cylinders, during work, two hoist cylinder liftings simultaneously, in case the lifting action of two hoist cylinders is asynchronous, problems such as stuck will occurs, thereby have influence on the normal operation of lifting mechanism; In addition, do not have self-locking mechanism in this lifting mechanism, rely on hoist cylinder to come bearing load fully, so safety performance is relatively poor, also be subjected to certain influence the service life of hoist cylinder.
Afterbody at elevator has one section tail ladder that can stretch, and when time spent not, just accepts, and contracts in elevator inside, so that moving of ladder vehicle when needs use elevator, just stretched out in elevator.In the prior art, this tail ladder utilizes receipts that four-bar linkage realizes the tail ladder usually and puts, and therefore, when the passenger walks about, can occur rocking, problem such as instability, also can have influence on the service life of elevating ram simultaneously.
On elevator, generally all lay carpet,, but just lay when using at every turn because this carpet is not for good and all to be laid on the elevator, with just accepting later, therefore can only be simply to lie on the elevator,, need utilize a kind of removable depression bar that it is pushed down for avoiding loosening and landing.In the prior art, the structure of this depression bar is relatively backward, usually adopt the through-hole type permanent seat at the carpet two ends, be fixed on the plane at ladder two ends, depression bar is a straight-bar, during installation, one end of depression bar is put into the depression bar seat earlier, and till extending through certain distance and can inserting the depression bar seat to the other end, at this moment with depression bar other end aligning depression bar seat hole, depression bar seat, fixedly carpet are inserted in the depression bar translation.The defective of this mode is 1, because the carpet depression bar is less with the carpet fixed range, or the carpet depression bar is tighter with the permanent seat assemblage gap, the installation inconvenience.If 2 carpet depression bars and permanent seat assemblage gap be pine, or distance is bigger between carpet and the depression bar, and vehicle is when travelling or turn, and depression bar comes off easily.3, this depression bar is cumbersome when installing with use.
Summary of the invention
The purpose of this utility model is to design a kind of aircraft ladder vehicle, to improve the stability and the reliability of elevator, prolongs the service life of elevator, and handled easily and maintenance.
According to design plan provided by the utility model, on the chassis of automobile, operator's compartment is installed, underframe is installed at rear portion on the chassis, at the hinged lifting mechanism in the middle part of underframe, the hinged elevator in the upper end of lifting mechanism, the rear portion of elevator and the rear portion of underframe are hinged, at the elevator front end is platform, the rear end connects the tail ladder, on the tail ladder depression bar is set, and it is characterized in that: in lifting mechanism, the both sides of hoist cylinder are provided with guide pin bushing respectively, between two guide pin bushings and hoist cylinder, utilize crossbeam, the guide pillar that can move up and down is arranged in guide pin bushing, between guide pillar and guide pin bushing, self-locking mechanism is set or/and diagonal brace interconnects.
The two ends up and down of two guide pin bushings and hoist cylinder are connected with bolster and vehicle frame bearing respectively, and bolster is connected with axle bed on being installed on the platform entablatrance.Some quils are set on guide pillar, the ratchet that can be stuck on the quil is being set on the guide pin bushing, the root of this ratchet utilizes bearing pin to be articulated on the guide pin bushing, connects swivel arm at bearing pin.Connect cylinder body on crossbeam, the piston rod and the swivel arm of cylinder body are hinged.On bearing pin, utilize connecting rod to connect the hammer that resets.Crossbeam is made up of lower and upper cross-member, between lower and upper cross-member and two guide pin bushings the diagonal brace that intersects is set.
The upset ladder is hinged with ramp, in the both sides of ramp slide unit is set respectively, on the upset ladder multistage ladder is set.Connect telescopic oil cylinder in ramp, the other end of this telescopic oil cylinder connects to ground.The slide unit of ramp both sides is a roller, and this roller embeds respectively in the chute that is arranged on the vehicle frame.On the upset ladder near below ramp pivotally attached one end, back cushion being set.Cylinder support is installed at middle part in ramp, and telescopic oil cylinder and cylinder support are hinged.On the tail ladder, lay stair tread.On the tail ladder, connect the carpet depression bar.On vehicle frame, connect the limit shaft that can cooperate with back cushion.
End at loop bar is connected and fixed cover, and transportable expansion link is arranged in fixed cover, between the end of expansion link and fixed cover spring is set.Be connected and fixed seat respectively in the outer end of expansion link and the end of loop bar.Offer guide groove on the wall of fixed cover, guide finger is installed on expansion link, the outer end of this guide finger is positioned at guide groove.As another kind guiding form, can on expansion link, offer guide groove, can embed guide finger in this guide groove the inwall setting of fixed cover.The inner sealing of fixed cover is placed spring between the inwall bottom of expansion link and fixed cover.
The utility model has the advantages that: because whole flat-bed lifting only finished by a hoist cylinder, therefore avoided two original hoist cylinders to move simultaneously and the stuck phenomenon that may occur, improved the reliability and security of action; Secondly, because two guide pin bushings are set in the both sides of hoist cylinder, in guide pin bushing, be provided with the guide pillar that can move up and down, and the self-locking mechanism with auto-lock function is set between guide pin bushing and guide pillar, therefore, avoided platform by lifting after, the phenomenons such as automatic downslide that may occur, stop the possibility that breaks down, further improved the safety and the reliability of elevator.
Because whole tail ladder is made up of with the terraced two parts of upset ramp, wherein ramp rises and moves forward and backward, and drives the effect of upset ladder upset, and the upset ladder then can be in not upwards upset of time spent, so that make between tail ladder and ground certain height is arranged, guarantee that ladder vehicle normally drives a vehicle.This mode is compared with original four-bar linkage, has good stability, characteristics such as reliability height, and because can be in problems such as work not occur rocking the time, so the service life of telescopic oil cylinder is long.
Because the carpet depression bar has Telescopic, so installation and removal are very convenient, has reduced the time of installation and removal, has improved effect; Secondly, because the carpet depression bar can stretch, when time spent not can be taken in the fixed cover, vehicle is when travelling or turn, and the carpet depression bar can not come off.
Description of drawings
Fig. 1 is the ladder vehicle constructional drawing.Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is the constructional drawing of lifting mechanism.Fig. 4 is the A-A view of Fig. 3.
Fig. 5 is the B-B view of Fig. 3.Fig. 6 is the C-C view of Fig. 3.
Fig. 7 is the D-D view of Fig. 3.Fig. 8 is the E-E view of Fig. 3.
Fig. 9 is the planar view of tail ladder.Figure 10 is the lateral plan of tail ladder.
Constitution diagram when Figure 11 is the contraction of tail ladder.Figure 12 is the depression bar constructional drawing.
Figure 13 is the Guiding machine composition.
The specific embodiment
As shown in Figure 1, 2: on the chassis 1 of automobile, operator's compartment is installed, underframe 5 is installed at 1 rear portion on the chassis, the hinged lifting mechanism 3 at the middle part of underframe 5, the hinged elevator 4 in the upper end of lifting mechanism 3, the rear portion of the rear portion of elevator 4 and underframe 5 is hinged, at elevator 3 front ends is platform 2, and the rear end connects tail ladder 6, and depression bar 40 is set on tail ladder 6.
Shown in Fig. 3～8: in lifting mechanism 3, the both sides of hoist cylinder 17 are provided with guide pin bushing 13 respectively, between two guide pin bushings 13 and hoist cylinder 17, utilize crossbeam or/and diagonal brace 22 interconnects, the guide pillar 21 that can move up and down is arranged in guide pin bushing 13, between guide pillar 21 and guide pin bushing 13, self-locking mechanism is set.
Both sides at hoist cylinder 7 are provided with guide pin bushing 13 respectively, utilize crossbeam or/and diagonal brace 22 interconnects between two guide pin bushings 13 and hoist cylinder 17, and the guide pillar 21 that can move up and down is arranged in guide pin bushing 13, between guide pillar 21 and guide pin bushing 13 self-locking mechanism are set.Two guide pin bushings 13 are formed the framework of a rigidity with hoist cylinder 17 and diagonal brace 22, constitute the framework of whole lifting mechanism, make lifting mechanism have enough intensity and rigidity, guide pillar 21 in the guide pin bushing 13 can be when hoist cylinder 17 moves up and down, move up and down together, when the passenger walked about, passenger and flat-bed weight mainly dropped on the guide pillar 21, can reduce the bearing capacity of hoist cylinder 17 like this, prolong the service life of hoist cylinder 17.
The two ends up and down of two guide pin bushings 13 and hoist cylinder 17 are connected with bolster 16 and vehicle frame bearing 24 respectively, and bolster 16 is connected with axle bed on being installed on platform entablatrance 23.Vehicle frame bearing 24 is installed on the ladder vehicle, when hoist cylinder 17 actions, guide pin bushing 13 and hoist cylinder 17 can be done suitable rotation around the bearing pin in the vehicle frame bearing 24, so just guide pin bushing 13, hoist cylinder 17 organically can be linked together with ladder vehicle and platform.
Some quils are set on guide pillar 21, the ratchet 18 that can be stuck on the quil is set on guide pin bushing 13, the root of this ratchet 18 utilizes bearing pin 14 to be articulated on the guide pin bushing 13, connects swivel arm 20 at bearing pin 14.Connect cylinder body 19 on crossbeam, the piston rod of cylinder body 19 and swivel arm 20 are hinged.On bearing pin 14, utilize connecting rod to connect the hammer 15 that resets.When the needs lifting, start hoist cylinder 17, make its piston rod promote to move on the platform entablatrance 23, the guide pillar 21 that drives in the guide pin bushing 13 rises together, at this moment, ratchet 18 is pressed on the guide pillar 21 under the effect of the hammer 15 that resets all the time, because the quil on the guide pillar 21 is a hangnail, therefore, do not influence the rising of guide pillar 21.When the passenger covers, when hoist cylinder 17 needs to shrink, start cylinder body 19 earlier, under the effect of its piston rod, drive swivel arm 20 and rotate an angle, make the bearing pin 14 that is connected in swivel arm 20 ends also rotate an angle, bearing pin 14 drives ratchet 18 again and rotates, make ratchet 18 just in time break away from quil on the guide pillar 21, at this moment just can start hoist cylinder 17, the piston rod of hoist cylinder 17 is descended smoothly.After decline puts in place, loosen cylinder body 19 again, make ratchet 18 under the effect of the hammer 15 that resets, push down quil again.
Crossbeam is made up of upper and lower crossbeam 11,12, between upper and lower crossbeam 11,12 and two guide pin bushings 13 diagonal brace 22 that intersects is set.This framed structure has reasonable intensity and rigidity.
Fig. 9～11 are depicted as the constructional drawing of tail ladder 6, and as shown in the figure: upset ladder 35 utilizes hinge 36 to be hinged with ramp 34, in the both sides of ramp 34 slide unit is set respectively, on upset ladder 35 multistage ladder is set.During work, ramp 34 can do level to move forward and backward, work to shrink elongation.Upset ladder 35 can move into place upwards upset of back in ramp 34, makes whole tail ladder break away from the ground certain height, so that the normal operation of ladder vehicle.On upset ladder 35, ladder is arranged, can be for about the passenger.
Connect telescopic oil cylinder 38 in ramp 34, the other end of this telescopic oil cylinder 38 connects to ground.The translation motion of ramp 34 is driven by telescopic oil cylinder 38, and the vehicle frame here can be a shelf on elevator or the ladder vehicle.
The slide unit of ramp 34 both sides can be parts such as roller 33 or slide block, and these parts should embed respectively in the chute 31 that is arranged on the vehicle frame.So that ramp 34 can slide smoothly, avoid phenomenon such as stuck.
On upset ladder 35,, on vehicle frame, connect the limit shaft 32 that can cooperate with back cushion 25 near below ramp 34 pivotallys attached, one end, back cushion 25 being set.When ramp 34 approaching putting in place, back cushion 25 can be run into limit shaft 32, and when ramp 34 continuation were mobile, under the effect of limit shaft 32 and back cushion 25, upset ladder 35 upwards turn to state shown in Figure 11 around hinge 36 rotations.
Cylinder support 39 can be installed in middle part in ramp 34, telescopic oil cylinder 38 and cylinder support 39 is hinged, so that the I﹠M of telescopic oil cylinder 38 again.
On the tail ladder, should lay stair tread 37, so that passenger's walking.When needs are laid carpet on the tail ladder, can on the tail ladder, connect carpet depression bar 40, so that carpet is pushed down, after using up, pack up depression bar 40 again, take carpet away.
Figure 12,13 is depicted as the constructional drawing of carpet depression bar 40, as shown in the figure, is connected and fixed cover 45 at an end of loop bar 47, and transportable expansion link 43 is arranged in fixed cover 45, between the end of expansion link 43 and fixed cover 45 spring 46 is set.During use, expansion link 43 is pressed in the fixed cover 45, being pressed in needs on the fixing carpet again, loosen expansion link 43 then, under the effect of spring 46, expansion link 43 is protruding, and the end of expansion link 43 and the end of loop bar 47 are withstood on the side plate of elevator both sides respectively tightly, and carpet is fixed.
Offer guide groove 48 on the wall of fixed cover 45, guide finger 44 is installed on expansion link 43, the outer end of this guide finger 44 is positioned at guide groove 48.Guide finger 44 play the guiding role on the one hand with guide groove 48, avoids phenomenons such as expansion link 43 twists when stretching out; Also play position-limiting action simultaneously, in order to avoid expansion link 43 breaks away from fixed cover 45, the Stroke Control that makes expansion link 43 is in certain scope.
As guiding and spacing another kind of version, also can on expansion link 43, offer guide groove, can embed guide finger in this guide groove the inwall setting of fixed cover 45.The effect of this structure and last kind are similar, but because guide groove is opened on the expansion link, comparatively speaking, the outer wall of fixed cover can avoid the above-mentioned guide finger that exposes to collude brokenly problems such as carpet with regard to smoother.
For making whole depression bar can obtain good location, can utilize screw 41 to be connected and fixed seat 42 respectively in the outer end of expansion link 43 and the end of loop bar 47 with fixing.
The inner sealing of fixed cover 45 is placed spring 46 between the inwall bottom of expansion link 43 and fixed cover 45, this structure helps the location of spring, need not utilize other member to come retainer spring again.
Claims (9)
1, the aircraft ladder vehicle, go up the installation operator's compartment on the chassis (1) of automobile, underframe (5) is installed at the rear portion of (1) on the chassis, at the hinged lifting mechanism in the middle part of underframe (5) (3), the hinged elevator in upper end (4) of lifting mechanism (3), the rear portion of the rear portion of elevator (4) and underframe (5) is hinged, at elevator (3) front end is platform (2), the rear end connects tail ladder (6), depression bar (40) is set on tail ladder (6), it is characterized in that: in lifting mechanism (3), the both sides of hoist cylinder (17) are provided with guide pin bushing (13) respectively, between two guide pin bushings (13) and hoist cylinder (17), utilize crossbeam, the guide pillar (21) that can move up and down is arranged in guide pin bushing (13), between guide pillar (21) and guide pin bushing (13), self-locking mechanism is set or/and diagonal brace (22) interconnects.
2, aircraft ladder vehicle according to claim 1, it is characterized in that: the two ends up and down of two guide pin bushings (13) and hoist cylinder (17) are connected with bolster (16) and vehicle frame bearing (24) respectively, bolster is connected with axle bed on being installed on platform entablatrance (23), on guide pillar (21), some quils are set, the ratchet (18) that can be stuck on the quil is set on guide pin bushing (13), the root of this ratchet (18) utilizes bearing pin (14) to be articulated on the guide pin bushing (13), connect swivel arm (20) at bearing pin (14), on crossbeam, connect cylinder body (19), the piston rod of cylinder body (19) and swivel arm (20) are hinged, utilize connecting rod to connect the hammer (15) that resets on bearing pin (24).
3, aircraft ladder vehicle according to claim 1 is characterized in that: crossbeam is made up of lower and upper cross-member (11), (12), between lower and upper cross-member (11), (12) and two guide pin bushings (13) diagonal brace (22) that intersects is set.
4, aircraft ladder vehicle according to claim 1, it is characterized in that: tail ladder (6) is hinged with ramp (34) by upset ladder (35) and forms, both sides in ramp (34) are provided with slide unit respectively, on upset ladder (35), multistage ladder is set, go up connection telescopic oil cylinder (38) in ramp (34), the other end of this telescopic oil cylinder (38) connects to ground, go up near below ramp (34) pivotally attached one end, back cushion (25) being set at upset ladder (35), on vehicle frame, connect the limit shaft (32) that can cooperate with back cushion (25), on the tail ladder, lay stair tread (37), on the tail ladder, connect carpet depression bar (40).
5, aircraft ladder vehicle according to claim 4 is characterized in that: the slide unit of ramp (34) both sides is roller (33), and this roller (33) embeds respectively in the chute (31) that is arranged on the vehicle frame.
6, according to claim 4 or 5 described aircraft ladder vehicles, it is characterized in that: cylinder support (39) is installed at the middle part in ramp (34), and telescopic oil cylinder (38) is hinged with cylinder support (39).
7, aircraft ladder vehicle according to claim 1, it is characterized in that: in carpet depression bar (40), one end of loop bar (47) is connected and fixed cover (45), transportable expansion link (43) is arranged in fixed cover (45), between the end of expansion link (43) and fixed cover (45), spring (46) is set, on the wall of fixed cover (45), offer guide groove (48), go up installation guide finger (44) at expansion link (43), the outer end of this guide finger (44) is positioned at guide groove (48), is connected and fixed seat (42) respectively in the outer end of expansion link (43) and the end of loop bar (47).
8, aircraft ladder vehicle according to claim 7 is characterized in that: offer guide groove on expansion link (43), can embed guide finger in this guide groove the inwall setting of fixed cover (45).
9, aircraft ladder vehicle according to claim 7 is characterized in that: the inner sealing of fixed cover (45), between the inwall bottom of expansion link (43) and fixed cover (45), place spring (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420025505 CN2679035Y (en) | 2004-03-16 | 2004-03-16 | Boarding vehicle for aeroplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420025505 CN2679035Y (en) | 2004-03-16 | 2004-03-16 | Boarding vehicle for aeroplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2679035Y true CN2679035Y (en) | 2005-02-16 |
Family
ID=34583523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420025505 Expired - Lifetime CN2679035Y (en) | 2004-03-16 | 2004-03-16 | Boarding vehicle for aeroplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2679035Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862602A (en) * | 2012-09-18 | 2013-01-09 | 重庆迪马工业有限责任公司 | Full hydraulic steering system of passenger step with double front axles |
| CN103600849A (en) * | 2013-11-26 | 2014-02-26 | 北京康木富特科技有限公司 | Automatic dislocated-locking preventing control method for aircraft passenger stairs slide pawl |
| CN103738738A (en) * | 2013-12-27 | 2014-04-23 | 珠海三一港口机械有限公司 | Bucket wheel material stacking and taking machine |
| CN104986044A (en) * | 2015-06-16 | 2015-10-21 | 中国民航大学 | Solar power passenger lift car |
| CN114313295A (en) * | 2021-12-23 | 2022-04-12 | 北京中卓时代消防装备科技有限公司 | Aircraft rescue fire engine |
-
2004
- 2004-03-16 CN CN 200420025505 patent/CN2679035Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862602A (en) * | 2012-09-18 | 2013-01-09 | 重庆迪马工业有限责任公司 | Full hydraulic steering system of passenger step with double front axles |
| CN102862602B (en) * | 2012-09-18 | 2014-08-27 | 重庆迪马工业有限责任公司 | Full hydraulic steering system of passenger step with double front axles |
| CN103600849A (en) * | 2013-11-26 | 2014-02-26 | 北京康木富特科技有限公司 | Automatic dislocated-locking preventing control method for aircraft passenger stairs slide pawl |
| CN103738738A (en) * | 2013-12-27 | 2014-04-23 | 珠海三一港口机械有限公司 | Bucket wheel material stacking and taking machine |
| CN103738738B (en) * | 2013-12-27 | 2016-01-20 | 三一海洋重工有限公司 | Bucket-wheel stacker reclaimer |
| CN104986044A (en) * | 2015-06-16 | 2015-10-21 | 中国民航大学 | Solar power passenger lift car |
| CN114313295A (en) * | 2021-12-23 | 2022-04-12 | 北京中卓时代消防装备科技有限公司 | Aircraft rescue fire engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140316 Granted publication date: 20050216 |