CN102528419B - Disassembling vehicle for front landing gear of airplane - Google Patents
Disassembling vehicle for front landing gear of airplane Download PDFInfo
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- CN102528419B CN102528419B CN201210007388.9A CN201210007388A CN102528419B CN 102528419 B CN102528419 B CN 102528419B CN 201210007388 A CN201210007388 A CN 201210007388A CN 102528419 B CN102528419 B CN 102528419B
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- landing gear
- rectangle
- aircraft nose
- bar
- nose landing
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Abstract
The invention discloses a disassembling vehicle for a front landing gear of an airplane and a control method of the disassembling vehicle. The disassembling vehicle is characterized by mainly comprising a lifting mechanism, an adjusting alignment mechanism and a working platform (9), wherein the adjusting alignment mechanism is arranged on the lifting mechanism, and the working platform (9) is disposed on the adjusting alignment mechanism. The disassembling vehicle and the control method aim to overcome shortcomings that in the prior art, disassembly operation of a front landing gear of an airplane is time-wasting and labor-wasting, and causes potential safety hazards. The disassembling vehicle is simple in structure and convenient in use, work intensity of operators during disassembly operation of the front landing gear of the airplane is greatly reduced, and accordingly the disassembling vehicle and the control method are worthy of being popularized and applied.
Description
Technical field
The present invention relates to a kind of attaching/detaching apparatus of undercarriage, specifically, relate to a kind of aircraft nose landing gear dismounting vehicle.
Background technology
At present, due to airplane design reason, ' cabin deposited by undercarriage ' narrow space of aircraft, when the dismounting of frock and assembly fee, effort.When demolition, installation undercarriage, operating personnel need after connecting pin taking-up, by undercarriage 90-degree rotation, move down, could take out undercarriage, operation is not only inconvenient like this, the labour intensity of operating personnel is larger, and operating efficiency is also lower, and there is potential safety hazard.
Summary of the invention
The object of the invention is to overcome above-mentioned defect, one not only use safety, convenience is provided, and cheap aircraft nose landing gear dismounting vehicle and control method thereof.
To achieve these goals, the technical solution used in the present invention is as follows:
Aircraft nose landing gear dismounting vehicle, mainly comprises elevating mechanism, is arranged on the adjustment positioning mechanism on elevating mechanism and is arranged on the workbench in adjustment positioning mechanism.
Further, described elevating mechanism comprises the rectangular chassis, the two ends that two relative sides are provided with sliding recess and is arranged at sliding bar in two sliding recess and two groups of height regulating frames becoming cross-like to be flexibly connected with interior scissors rod by outer scissors rod respectively; In these two groups of height regulating frames, the lower end of two outer scissors rods is arranged at the two ends of described sliding bar respectively, the lower end of two interior scissors rods is arranged at side two ends relative with this sliding bar in rectangular chassis respectively, and two outer scissors rods are then connected with described adjustment positioning mechanism respectively with the upper end of two interior scissors rods; Between these two interior scissors rods, be also provided with connecting rod, between this connecting rod and sliding bar, be also provided with oil cylinder, described rectangular chassis is then provided with the hydraulic means be connected with this oil cylinder.
Further, described adjustment positioning mechanism comprise be connected with the upper end of two outer scissors rods and two interior scissors rods in frame, the rectangle two relative sides be fixedly connected with middle frame by connecting plate being provided with sliding recess is added, article two, relative side is separately positioned in two added sliding recess of this rectangle, and two other relative side is also provided with the rectangle crossbearer of sliding recess, to be arranged in this rectangle crossbearer and the rectangular longitudinal frame coordinated with its sliding recess, and the outer ring to be fastenedly connected with this rectangular longitudinal frame and being arranged in this outer ring and the inner ring matched with it, this inner ring appearance wall is provided with a circle groove, steel ball is provided with in groove, this steel ball contacts with outer ring, described workbench is arranged on this inner ring.
Meanwhile, described workbench comprises work top, is arranged on the circular anchor ear on this work top, is symmetricly set in the axle block of these circular anchor ear both sides, and is arranged on the support bar of this work top end.
Four angles below described rectangular chassis are respectively arranged with roller, and are also provided with pull bar and fixture on the side of this rectangular chassis.
Further, described outer scissors rod one end is welded on sliding bar, and the other end is articulated with on middle frame, described interior scissors rod then one end by scissor support pin with rectangular chassis hinged, the other end and middle frame hinged.
In order to realize the present invention, described rectangle crossbearer, rectangular longitudinal frame and rectangle is added is located in the same horizontal plane, and have adjusting handle in the arranged outside that this rectangle is added, this adjusting handle is provided with run through that this rectangle is added, the adjustment screw mandrel of rectangle crossbearer and rectangular longitudinal frame.
Described oil cylinder one end is hinged by oil cylinder supporting pin and sliding bar, the other end then pass through oil cylinder hinge pin and connecting rod hinged.
In order to better realize the present invention, described fixture comprising domain screw mandrel, be arranged on this parcel bar lower end that lands domain, by screw and the disk cover plate and be arranged on the lift adjustment handwheel of this parcel bar upper end that lands of landing being somebody's turn to do that domain is fastenedly connected.
The control method of aircraft nose landing gear dismounting vehicle, comprises the following steps:
(1) job site is moved to by pull bar towing aircraft nose-gear dismounting vehicle;
(2) rotation and lifting adjusting handle, falls domain, makes it and ground rigid contact;
(3) control elevating mechanism, realize the rising of workbench;
(4) rotate adjusting handle, after making aircraft nose landing gear and aircraft nose landing gear dismounting vehicle complete contraposition, be fixed in axle block by the transverse axis two ends of aircraft nose landing gear, meanwhile, support bar is connected with the pin-and-hole on aircraft nose landing gear;
(5) rotary work table top, makes aircraft nose landing gear and aircraft nose landing gear deposit after cabin completes contraposition, is locked by work top;
(6) aircraft nose landing gear is dismantled;
(7) control elevating mechanism, realize the decline of workbench;
(8) rotation and lifting adjusting handle, makes domain liftoff, then moves to assigned address by pull bar towing aircraft nose-gear dismounting vehicle and park;
(9) rotation and lifting adjusting handle, falls domain, makes it and ground rigid contact.
Compared with prior art, the present invention has following beneficial effect:
(1) not only structure is simple, easy to use in the present invention, and with low cost;
(2) elevating mechanism in the present invention comprises the rectangular chassis, the two ends that two relative sides are provided with sliding recess and is arranged at sliding bar in two sliding recess and two groups of height regulating frames becoming cross-like to be flexibly connected with interior scissors rod by outer scissors rod respectively; In these two groups of height regulating frames, the lower end of two outer scissors rods is arranged at the two ends of described sliding bar respectively, the lower end of two interior scissors rods is arranged at side two ends relative with this sliding bar in rectangular chassis respectively, and two outer scissors rods are then connected with described adjustment positioning mechanism respectively with the upper end of two interior scissors rods; Also connecting rod is provided with between these two interior scissors rods, also oil cylinder is provided with between this connecting rod and sliding bar, described rectangular chassis is then provided with the hydraulic means be connected with this oil cylinder, operating personnel only need with by hydraulic control system, the lifting of interior scissors rod and outer scissors rod upper end can be controlled, and then frame and the added rising of rectangle and decline in realizing, thus substantially reduce the working strength that operating personnel regulate whole dismounting vehicle, make more to save time to the dismounting of undercarriage, laborsaving;
(3) the present invention is provided with rectangle crossbearer on rectangle is added, and in this rectangle crossbearer, be provided with the rectangular longitudinal frame coordinated with its sliding recess; Rectangle crossbearer, rectangular longitudinal frame and rectangle is added is located in the same horizontal plane, and regulate its horizontal level by adjusting handle, thus realize the Level tune of workbench like a cork, greatly facilitate the alignment operation of dismounting vehicle and undercarriage;
(4) the present invention is welded with outer ring on rectangular longitudinal frame, the inner ring matched with it is provided with in outer ring, inner ring is provided with work top, steel ball is provided with between outer ring and inner ring, the rotary motion of Internal and external cycle can be realized, rotatable 360 degree of whole work top, simultaneously, locking and location can be realized at an arbitrary position, effectively prevent undercarriage centre-of gravity shift;
(5) the present invention is also provided with the roller for being convenient to dismounting vehicle movement in rectangular chassis, and for the fixture of fixing dismounting vehicle, during mobile dismounting vehicle, only need to pull pull bar can realize the movement of dismounting vehicle, in disassembly process, dismounting vehicle is fixed on ground by fixture, effectively prevent dismounting vehicle and occurs position in the course of the work, ensure that carrying out smoothly of undercarriage disassemble and assemble work;
(6) the present invention is provided with support bar and axle block on work top, and support bar is connected with the pin-and-hole on undercarriage, and the transverse axis of axle block on the undercarriage that is locked, effectively prevent undercarriage and topple over.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the side view of the present invention under non-lifting state.
Fig. 3 is the side view under lifting state of the present invention.
Fig. 4 is top view of the present invention.
Fig. 5 is the top view of middle frame rectangular structure of the present invention.
Fig. 6 is the enlarged diagram of hydraulic means of the present invention.
Fig. 7 is the schematic diagram of fixture of the present invention.
Wherein, the parts name that in figure, Reference numeral is corresponding is called:
1-rectangular chassis, 2-pull bar, 3-middle frame, 4-hydraulic means, 5-rectangle is added, 6-roller, 7-sliding bar, 8-rectangle crossbearer, 9-workbench, 10-support bar, 11-axle block, 12-inner ring, 13-outer ring, 14-rectangular longitudinal frame, 15-regulate screw mandrel, 16-work top, 17-regulate screw mandrel pressing plate, 18-connecting plate, 19-land disk cover plate, 20-land parcel bar, 21-domain, 22-fork core pin, 23-fork core pin packing ring, 24-interior scissors rod, 25-outer scissors rod, 26-oil cylinder supporting pin, 27-oil cylinder, 28-oil cylinder hinge pin, 29-scissor support pin, 30-adjusting handle, 31-connecting rod, 32-fixture, 33-oil return valve, 34-hand pump, 35-lift adjustment handwheel.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in Fig. 1 ~ 7, aircraft nose landing gear dismounting vehicle, mainly comprises elevating mechanism, is arranged on the adjustment positioning mechanism on elevating mechanism and is arranged on the workbench 9 in adjustment positioning mechanism.
Described elevating mechanism comprises the rectangular chassis 1 that both sides have sliding recess, two ends are arranged on the sliding bar 7 in rectangular chassis 1 sliding recess, and two groups of height regulating frames be flexibly connected by fork core pin 22 one-tenth cross-like with interior scissors rod 24 by outer scissors rod 25, be also provided with between fork core pin 22 and interior scissors rod 24 and pitch core pin packing ring 23; In these two groups of height regulating frames, the lower end of two outer scissors rods 25 is arranged at the two ends of described sliding bar 7 respectively, the lower end of two interior scissors rods 24 is arranged at side two ends relative with this sliding bar 7 in rectangular chassis 1 respectively, and two outer scissors rods 25 are then connected with described adjustment positioning mechanism respectively with the upper end of two interior scissors rods 24; In order to be elevated in realization, connecting rod 31 is also provided with between these two interior scissors rods 24, two oil cylinders 27 are arranged with between connecting rod 31 and sliding bar 7, oil cylinder 27 one end is connected with sliding bar 7 by oil cylinder supporting pin 26, the other end is hinged by oil cylinder hinge pin 28 and connecting rod 31, oil cylinder 27 is linked together by tube connector and the hydraulic system 4 be arranged in rectangular chassis 1, and hydraulic system 4 is provided with oil return valve 33 and hand pump 34.During pressurization, locking oil return valve 33, operating personnel press hand pump 34, and oil cylinder 27 stretches out, and along stretching out direction supporting linkage 31, thus realize the rising of Working gantry; During release, loosen handle, open oil return valve 33, oil overflows along oil return valve 33 times square holes, realizes off-load, and Working gantry declines.
In order to ensure to be elevated effect, outer scissors rod 25 one end is welded on sliding bar 7, and the other end and middle frame 3 are hinged, interior scissors rod 24 one end then by scissor support pin 29 and rectangular chassis 1 hinged, the other end and middle frame 3 hinged.
Frame 3 during the upper end that described adjustment positioning mechanism comprises scissors rod 25 outer with two and two interior scissors rods 24 is connected, two relative sides be fixedly connected with middle frame 3 by connecting plate 18 are provided with the rectangle added 5 of sliding recess, article two, relative side is separately positioned in two sliding recess of this rectangle added 5, and two other relative side is also provided with the rectangle crossbearer 8 of sliding recess, to be arranged in this rectangle crossbearer 8 and the rectangular longitudinal frame 14 coordinated with its sliding recess, rectangle crossbearer 8, rectangular longitudinal frame 14 and rectangle added 5 are positioned at same level, and have adjusting handle 30 in the arranged outside of this rectangle added 5, this adjusting handle 30 is provided with and runs through this rectangle added 5, the adjustment screw mandrel 15 of rectangle crossbearer 8 and rectangular longitudinal frame 14, this adjustment screw mandrel 15 and rectangle crossbearer 8, the junction of rectangular longitudinal frame 14 is provided with and regulates screw mandrel pressing plate 17, this rectangular longitudinal frame 14 is also welded with outer ring 13 and is arranged on the inner ring 12 also matched with it in this outer ring 13, one circle steel ball is housed between outer ring 13 and inner ring 12, outer ring 13 is moved with rectangular longitudinal frame 14, and inner ring 12 rotates relative to outer ring 13, inner ring 12 is provided with work top 16, the transverse direction of rectangle crossbearer 8 and rectangular longitudinal frame 14 is realized by rotating adjusting handle 30, vertically move, realized the revolution object of work top 16 by the rotary motion between inner ring 12 and outer ring 13, thus when dismounting undercarriage, complete the revolution contraposition of undercarriage and undercarriage storage compartment.The angle of revolution of whole work top 16 is 360 °, and is provided with set lever in rotation place, makes work top 16 can realize the contraposition of lock gripping position at an arbitrary position, effectively prevents undercarriage centre-of gravity shift.
Described workbench 9 is arranged on inner ring 12, comprise work top 16, be arranged on the circular anchor ear on this work top 16, be symmetricly set in the axle block 11 of these circular anchor ear both sides, and be arranged on the support bar 10 of this work top 16 end, axle block 11 fixes the transverse axis of aircraft nose landing gear, and support bar 10 is connected with the pin-and-hole on aircraft nose landing gear, prevents aircraft nose landing gear from toppling over.
The conveniently movement of aircraft nose landing gear dismounting vehicle, four angles below described rectangular chassis 1 are respectively arranged with roller 6, and also pull bar 2 is provided with on the side of this rectangular chassis 1, during mobile dismounting vehicle, manpower or automobile pull dismounting vehicle by pull bar 2, when dismounting vehicle carries out work, in order to prevent the displacement of dismounting vehicle, rectangular chassis 1 is also provided with fixture 32, described fixture 32 is primarily of the parcel bar 20 that lands, be arranged on this parcel bar 20 lower end that lands domain 21 and by screw be somebody's turn to do the disk cover plate 19 that lands that domain 21 is fastenedly connected and form, lift adjustment handwheel 35 is provided with in this parcel bar 20 upper end that lands, during fixing dismounting vehicle, rotation and lifting adjusting handle 35, domain 21 is declined, domain 21 stressed with earth surface, it is made firmly to support ground, prevent dismounting vehicle from moving, during mobile dismounting vehicle, rotate adjusting handle 35, make domain 21 increase, liftoff 30 ~ 50mm, then to be moved by manpower or vehicle traction.
It should be noted that axle block 11 and the support bar 10 of installation on work top 16 of the present invention are determined according to the undercarriage of different model, make the present invention in use, applying flexible is changeable, realizes convenient.
In order to better realize the present invention, the control method of aircraft nose landing gear dismounting vehicle, comprises the following steps:
One, move to job site by pull bar towing aircraft nose-gear dismounting vehicle;
Two, rotation and lifting adjusting handle, falls domain, makes it and ground rigid contact;
Three, control elevating mechanism, realize the rising of workbench;
Four, rotate adjusting handle, after making aircraft nose landing gear and aircraft nose landing gear dismounting vehicle complete contraposition, be fixed in axle block by the transverse axis two ends of aircraft nose landing gear, meanwhile, support bar is connected with the pin-and-hole on aircraft nose landing gear;
Five, rotary work table top, makes aircraft nose landing gear and aircraft nose landing gear deposit after cabin completes contraposition, is locked by work top;
Six, dismounting aircraft nose landing gear;
Seven, control elevating mechanism, realize the decline of workbench;
Eight, rotation and lifting adjusting handle, makes domain liftoff, then moves to assigned address by pull bar towing aircraft nose-gear dismounting vehicle and park;
Nine, rotation and lifting adjusting handle, falls domain, makes it and ground rigid contact.
According to above-mentioned, well the present invention can be realized.
Claims (6)
1. aircraft nose landing gear dismounting vehicle, mainly comprises elevating mechanism, is arranged on the adjustment positioning mechanism on elevating mechanism and is arranged on the workbench (9) in this adjustment positioning mechanism, it is characterized in that: described elevating mechanism comprises the rectangular chassis (1), the two ends that two relative sides are provided with sliding recess and is arranged at sliding bar (7) in two sliding recess and two groups of height regulating frames becoming cross-like to be flexibly connected with interior scissors rod (24) by outer scissors rod (25) respectively, in these two groups of height regulating frames, the lower end of two outer scissors rods (25) is arranged at the two ends of described sliding bar (7) respectively, the lower end of two interior scissors rods (24) is arranged at the upper side two ends relative with this sliding bar (7) of rectangular chassis (1) respectively, and two outer scissors rods (25) are then connected with described adjustment positioning mechanism respectively with the upper end of two interior scissors rods (24), connecting rod (31) is also provided with between these two interior scissors rods (24), between this connecting rod (31) and sliding bar (7), be also provided with oil cylinder (27), described rectangular chassis (1) is then provided with the hydraulic means (4) be connected with this oil cylinder (27), described adjustment positioning mechanism comprises the middle frame (3) be connected with the upper end of two outer scissors rods (25) and two interior scissors rods (24), two relative sides be fixedly connected with middle frame (3) by connecting plate (18) are provided with the rectangle added (5) of sliding recess, article two, relative side is separately positioned in two sliding recess of this rectangle added (5), and two other relative side is also provided with the rectangle crossbearer (8) of sliding recess, to be arranged in this rectangle crossbearer (8) and the rectangular longitudinal frame (14) coordinated with its sliding recess, and the outer ring (13) to be fastenedly connected with this rectangular longitudinal frame (14) and being arranged in this outer ring (13) and the inner ring (12) matched with it, this inner ring (12) appearance wall is provided with a circle groove, steel ball is provided with in groove, this steel ball contacts with outer ring, described workbench (9) is arranged on this inner ring (12), described rectangle crossbearer (8), rectangular longitudinal frame (14) and rectangle added (5) are located in the same horizontal plane, and have adjusting handle (30) in the arranged outside of this rectangle added (5), this adjusting handle (30) is provided with the adjustment screw mandrel (15) running through this rectangle added (5), rectangle crossbearer (8) and rectangular longitudinal frame (14).
2. aircraft nose landing gear dismounting vehicle according to claim 1, it is characterized in that: described workbench (9) comprises work top (16), be arranged on the circular anchor ear on this work top (16), be symmetricly set in the axle block (11) of these circular anchor ear both sides, and be arranged on the support bar (10) of this work top (16) end.
3. aircraft nose landing gear dismounting vehicle according to claim 2, it is characterized in that: four angles of described rectangular chassis (1) below are respectively arranged with roller (6), and on the side of this rectangular chassis (1), are also provided with pull bar (2) and fixture (32).
4. aircraft nose landing gear dismounting vehicle according to claim 3, it is characterized in that: described outer scissors rod (25) one end is welded on sliding bar (7), the other end is articulated with on middle frame (3), described interior scissors rod (24) then one end is hinged by scissor support pin (29) and rectangular chassis (1), the other end and middle frame (3) hinged.
5. aircraft nose landing gear dismounting vehicle according to claim 4, is characterized in that: described oil cylinder (27) one end is hinged by oil cylinder supporting pin (26) and sliding bar (7), and the other end is then hinged by oil cylinder hinge pin (28) and connecting rod (31).
6. aircraft nose landing gear dismounting vehicle according to claim 5, it is characterized in that: described fixture is comprising domain screw mandrel (20), be arranged on this parcel bar (20) lower end that lands domain (21), by screw and the disk cover plate (19) and be arranged on the lift adjustment handwheel (35) of this parcel bar (20) upper end that lands of landing being somebody's turn to do that domain (21) is fastenedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210007388.9A CN102528419B (en) | 2012-01-12 | 2012-01-12 | Disassembling vehicle for front landing gear of airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210007388.9A CN102528419B (en) | 2012-01-12 | 2012-01-12 | Disassembling vehicle for front landing gear of airplane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102528419A CN102528419A (en) | 2012-07-04 |
| CN102528419B true CN102528419B (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210007388.9A Active CN102528419B (en) | 2012-01-12 | 2012-01-12 | Disassembling vehicle for front landing gear of airplane |
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| CN (1) | CN102528419B (en) |
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| CN105345420B (en) * | 2015-11-11 | 2017-08-08 | 北京特种机械研究所 | A kind of undercarriage attaching/detaching apparatus |
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| 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 |
| CN110406694B (en) * | 2019-06-26 | 2023-05-05 | 芜湖航翼集成设备有限公司 | Dismounting device for outer wing of airplane |
| CN110450086A (en) * | 2019-08-19 | 2019-11-15 | 成都东科信航空自控设备有限公司 | A kind of aircraft engine front ring dismounting vehicle |
| CN112935338B (en) * | 2021-01-29 | 2022-04-05 | 山东源运通矿山装备科技有限公司 | Frame support pneumatic hand-held drilling machine |
| CN115106976A (en) * | 2022-05-05 | 2022-09-27 | 深圳市世宗自动化设备有限公司 | Automatic dismounting equipment for pressure maintaining cover plate |
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| CN102528419A (en) | 2012-07-04 |
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