A kind of hatchcover seat craneTechnical field
The utility model belongs to a kind of military aviation ground safeguard equipment, is specifically related to the hatchcover seat crane of the aircraft componentss such as a kind of canopy, seat that can the multiple military aircraft of lifting.
Background technology
Canopy, seat crane that at present military aviation ground safeguard is used mostly are the old crane of russian, and strut bar and arm are fixed type, and not collapsible, car body is higher, and base and supporting leg are welded type, also collapsible not.Its shortcoming is: car body weight, volume is large, arm is non-telescoping, folding, can not operation under differing heights environment, operating environment is required open, can not any 360 ° of rotations, give and use and transhipment brings a lot of inconvenience.
Existing approximate telpher on market, hang rise generally less than 3 meters, and hanging rise, the telpher that military aviation ground safeguard is used requires to be not less than 7 meters, telpher on while market, its safety is poor, mostly be hydraulic actuating cylinder supporting, the safety arrestment of winch does not have measures against being out of function yet, and whole function in fact and safety and structure do not meet the requirement of military aviation ground safeguard equipment telpher.
Utility model content
The purpose of this utility model is to provide a kind of hatchcover seat crane, can folding shrinking, and 360 ° of rotations, lightweight, volume is little, transition convenient transportation; Structure design is good simultaneously, and universalization is good, can hang at differing heights the object of Different Weight.
For achieving the above object, technical solution adopted in the utility model is:
This crane comprises chassis, is connected with column and luffing hydraulic top on chassis, and column and chassis link together with axle; The hinged scalable arm of column; Hinged lift heavy load-bearing pillar also on chassis, the other end and the scalable arm of luffing hydraulic top and lift heavy load-bearing pillar are hinged; The free end of scalable arm connects lower suspension hook, and scalable arm connects scalable arm actuating device.
Preferably, scalable arm comprises large arm, arm in large arm socket, and middle arm socket forearm, the hinged transverse arm of forearm, the hinged transverse arm strut in middle part of forearm, the other end of transverse arm strut and the middle part of transverse arm are hinged; Scalable arm actuating device comprises the lift winch being located on column, steel rope is extended out by lift winch, by the first leading sheave on large arm, the second leading sheave on forearm and the lift heavy pulley on transverse arm, by being arranged on, on lower suspension hook, heavily hang down stretchingly, on large arm, steel wire rope tensioning device is also housed.
Preferably, lifting volume press is provided with lifting night bolt, and luffing hydraulic top is provided with freight weight limit indicating device with large arm coupling end.
Preferably, large arm and middle arm junction are provided with middle arm semi-girder handwheel and large arm latch; Middle arm junction is provided with forearm semi-girder handwheel and middle arm latch.
Preferably, forearm upper end is provided with transverse arm hook.
Preferably, transverse arm is provided with hook, and steel rope is connected on hook, and steel rope part between hook and lift heavy pulley connects movable pulley, and movable pulley top is provided with U-shaped shackle, and the bottom of movable pulley connects heavily vertical, and the end that heavily hangs down connects lower suspension hook.
Preferably, lift heavy load-bearing pillar middle part is provided with transverse arm hanging point.
Preferably, luffing hydraulic top is provided with hydraulic operation bar, and luffing hydraulic top and column are hinged.
Preferably, chassis is provided with turnstile, walking traction wheel, a plurality of road wheel, a plurality of handling hanging point and a plurality of supporting leg, and supporting leg connects feet, and chassis is connected with axle with column, by worm-and-wheel gear transmission.
Preferably, column is provided with and launches application drawing and lower suspension hook extension.
The beneficial effect that this crane produces is:
1, by scalable arm is designed to multistage, realize folding shrinking, middle arm, forearm can shrink in large arm by rack-and-gear type of drive, and after flexible putting in place, by latch locking, and transverse arm can be realized foldingly by being movably hinged, and has reduced the volume of car load.
2, by turbine and worm transmission system, make scalable arm by column can 360 ° rotation and self-locking, increased the scope lifting.
3, by optimizing structure design, scalable arm is become to 70 ° with the angle design on ground, farthest optimize the weight of hanging liter weight and hanging rise and chassis; Increase lift heavy weight, alleviated deadweight total amount, increased lift heavy and from anharmonic ratio, be designed to 4 gears simultaneously, can at differing heights, hang the object of Different Weight, met different types of machines in the lifting demand of different work environment.
4, the lifting of scalable arm is realized by hand hydraulic pump, after rise, by load-bearing pillar stiffener, is supported, and Hydraulic Pump does not stress, and has increased security guarantee; On winch, increase a set of safety mechanism, prevented the inefficacy of winch; These have ensured the safety of crane on the whole.
5, supporting leg also can be realized foldingly by hinged mode, by scalable arm and supporting leg are designed to collapsible formula, has reduced the volume of transportation of truck-load state.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of a kind of hatchcover seat crane of the present utility model.
In Fig. 1, solid line represents that hoisting crane is deployed condition, and in Fig. 1, dotted line represents that hoisting crane is folded state.
Wherein: 1, chassis, 2, turnstile, 3, walking traction wheel, 4, lifting night bolt, 5, lift winch, 6, launch application drawing, 7, hydraulic operation bar, 8, column, 9, luffing hydraulic top, 10, the first leading sheave, 11, freight weight limit indicating device, 12, transverse arm hanging point, 13, large arm, 14, lift heavy load-bearing pillar, 15, steel wire rope tensioning device, 16, middle arm semi-girder handwheel, 17, large arm latch, 18, middle arm, 19, steel rope, 20, forearm semi-girder handwheel, 21, middle arm latch, 22, forearm, 23, transverse arm strut, 24, the second leading sheave, 25, transverse arm hook, 26, transverse arm, 27, hook, 28, lift heavy pulley, 29, U-shaped shackle, 30, movable pulley, 31, heavily vertical, 32, lower suspension hook, 33, lower suspension hook is hung, 34, handling hanging point, 35, supporting leg, 36, road wheel, 37, feet.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the utility model specific embodiment and corresponding accompanying drawing, technical solutions of the utility model are clearly and completely described.
With reference to figure 1, Figure 1 shows that the structural representation of an embodiment of a kind of hatchcover seat crane of the present utility model.In the present embodiment, hatchcover seat crane comprises chassis 1, is connected with column 8 on chassis, and column 8 links together with chassis 1 use axle, and column 8 can carry out 360 ° of rotations; The hinged scalable arm of column 8, also hinged luffing hydraulic top 9 and lift heavy load-bearing pillar 14 on column 8, the other end of luffing hydraulic top 9 and lift heavy load-bearing pillar 14 and scalable arm are hinged, scalable arm can be hinged on column 8 by pin, can make scalable arm rise to 70 ° or drop to level by luffing hydraulic top 9, lift heavy load-bearing pillar 14 plays supporting role; The free end of scalable arm connects lower suspension hook 32, and scalable arm connects scalable arm actuating device, and scalable arm actuating device drives scalable arm motion.
With reference to figure 1, in an embodiment of the present utility model, scalable arm can comprise large arm 13, arm 18 in large arm 13 sockets, middle arm 18 socket forearms 22, the hinged transverse arm 26 of forearm 22; the hinged transverse arm strut 23 in middle part of forearm 22; middle part of the other end of transverse arm strut 23 and transverse arm 26 is hinged, forms a stable triangular structure between transverse arm 26, forearm 22 and transverse arm strut 23 threes, and transverse arm 26 is all collapsible with transverse arm strut 23; Actuating device can comprise the lift winch 5 being located on column 8, steel rope 19 can be extended out by lift winch 5, by the first leading sheave 10 on large arm 13, the second leading sheave 24 on forearm 18 and the lift heavy pulley 28 on transverse arm, by be arranged on lower suspension hook 32 heavily hang down 31 stretching, on large arm 13, steel wire rope tensioning device 15 can also be housed, by this mechanism, keep the stretching state of steel rope 19.There are in use four gears, can stretch out as required different arms, and hang the height that rises and weight just along with variation.
With reference to figure 1, in an embodiment of the present utility model, lifting volume press 5 is provided with lifting night bolt 4, prevents the inefficacy of winch 5; Luffing hydraulic top 9 is provided with freight weight limit indicating device 11 with large arm 13 coupling ends, does alarm display when the weight of slinging transfinites.
With reference to figure 1, in an embodiment of the present utility model, large arm 13 and middle arm 18 junctions are provided with middle arm semi-girder handwheel 16 and large arm latch 17; Middle arm 18 is provided with forearm semi-girder handwheel and middle arm latch with forearm junction, tooth bar is equipped with in middle arm 18 sides, can in rack-and-gear mode, stretch by middle arm semi-girder handwheel 16 aligning arms 18 that rotate on large arm 13, forearm 22 is enclosed in middle arm 18, and stretch mode is identical with middle arm 18.
With reference to figure 1, in an embodiment of the present utility model, forearm 22 upper ends are provided with transverse arm hook 25, and when scalable arm is folding, transverse arm 26 can hang on transverse arm hook 25.
With reference to figure 1, in an embodiment of the present utility model, transverse arm 26 is provided with hook 27, steel rope 19 is connected on hook 27, steel rope 19 part between hook 27 and lift heavy pulley 28 connects movable pulley 30, movable pulley 30 tops are provided with U-shaped shackle 29, and the bottom of movable pulley 30 connects heavily hangs down 31, and 31 lower ends of heavily hanging down connect lower suspension hook 32.
With reference to figure 1, in an embodiment of the present utility model, lift heavy load-bearing pillar 14 middle parts are provided with transverse arm hanging point 12.
With reference to figure 1, in an embodiment of the present utility model, Hydraulic Pump can be hand hydraulic pump, hand hydraulic pump is provided with hydraulic operation bar 7, and the lifting of scalable arm is realized by hand hydraulic pump, after rise, by load-bearing pillar stiffener 14, is supported, hand hydraulic pump does not stress, and has increased security guarantee; Column 8 is articulated and connected with Hydraulic Pump, and scalable arm can be realized 360 ° of rotations and self-locking, has increased the scope of lifting.
With reference to figure 1, in an embodiment of the present utility model, chassis 1 is provided with turnstile 2, walking traction wheel 3, a plurality of road wheel 36, a plurality of handling hanging point 34 and a plurality of supporting leg 35, and supporting leg 35 connects feet 37; Shaking turnstile 2 can make column 8 carry out 360 ° of rotations by turbine and worm transmission; Draw gear can connect walking traction wheel 3 and affect crane to move; Handling hanging point 34 is for the whole device of slinging; Support when supporting leg 35 and feet 37 are worked for crane is fixed.
With reference to figure 1, in an embodiment of the present utility model, column is provided with and launches application drawing 6 and lower suspension hook extension 33; Launch application drawing 6 for instructing workman's execute-in-place, lower suspension hook is hung 33 and is hung up lower suspension hook 32 when not working, and prevents damaging of 32 couples of people of lower suspension hook, thing.
Above-mentioned embodiment is used for the utility model of explaining; rather than the utility model is limited; in the protection domain of spirit of the present utility model and claim, any modification and change that the utility model is made, all fall into protection domain of the present utility model.